2012 GMC Sierra 2500 HD Fuel and Emissions Systems

Name: New Mass Air Flow Sensor - Sensor Only
Brand: Carquest Premium
SKU: MQ6223
Price: 94.99 USD

Below you will find various in-demand GMC Fuel and Emissions Systems, components and accessories for your 2012 Sierra 2500 HD. Advance Auto Parts has popular Sierra 2500 HD parts like Oxygen Sensors, Fuel Pumps, Fuel Injectors and more. You’ll also find aftermarket and OEM Fuel and Emissions Systems for other Sierra 2500 HD model years including 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 and more. Select a category of 2012 GMC Sierra 2500 HD Fuel and Emissions Systems below and start saving instantly.

Please Select your Vehicle to See Exact Fit Parts

Popular 2012 GMC Sierra 2500 HD Fuel and Emissions Systems Categories

Fuel Tank Cleaning Kits

Fuel Pressure Sensors

Air Flow Meters and Mass Air

Gas Caps

Ambient Air Temperature Sensor Bolts

Fuel Pumps

Diesel Exhaust Fluid (DEF) Heaters

Oxygen Sensors

Vapor Canister Purge Valves

Vapor Canister Vent Solenoids

Fuel Lift Pumps

Fuel Injection Pumps

Fuel Injection Pressure Sensors

MAP-Barometric Pressures

Vapor Canister Vent Valves

Manifold Air Pressure Sensors

Canister Purge Solenoids

Fuel Injection Fuel Rail Pressure Sensors

Fuel Tank Pressure Sensors

Fuel Pressure Relief Valve Caps

Water In Fuel Sensors

Fuel Injection Throttle Control Actuator Modules

Pressure Regulators

Diesel Emissions Fluid Pumps

Ambient Air Temperature Sensors

Diesel Emissions Fluid Temperature Sensors

Fuel Injector O-Ring Kits

Fuel Injector Seal Kits

Fuel Tank Straps

Fuel Injector Gaskets

Fuel Injection Pump Pressure Relief Valves

Fuel Tank Lock Rings

Fuel Tank Filler Necks

Secondary Air Injection Relays

Hydrocarbon Injectors

Fuel Level Sensors

Diesel Fuel Filter Bleeder Screws

Mass Air Flow Sensor Connectors

Fuel Line Connectors

Fuel Injection Fuel Rails

Diesel Fuel Injector Lines

Fuel Pump Tank Seals

Exhaust Gas Differential Pressure Sensor Pipe

Diesel Emissions Filler Caps

Oxygen Sensor Connectors

Fuel Feed Lines

EGR Valve Gaskets

Diesel Exhaust Fluid (DEF) Modules

Vapor Canister Purge Valve Pipes

EGR Valve Temperature Sensors

Fuel Tank Harness Connector

EGR Cooler Bypass Gaskets

Fuel Rail Pressure Relief Valves

Exhaust Gas Recirculation (EGR) Pipe Gaskets

EGR Vacuum Regulator Solenoid Connectors

Fuel Injection System

Fuel Cap Tester Adapters

Vacuum Pump Relay

Fuel Sender Connectors

Fuel Injector Vacuum Switches

Fuel Injector and Insulator Retainer Kits

Essential Fuel and Emissions Systems for 2012 GMC Sierra 2500 HDs

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$94.99

Carquest Premium mass air flow (MAF) sensors are built to meet the original equipment (OE) specifications for each application. Our MAF sensors are built by a manufacturer that meets IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium mass air flow sensors are 100% new and undergo extensive validation testing to ensure long-lasting performance and reliability.

Product Features:

Designed to meet OE specifications for fit, form and function
100% new unit with no core charge
Advanced micro-controlled technology delivers more accurate output in extreme temperatures
Extensive validation testing to ensure precision output for better performance and reliability
O-rings or gaskets included where applicable

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$44.99

Maximize your vehicle’s efficiency and emissions control with Carquest Vapor Canister Purge Solenoids. Engineered for precision, these solenoids seamlessly regulate the flow of fuel vapors from the Vapor Canister to the engine for cleaner combustion, reducing harmful emissions. Built to meet and/or exceed OEM standards, Carquest Purge Solenoids offer reliable functionality, long-lasting durability, and easy installation.

Product Features:

Enhances overall engine performance by providing proper vapor flow to maintain correct air-fuel mixture.
Helps reduce harmful emissions and ensures compliance with environmental regulations by controlling the release of fuel vapors into the engine
Ensures precise operation with electromagnetic principles to control the flow of fuel vapors from the carbon canister to the engine
Manufactured from high quality engineered materials, resistant to fuel vapors and extreme temperatures, ensuring long lasting performance
Meets or exceeds all OEM specifications

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$25.99

ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:

Protective outer coverings help provide long-lasting durability
Color-coded wires allow for easy installation
GM-recommended replacement part for your GM vehicle’s original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function

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$22.29

Product Features:

Independently tested for emission control
Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

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$59.99

ACDelco GM Original Equipment Vapor Canister Purge Valves are GM recommended replacements for your vehicle’s original components. The purge valve controls the flow of fuel vapor from the vapor canister to the intake manifold. These original equipment vapor canister purge valves have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:

Controls vapor flow from canister to engine.
GM-recommended replacement part for your GM vehicle’s original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function

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$3.79

Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Validated for fit, form and function
Unsurpassed quality you can trust

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$1.49

These nuts are manufactured using durable materials and corrosion tested to ensure required strength and Longevity.

Product Features:

Durable materials – manufactured to specific thread tolerance standards
Corrosion tested – hardware undergoes salt spray testing to ensure corrosion resistance
Multipurpose usefulness – can be used in a variety of applications, from auto to home
Trustworthy quality – backed by team of professional engineers and quality control specialists in the United States

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$10.99

The temperature of various systems must be reported to the engine control module (ECM) as well as other operating system controllers in the vehicle. Coolant temperature, cabin temperature, exhaust temperature and ambient temperature are just a few systems reported by a temperature sensor. The temperature sensor is fed 5 volts by the systems computer, within the sensor housing will be a thermistor, or dropping resistor whose resistance value will change as the temperature surrounding it changes. Changing resistance in the circuit will change the volt signal at the processor indicating the current operating value.

Product Features:

Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
Lead frame terminal size and location determined using image dimension measuring system or 3D laser scanner.
Application matched components ensures system operation in like new condition.

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$22.99

This fuel injection return line gasket kit is designed to match the original components required to repair the fuel line and restore proper pressure on specified vehicles. It’s made of quality components for reliable performance.

Product Features:

Direct replacement – this fuel injection return line gasket kit is designed to match the original components required to repair the fuel line and restore proper pressure on specified vehicles
Ideal solution – this kit is a reliable replacement for original components that are leaking or have failed
Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$12.99

This fuel line clip is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:

Direct replacement – this fuel line clip matches the fit and function of the factory part on specified years, makes and models
Ideal solution – this clip is a reliable replacement for an original part that is missing or has failed due to fatigue
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$44.99

This fuel pump tank seal is designed to match the fit and function of the original seal on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

Direct replacement – this fuel pump tank seal is designed to match the fit and function of the original seal on specified vehicles
Restores functionality – reliable replacement for an original part that has failed due to fatigue or due for replacement during fuel pump tank service
Durable construction – recommended for replacement when the fuel pump or sensor is replaced
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$189.99

New Platinum Pro Fuel Module, With Module Code Tcu Without Evap Emissions With 1Plug, Without Robust Fuel System Sender Wiring Harness Includes

Product Features:

Module Code TCU, Without Evap Emissions, With 1 Plug, Without Robust Fuel System Sender, Wiring Harness Included
Meets All Federal Motor Safety Standards
No Drilling Needed For Installation
No Modifications Needed For Installation
Direct Fit Replacement For Your Vehicle
Same Form Fit And Function As OE
Check Out The Large Selection Of Parts Available For Your Vehicle

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$195.99

Carquest Premium exhaust gas recirculation (EGR) valves are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Our Carquest Premium EGR valves are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium EGR valves undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium EGR valves are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:

Designed to meet or exceed OE specifications for fit, form and function
Precision engineering and robust design to withstand harsh under hood environment
Gaskets or seals are included if required for installation
Extensive design validation testing and 100% end-of-line tested
Where applicable stainless-steel sleeves used over cold rolled sleeves providing smooth EGR pintle operation under all operating conditions.
Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413

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$54.99

This replacement water-in-fuel (WiF) sensor matches the function and performance of the original equipment sensor to prevent water damaging a diesel fuel injector. Made of quality materials, it has undergone extensive testing to ensure durability.

Product Features:

Ideal replacement – this water-in-fuel (WiF) sensor matches the original equipment sensor’s function and performance
Durable construction – this sensor is made of durable materials to withstand exposure to diesel fuel
Cost-effective solution – offers original equipment quality at competitive price
Quality tested – this part has undergone vehicle try-on and bench testing to ensure a quality fit and long service life

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$138.99

Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium fuel tank filler necks meet or exceed the performance of the original equipment they replace.

Product Features:

Unit is designed to OE fit, form and function requirements accomplished by leveraging our OE fuel system design expertise
Unit is dual coated for enhanced corrosion protection
Fit tested on the very same vehicle application for which it was developed verifying first-hand that the design fits properly and can be easily installed
Unit is leak tested after production to ensure product in free from fuel and / or evaporative leaks
Tested with OE fuel cap to prevent evaporative emission and check engine light failure

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$45.49

Protective outer coverings help provide long-lasting durability
Color-coded wires allow for easy installation
GM-recommended replacement part for your GM vehicle’s original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function

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$129.99

GM Genuine Parts Differential Pressure Sensor Pipes are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

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$135.99

Bosch is the leading OE supplier of diesel fuel systems for diesel passenger cars, SUVs, van and pickup trucks.
End of line testing using the exact OE test specifications.
Guaranteed to provide OE performance and meet all emission specifications.
Continuous improvement, remanufactured with the latest upgrades to components and specifications.

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$6.99

GM Genuine Parts EGR Cooler Bypass Gaskets are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

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$394.99

Pressure sensors are used within several operating systems on the vehicle. Subjects in this category measure the pressure of both liquid and air to include air in a positive pressure and negative pressure range. Pressure sensors report out as the result of an electrical device called a strain gauge which produces an analog or digital signal output dependent on the needs of the circuit. Pressures may be very low such as barometric pressure, or extremely high such as in a high-pressure fuel injection system.

Product Features:

Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
Robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure accurate signal output providing product reliability, every time.

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$314.99

Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. Silver Bullet throttle body spacers are constructed out of durable T-6061 billet aluminum and using a unique serrated/helix entry to create turbulence at the manifold while eliminating the annoying whistle found in other helix only throttle spacers.

Product Features:

Reduces Throttle Response Time
Improves Acceleration
Easy To Install
Does Not Affect The Vehicles Electronic System

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$51.99

GM Genuine Parts Wiring Relays are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These relays help connect or disconnect power to a vehicle accessory when it receives a low voltage signal from a switch. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

Helps connect or disconnect power to vehicle accessories
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

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$82.99

Bosch OE quality pressure sensors for accurate measurements with high durability, fast response time and wide measuring range

Product Features:

Bosch OE quality pressure sensors for accurate measurements
Bosch OE quality pressure sensors for long term stability
Bosch OE quality pressure sensors with a short response time
Bosch OE quality pressure sensors with improved media resistance

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$281.99

This diesel exhaust fluid (DEF) pump matches the fit and function of the original part. Designed as a plug-and-play replacement, this DEF pump has undergone extensive testing and is made of quality components for reliable service.

Product Features:

Ideal replacement – this DEF pump matches the fit and function of the original pump for a plug-and-play replacement
Durable construction – this DEF pump is made of quality components and materials for durability
Cost-effective solution – offers original equipment function at a competitive price
Quality tested – this part has undergone extensive testing to ensure a quality fit and long service life

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$14.99

GM Genuine Parts Fuel Tank Sender Retainers are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These retainers help align and secure your vehicle’s fuel tank sender. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

Help align and secure fuel tank sender
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

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$156.99

GM Genuine Parts Vapor Canister Vent Solenoids are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These solenoids communicate with the valve to open and close, allowing air to pass in and out of the vapor canister vent. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

Controls fresh air flow to the canister
Sends fuel vapors to the engine for re-burn
Helps control fuel tank pressure
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

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$69.99

Bosch is the world¿s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Product Features:

Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
Includes Smart Link Connector, no soldering required
No special tools required for installation
Seared protection tube due to 100% functional quality test
Recommend to use OTC 6500 Flexihead O2 Sensor Wrench

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$261.99

WVE is a leading source of advanced vehicle electronics components for replacement applications in the automotive aftermarket and original equipment applications. WVE offers high-technology manufacturing along with innovative solutions and improvements to OE designs. Every component either matches or improves on the OE design to ensure fast, easy installation, superior performance and reliability.

Product Features:

Application matched components ensure fuel injection system meets all emission regulations.
Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.

Upgrade your 2012 GMC Sierra 2500 HD with Top-Quality Fuel and Emissions Systems

When it comes to maintaining or upgrading your 2012 GMC Sierra 2500 HD, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your GMC or enhancing its overall performance, Fuel and Emissions Systems are key to keeping your Sierra 2500 HD functioning at its best. At Advance Auto Parts, we offer a wide selection of 184 Fuel and Emissions Systems for the 2012 GMC Sierra 2500 HD, designed to meet your needs without breaking the bank. From Oxygen Sensor replacements to Fuel Pumps upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Fuel and Emissions Systems for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Fuel and Emissions Systems for your 2012 GMC Sierra 2500 HD at great prices. Our Fuel and Emissions Systems inventory for this model ranges from just $1.49 to $2,866.99, with an average price of $133.82. Our 184 Fuel and Emissions Systems in stock come from 16 trusted brands, so you’re sure to find the right part for your 2012 GMC Sierra 2500 HD without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2012 GMC Sierra 2500 HD, we stock popular OEM and aftermarket Fuel and Emissions Systems from top names like GM Genuine, Carquest Premium, Dorman, and more. GM Genuine Fuel and Emissions Systems start at just $11.49 and boast an impressive 4.5 stars average rating from customers. Carquest Premium and Dorman also bring quality to the table, with Fuel and Emissions Systems available starting at $6.99, and at an average 4.4 stars rating. With 5,594 customer reviews and counting, our 2012 GMC Sierra 2500 HD Fuel and Emissions Systems have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Fuel and Emissions System upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 2012 GMC Sierra 2500 HD is always ready to roll. We’re committed to providing you with everything you need to keep your Sierra 2500 HD in top shape, all in one place. Start shopping confidently below for your 2012 GMC Sierra 2500 HD!

Best-Selling Oxygen Sensors for 2012 GMC Sierra 2500 HDs

Enhance the driving experience in your GMC with 12 quality Oxygen Sensor components, starting at $53.99.

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$94.99

NGK is the sensor specialist for import and domestic applications. Established under the NGK product family, oxygen sensors are part of our ongoing commitment to streamlining product types and increasing coverage. A ceramic company at our core, uses cutting-edge technology to control the ceramic used in our oxygen sensors from raw material to finished product. is the world’s largest supplier and manufacturer of OE oxygen sensors. Combining expertise and innovation, oxygen sensors deliver superior fit, form, and function. oxygen sensors undergo extensive testing during manufacturing to ensure quality and reliability that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for comprehensive market support and OE application technology.

Product Features:

OEM QUALITY: is the world’s largest supplier of original equipment oxygen sensors with renowned quality that meets or exceeds OEM specifications
PRODUCT ENGINEERING: Based on OE expertise, but specifically engineered for the aftermarket, Oxygen Sensors offer superior OE fit, form, function
OE TECHNOLOGY: Upgraded to the latest OE technologies, Oxygen Sensors are designed to reduce OE failures, enhance durability and performance
EXTENSIVE TESTING: OE development includes vibration and thermal shock testing. Testing during manufacturing guarantees quality and reliability
EASY INSTALLATION: Oxygen Sensors are equipped with OE specified, water-resistant connectors and harness accessory hardware for easy installation
ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning
ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability

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$105.99

DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled peformance; Each component is precision built for exact replacement, and a first time fit; This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead posining for improved engine performance, greater fuel efficiency, and unparalleled longevity; DENSO gives you the right part and the right fit, the first time.

Product Features:

Specifically designed to meet the increasing demands of today’s engines
100 percent checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination

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$69.99

Specifically designed to meet the increasing demands of today’s engines
100 percent checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination

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$69.99

Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Product Features:

Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
Includes Smart Link Connector, no soldering required
No special tools required for installation
Seared protection tube due to 100% functional quality test
Performance meets or exceeds OE specifications

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$79.99

GM Genuine Parts Oxygen (O2) Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These sensors are special feedback sensors on your vehicle’s exhaust system and measure the proportion of oxygen in exhaust gases. Using this measurement, the engine control module (ECM) can adjust the air/fuel ratio to near the optimal value of 14.7:1. At this ratio, engine performance, emissions, and fuel economy are all optimized. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
Detects oxygen content in the exhaust gases to help optimize emissions
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

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$67.99

Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
Direct Fit includes OE Connector for easy installation
Performance meets or exceeds OE specifications
True Direct-fit OE connectors and harness

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$149.99

This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
Detects oxygen content in the exhaust gases to help optimize emissions
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

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$175.99

GM Genuine Parts Oxygen (O2) Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These sensors are special feedback sensors on your vehicle’s exhaust system and measure the proportion of oxygen in exhaust gases. Using this measurement, the engine control module (ECM) can adjust the airfuel ratio to near the optimal value of 14.7:1. At this ratio, engine performance, emissions, and fuel economy are all optimized. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

This part requires programming andor special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
Detects oxygen content in the exhaust gases to help optimize emissions
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

from

$83.99

Specifically designed to meet the increasing demands of today’s engines
100 percent checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination

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$125.99

Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
Direct Fit includes OE Connector for easy installation
Performance meets or exceeds OE specifications
True Direct-fit OE connectors and harness

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$89.99

NGK is the world’s largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle’s on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, uses state-of-the art technology enabling control of the ceramic element used in our oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:

OEM QUALITY: is the world’s largest supplier of original equipment oxygen sensors with renowned quality that meets or exceeds OEM specifications
PRODUCT ENGINEERING: Based on OE expertise, but specifically engineered for the aftermarket, Oxygen Sensors offer superior OE fit, form, function
OE TECHNOLOGY: Upgraded to the latest OE technologies, Oxygen Sensors are designed to reduce OE failures, enhance durability and performance
EXTENSIVE TESTING: OE development includes vibration and thermal shock testing. Testing during manufacturing guarantees quality and reliability
EASY INSTALLATION: Oxygen Sensors are equipped with OE specified, water-resistant connectors and harness accessory hardware for easy installation
ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning
ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability

from

$53.99

Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:

Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
Sealed connections (where applicable) to prevent environmental corrosion and performance issues
Global coverage for import and/or domestic applications
OE specified wire gauge to ensure a reliable electrical connection
Designed to meet or exceed OE specifications in form, fit and function

Most Popular 2012 GMC Sierra 2500 HD Fuel Pumps

Customize your GMC with 18 Fuel Pumps products like Fuel Pumps, Fuel Lift Pumps, and Fuel Injection Pumps, all priced under $1,557.00.

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from

$791.99

Delphi is a Tier 1 supplier to the majority of global vehicle manufacturers and has been a manufacturer of dependable fuel pumps and fuel delivery parts for over 80 years. With over 30 OE-proprietary innovations and 150 patents in fuel technologies, Delphi is regarded as a market leader in North American fuel management with sales coverage at over 95%. Learn more about our expert-led training programs and tech hotline at 1-877-463-3574. Visit our Resource Center for helpful tips and tricks on fuel pumps, technologies, and more: https://www.delphiautoparts.com/usa/en-US/resource-center.

Product Features:

Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
Empty float height and float retention matches OE specifications and guarantees correct gas gauge reading
Lower amperage draws less load on vehicle’s electrical system
Part is validated, tested and matched to the right vehicle application
Always be sure to check and clean fuel tank to avoid unnecessary returns
Lower failure rates due to its innovative design and durability

from

$70.99

Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
All pumps are functionally tested for correct operation which improves pump reliability
Exact fit original equipment replacements means easy installation
Consistent pressure at all operating temperatures results in quick start ups
Pump is designed for diesel engines and applications
Always check the fuel filter when replacing the fuel pump

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$529.99

GM Genuine Parts Fuel Pump Module Assemblies are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These module assemblies help deliver fuel to your vehicle’s fuel injectors, providing a steady, reliable fuel supply to your vehicle’s engine. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

Helps provide a reliable fuel supply to your vehicle’s engine
Electrical connections are designed to help eliminate high resistance due to vehicle vibration
Designed to optimize pump life and reduce fuel pump noise
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

from

$397.99

Meets or exceeds OE resistance requirements
Transfers fuel within the tank
Does not include primary fuel pump
Meets or exceeds OE delivery requirements

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$199.99

Bosch is the leading OE supplier of diesel fuel systems for diesel passenger cars, SUVs, van and pickup trucks.
End of line testing using the exact OE test specifications.
Guaranteed to provide OE performance and meet all emission specifications.
Continuous improvement, remanufactured with the latest upgrades to components and specifications.

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$351.99

Helps provide a reliable fuel supply to your vehicle’s engine
Electrical connections are designed to help eliminate high resistance due to vehicle vibration
Designed to optimize pump life and reduce fuel pump noise
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

from

$290.99

Helps provide a reliable fuel supply to your vehicle’s engine
Electrical connections are designed to help eliminate high resistance due to vehicle vibration
Designed to optimize pump life and reduce fuel pump noise
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

from

$264.99

Helps provide a reliable fuel supply to your vehicle’s engine
Electrical connections are designed to help eliminate high resistance due to vehicle vibration
Designed to optimize pump life and reduce fuel pump noise
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

from

$1557.00

100% of pumps are end of line tested using the exact OE test specifications and equipment
Manufactured with the latest OE updates, so they can often be superior to the parts they replace
Manufactured using all OE tools and processes
Guaranteed to provide OE performance

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$1053.99

REMAN DIESEL PUMP

from

$791.99

Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
Empty float height and float retention matches OE specifications and guarantees correct gas gauge reading
Lower amperage draws less load on vehicle’s electrical system
Part is validated, tested and matched to the right vehicle application
Always be sure to check and clean fuel tank to avoid unnecessary returns
Lower failure rates due to its innovative design and durability

from

$609.99

100% of pumps are end of line tested using the exact OE test specifications and equipment
Remanufactured pumps include all OE updates, so they can often be superior to the OE pumps that they replace
Manufactured using all OE tools and processes
Remanufactured Pumps receive new OE parts for all wearable or critical components

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$547.99

Meets or exceeds OE resistance requirements
Transfers fuel within the tank
Does not include primary fuel pump
Meets or exceeds OE delivery requirements

from

$269.99

Helps provide a reliable fuel supply to your vehicle’s engine
Electrical connections are designed to help eliminate high resistance due to vehicle vibration
Designed to optimize pump life and reduce fuel pump noise
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

from

$58.99

This fuel sender connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:

Direct replacement – this fuel sender connector matches the appearance and function of the factory hardware on specified applications.
Ideal solution – this connector is a reliable replacement for an original part that is missing or has failed due to fatigue
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$39.99

Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.

Product Features:

BAR Certified adapters
Adapter check’s a fuel cap’s ability to hold pressure.
Adapters meet EPA standards for recommended fleet coverage.
Check adapter application chart for specific makes and models

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$34.99

Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.

Product Features:

BAR Certified adapters
Adapter check’s a fuel cap’s ability to hold pressure.
Adapters meet EPA standards for recommended fleet coverage.
Check adapter application chart for specific makes and models

from

$17.79

Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.

Product Features:

BAR Certified adapters
Adapter check’s a fuel cap’s ability to hold pressure.
Adapters meet EPA standards for recommended fleet coverage.
Check adapter application chart for specific makes and models

Top Picks for 2012 GMC Sierra 2500 HD Fuel Injectors

Upgrade GMC Sierra 2500 HDs with top-quality Fuel Injectors parts, including 34 OEM and aftermarket selections for your 2012 model.

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$76.99

Designed to meet OE specifications for fit, form and function
100% new unit with no core charge
Advanced micro-controlled technology delivers more accurate output in extreme temperatures
Extensive validation testing to ensure precision output for better performance and reliability
O-rings or gaskets included where applicable

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$14.99

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered and manufactured specifically for the repair environment
Unsurpassed quality you can trust
Validated for fit, form, and function

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$129.99

Every single Delphi mass air flow (MAF) sensor that we manufacture – whether with or without the housing – is built with calibrated all-new components and is never remanufactured. Our mass air flow sensors are designed and tested to meet or exceed OE requirements, and engineered for a perfect fit in more than 180 million vehicles on the road today in North America – including makes from Ford, Toyota, Nissan, Volkswagen, Hyundai, BMW, Honda, GM, Mazda, Subaru, Acura and more.

Product Features:

Delphi mass air flow sensors are the global benchmark for accuracy and signal noise
Delphi mass air flow sensors feature high quality sensing elements for outstanding performance over a wide range of ambient temperatures
Delphi is a manufacturer of OE mass air flow sensors since their first use over 30 years ago
All parts are calibrated and tested to match the OE part
Probe solution offered wherever possible to reduce repair time by eliminating the need to replace the flow tube
Delphi OE technology validated to match the vehicle applications

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$222.99

GM Genuine Parts Mass Air Flow (MAF) Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These sensors are key parts of the engine management system, and are GM-recommended replacements for your vehicle’s original components. The MAF sensor measures the amount of air entering the engine so that the engine control module can determine the amount of fuel to inject. This helps ensure the most efficient air/fuel mixture for the best fuel economy and power. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

Measures the amount of air entering the engine so the ECM can determine the amount of fuel to inject
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

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$7.99

CARQUEST fuel injector seal kits include the necessary O-rings and seals to properly reseal the injector, which is a recommended practice any time the injector is removed. Includes hard to find or previously dealer-only components.

Product Features:

Premium OE quality materials
Services one injector

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$535.99

Fuel Injector Kits contain the necessary parts to service a fuel injector, and are GM-recommended replacements for your vehicle’s original components. The fuel injector atomizes the fuel with the air entering the engine cylinder to form a combustible mixture. These original equipment fuel injector kits have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:

This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
Atomizes fuel into the engine’s intake manifold or cylinders, as part of the fuel and engine management system
Allows for a quick throttle response
Assists in cold engine starts
GM-recommended replacement part for your GM vehicle’s original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function

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$54.99

CARQUEST’S line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the U.S.A. Each injector is 100% tested under multiple operating conditions to ensure each injector meets or exceeds OE specifications for flow rate, spray pattern, coil resistance, form, fit and function. Each injector includes new external seals and O-rings.

Product Features:

Each unit is 100% tested to OE specifications
Includes new O-rings and seals made of premium OE quality materials
Includes application specific technical bulletin, where applicable

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$27.99

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Unsurpassed quality you can trust
Validated for fit, form, and function

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$6.29

GM Genuine Parts Fuel Pressure Relief Valve Caps are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

from

$129.99

Delphi mass air flow sensors are the global benchmark for accuracy and signal noise
Delphi mass air flow sensors feature high quality sensing elements for outstanding performance over a wide range of ambient temperatures
Delphi is a manufacturer of OE mass air flow sensors since their first use over 30 years ago
All parts are calibrated and tested to match the OE part
Probe solution offered wherever possible to reduce repair time by eliminating the need to replace the flow tube
Delphi OE technology validated to match the vehicle applications

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$13.79

GM Genuine Parts Fuel Injector and Insulator Retainer Kits are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

from

$289.99

Measures the amount of air entering the engine so the ECM can determine the amount of fuel to inject
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

from

$129.99

Bosch is the leading OE supplier of diesel fuel systems for diesel passenger cars, SUVs, van and pickup trucks.

Product Features:

Bosch is the leading OE supplier of diesel fuel systems for diesel passenger cars, SUVs, van and pickup trucks.
End of line testing using the exact OE test specifications.
Guaranteed to provide OE performance and meet all emission specifications.
Continuous improvement, manufactured with the latest upgrades to components and specifications.

from

$90.99

Designed to meet OE specifications for fit, form and function
100% new unit with no core charge
Advanced micro-controlled technology delivers more accurate output in extreme temperatures
Extensive validation testing to ensure precision output for better performance and reliability
O-rings or gaskets included where applicable

from

$86.99

CARDONE Remanufactured Mass Air Flow Sensors (MAFS) precisely track O.E. output curves and maintain specific tolerances to ensure accurate scan tool readings for proper operation. 100% re-soldering of critical components ensures superior electrical connections, eliminates intermittent failures and lengthens product life. With CARDONE Mass Air Flow Sensors (MAFS), you can expect smooth vehicle performance.

Product Features:

100% re-solder of critical components ensures superior electrical connections, no intermittent failures and longer product life.
On-car vehicle validation routines ensure that modules meet all form, fit, durability and performance requirements.
All modules are 100% tested with automated computer test equipment to ensure full functionality and reliability.
Our sensors precisely track O.E. output curves and maintain spec tolerances to ensure accurate feedback to the vehicle┐s engine control management system.
Components are rated to handle demanding temperature variations for optimum reliability in every environment.
As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.

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$41.99

GM Genuine Parts Fuel Injector Seal Kits are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These seals help provide liquid-tight connections between the fuel injector and related components. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

Helps provide a seal to prevent fuel leaks
Helps seal combustion chamber from the elements
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

from

$36.99

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Unsurpassed quality you can trust
Validated for fit, form, and function

from

$261.99

This hydrocarbon injector (HCI), also called an aftertreatment doser, is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:

Direct replacement – this hydrocarbon injector (HCI) matches the fit and function of the factory part on specified years, make and models
Ideal solution – this hydrocarbon injector is a reliable replacement for an original part that has failed due to wear, corrosion or fouling
Durable construction – this part is made from quality materials to ensure reliable performance and a long service life
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

from

$28.49

Helps provide a seal to prevent fuel leaks
Helps seal combustion chamber from the elements
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

Pro-Flo 4 Efi Xt-Style Kit No. 35993 For Chevy Ls Gen Three & Four Small-Block

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$2866.99

The Edelbrock part No. 35993 Pro-Flo 4 XT Sequential Port EFI System for Chevrolet LS GEN III/IV engines is equipped with the latest in technology and features. The EFI system comes complete with a Pro-Flo XT rectangular port black finish intake manifold and 35 Lb./Hr injectors capable of 550 HP with 58 p.s.i. fuel pressure. The new Pro-Flo 4 EFI systems feature an all-new ECU with a faster processor, a water proof design and measures half the depth of the previous ECU. It also has an upgraded Bluetooth chip that is faster, more reliable and will not drop connection. We’ve added more features for the advanced tuner giving you control over air-fuel ratios, ignition curve, idle speed, acceleration fuel, coolant fans, Rev limiter while retaining the simplicity Pro-Flo is known for. The key to the system is our exclusive E-Tuner 4 app with dyno developed base calibrations. The E-Tuner 4 app uses a Bluetooth wireless connection to communicate with the ECU’s self-learning capability to continually adjust the calibration to get the maximize performance of your engine. E-Tuner 4 features a simple and easy to use setup wizard to help you get started. Best of all, the E-Tuner 4 app is free and can be downloaded from the Google Play Store, allowing you to use your personal Android based smart phone or tablet. If you don’t have a compatible device, then we also offer kits that include a 7″ Android tablet with the E-Tuner 4 app pre-installed. Multiple dash displays are included to allow you to monitor engine vitals and performance from your Android smart phone or tablet. Pro-Flo 4 does not require laptop tuning.

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$596.99

Bosch is the leading OE supplier of diesel fuel systems for diesel passenger cars, SUVs, van and pickup trucks. End of line testing using the exact OE test specifications. Guaranteed to provide OE performance and meet all emission specifications. Continuous improvement, manufactured with the latest upgrades to components and specifications. Bosch is a recognized OE leader in fuel systems technology, with more than 45 years of gasoline fuel injection experience. The fuel injection program provides vast coverage for Domestic, European, and Asian vehicles.

Product Features:

100% of injectors are end of line tested using the exact OE test specifications and equipment
Manufactured with the latest OE updates, so they can often be superior to the parts they replace
Manufactured using all OE tools and processes
Guaranteed to provide OE performance

from

$503.99

100% of injectors are end of line tested using the exact OE test specifications and equipment
Manufactured with the latest OE updates, so they can often be superior to the parts they replace
Manufactured using all OE tools and processes
Guaranteed to provide OE performance

from

$503.99

CARQUEST premium remanufactured injectors are completely torn down, ultrasonically cleaned, inspected and remanufactured using premium components. Each injector is tested on a sophisticated flow bench under multiple operating parameters.

Product Features:

Each unit is 100% tested to OE specifications
Includes 100% replacement of nozzle to ensure accurate and precise injection under all operating parameters
Includes all new premium quality O-rings and seals
Includes copper combustion seal
Includes application specific technical bulletin which highlights critical aspects of the job and offers technical tips for proper installation

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$471.99

ACDelco GM Original Equipment Fuel Injector Kits contain the necessary parts to service a fuel injector, and are GM-recommended replacements for your vehicle’s original components. The fuel injector atomizes the fuel with the air entering the engine cylinder to form a combustible mixture. These original equipment fuel injector kits have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:

This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
Atomizes fuel into the engine’s intake manifold or cylinders, as part of the fuel and engine management system
Allows for a quick throttle response
Assists in cold engine starts
GM-recommended replacement part for your GM vehicle’s original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function

In-Demand Air Flow Sensors for 2012 GMC Sierra 2500 HDs

Select from 10 premium Air Flow Sensors parts for your 2012 GMC Sierra 2500 HD, with prices ranging from $1.49 to $75.99.

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from

$51.99

Building upon a foundation of premium full-line products established under NGK ignition and oxygen sensor products, NTK’s expansion to technical sensors is part of our ongoing commitment to streamline product types and increase coverage under one premium brand NTK, The Sensor Specialist. With over 80 years of automotive expertise, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. is the only OE supplier with a full line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. sensors are manufactured to ensure a quality that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:

NTK’s Manifold Absolute Pressure Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper manifold pressure, fuel metering and ignition timing.
The Manifold Absolute Pressure Sensor (MAP) provides manifold pressure information to the Engine Control Unit (ECU). The data is used to determine the air mass flow rate and required fuel for optimum combustion and ignition timing.
Barometric Pressure Sensors are designed to meet or exceed OE specifications in form, fit and function to ensure proper engine calibration at varying pressures

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$1.49

These nuts are manufactured using durable materials and corrosion tested to ensure required strength and Longevity.

Product Features:

Durable materials – manufactured to specific thread tolerance standards
Corrosion tested – hardware undergoes salt spray testing to ensure corrosion resistance
Multipurpose usefulness – can be used in a variety of applications, from auto to home
Trustworthy quality – backed by team of professional engineers and quality control specialists in the United States

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$61.99

Delphi’s ever growing portfolio of high quality vehicle sensors are backed by stringent OE development and product validation methods. We offer a wide range of sensors, including ABS, camshaft, crankshaft, knock, EGT, MAP, temperature, throttle position, and vehicle speed sensors for a variety of vehicle applications. All of our sensors are tested and calibrated to OE standards, ensuring accurate readings, which helps to reduce comebacks.

Product Features:

Insulated with silicone gel over the integrated circuit chip to protect against shock and vibration for increased durability
Internally protected against moisture intrusion and vibration
Long lasting and durable
Designed and engineered with Delphi expertise

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$16.99

ACDelco GM Original Equipment Ambient Air Temperature Sensors are used with automatic climate control systems. The sensors provide the HVAC system controller with outside air temperature, allowing the controller to modify the climate-control strategy. The sensors may also provide the signal for the outside temperature in the driver information display. This original equipment ambient air temperature sensor is a GM-recommended replacement for your vehicle’s original components and has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:

Repairs the outside temperature display function caused by failed ambient temp sensor
GM-recommended replacement part for your GM vehicle’s original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function

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$63.99

The Premium CarQuest Vehicle Solutions line is designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Relief Valve is used in the automotive air conditioning system to prevent unusual over-pressure that may cause damage to critical components within the system or to the system as a whole. By opening it’s valve when the system pressure exceeds the preset pressure levels and closing when the internal pressure decreases to the preset pressure levels, proper factory designated system pressures are maintained.

Product Features:

Made to OE spec to ensure a proper fit, form and function.
Sensors are engineered for precision performance, durability and a long service life.
All units are tested using advanced end-of-line testing equipment that pressurizes the A/C Pressure Relief Valve and checks functionality to ensure each A/C Pressure Relief Valve meets manufacturing specifications before packaging.

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$32.99

Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
Product constructed to meet all design and operating characteristics as intended by the manufacturer.
OE specified wire gauge to ensure a reliable electrical connection
Designed to meet or exceed OE specifications in form, fit and function

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$15.99

Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
Lead frame terminal size and location determined using image dimension measuring system or 3D laser scanner.
Application matched components ensures system operation in like new condition.

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$75.99

CARQUEST MAP sensors are manufactured with critical OEM components to ensure that your engine runs efficiently to reach the best gas mileage on your vehicle.

Product Features:

CARQUEST MAP sensors connectors are exact OE fit to ensure the proper vacuum is maintained to prevent power loss and to minimize internal contamination.
CARQUEST MAP sensors utilize high temperature resistant seals. Damaged seals can directly impact the vehicles fuel-to-air ratio, making it less fuel efficient.
CARQUEST MAP sensors are 100% individually tested for all product functionalities including proper vacuum seal and electrical output.

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$70.99

ACDelco GM Original Equipment Multi Purpose Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.

Product Features:

Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

from

$31.49

GM Genuine Parts Manifold Absolute Pressure (MAP) Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. The MAP sensor is a part of the fuel and engine management system. Its signal is used by the engine control module along with the throttle position sensor to calculate the amount of air entering the engine so that the correct amount of fuel is injected for optimum combustion. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

Sends signals to the engine controls for optimal engine performance
Designed to adjust engine performance to various altitudes
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

Most Sold 2012 GMC Sierra 2500 HD Gas Caps

Explore our best-selling GMC parts for the 2012 Sierra 2500 HD among 33 OEM and aftermarket options starting from $7.99.

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from

$15.79

Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.

Product Features:

Product Features:

Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control
Independently tested for emission control

from

$19.99

Passes all state and federal emissions tests
Independently tested for emission control
Protects your fuel from theft and vandalism
Reduces air pollution with proper sealing and venting
Reduces air pollution with proper sealing and venting
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Passes all state and federal emissions tests
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Independently tested for emission control
Protects your fuel from theft and vandalism
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Protects your fuel from theft and vandalism
Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Reduces air pollution with proper sealing and venting
Independently tested for emission control

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Passes all state and federal emissions tests
Independently tested for emission control
Protects your fuel from theft and vandalism
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Reduces air pollution with proper sealing and venting
Manufactured from durable, long-life materials

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Passes all state and federal emissions tests
Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

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Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
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Manufactured from durable, long-life materials
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Reduces air pollution with proper sealing and venting
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

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Reduces air pollution with proper sealing and venting
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

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Passes all state and federal emissions tests
Manufactured from durable, long-life materials
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Independently tested for emission control
Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

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Protects your fuel from theft and vandalism
Protects your fuel from theft and vandalism
Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

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Passes all state and federal emissions tests
Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

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Protects your fuel from theft and vandalism
Protects your fuel from theft and vandalism
Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

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Independently tested for emission control
Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

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Protects your fuel from theft and vandalism
Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

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Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

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Product Features:

Protects your fuel from theft and vandalism
Protects your fuel from theft and vandalism
Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

from

$12.49

Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control

from

$23.99

Product Features:

Protects your fuel from theft and vandalism
Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Reduces air pollution with proper sealing and venting
Independently tested for emission control

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Passes all state and federal emissions tests
Independently tested for emission control
Independently tested for emission control
Protects your fuel from theft and vandalism
Reduces air pollution with proper sealing and venting
Manufactured from durable, long-life materials

from

$31.99

Product Features:

Protects your fuel from theft and vandalism
Passes all state and federal emissions tests
Manufactured from durable, long-life materials
Reduces air pollution with proper sealing and venting
Independently tested for emission control
Independently tested for emission control

Top-Rated Fuel and Emissions Systems Brands For Your 2012 GMC Sierra 2500 HD

Shop for the best-rated brands offering Fuel and Emissions Systems and other products for your 2012 GMC Sierra 2500 HDs. Below you’ll find some of our best rated Fuel and Emissions Systems from GM Genuine, Carquest Premium, and Dorman, and more. Fuel and Emissions Systems from these brands that fit a 2012 Sierra 2500 HD start at just $6.99 and are rated as high as 4.5 stars. OEM and aftermarket Fuel and Emissions Systems don’t get more top quality, durable, and affordable than from the brands below.

Popular GM Genuine 2012 GMC Sierra 2500 HD Fuel and Emissions Systems

When it comes to maintaining or upgrading your 2012 GMC Sierra 2500 HD, using quality Fuel and Emissions Systems is essential to ensure durability and a perfect fit. GM Genuine ticks all of those boxes. We offer a wide selection of GM Genuine Fuel and Emissions Systems, specifically designed for the 2012 GMC Sierra 2500 HD. With over 2 GM Genuine brand Fuel and Emissions Systems in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $11.49, with an average price of just $40.24. Plus, with over 20 customer reviews and an average rating of 4.5 stars, you can trust that our GM Genuine Fuel and Emissions Systems will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

from $11.49

(2)

Parking Light Relay

“Week of our first heatwave summer 2024, the part was needed for my ac. Located in another store, the staff made sure I had the part the same day for m”

from $68.99

(18)

Vapor Canister Purge Valve

“worked as it should”

Popular Carquest Premium 2012 GMC Sierra 2500 HD Fuel and Emissions Systems

Carquest Premium auto parts is one of the highest quality Fuel and Emissions System brands in the market. Any 2012 GMC Sierra 2500 HD owner should feel confident when installing genuine Carquest Premium parts in their vehicle. To ensure the best fit and performance for your 2012 Sierra 2500 HD, Advance Auto Parts carries a full inventory of 3 Carquest Premium Fuel and Emissions Systems. Plus you will be keeping your GMC in peak condition while saving money because prices on these Carquest Premium Fuel and Emissions Systems range from $15.79 to $76.99, plus, with more than 10 customer reviews and an impressive 4.4 stars average rating, you can be confident the Fram Fuel and Emissions Systems below will deliver on both quality and value.

from $15.79

(4)

Diesel Fuel Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack

“Fits and works as expected.”

from $16.99

(5)

Fuel Tank Lock Ring LO1582926

“Seems like a nice quality part, installed nice, no complaints.”

from $76.99

(1)

New Mass Air Flow Sensor – Sensor Only

“CEL LIGHT IN A 2012 SILVERDAO. EASY INSTALL. GOOD SINCE”

FAQs for 2012 GMC Sierra 2500 HD Fuel and Emissions Systems

Which Fuel and Emissions Systems are best-sellers for 2012 GMC Sierra 2500 HDs?

Out of 184 Fuel and Emissions Systems that fit 2012 GMC Sierra 2500 HDs, the following parts are the top sellers:

Fuel Cap: Round, Direct Fit, Provides Tight Seal, 1 Pack (18481528) – $14.99
Vapor Canister Purge Valve (18057381) – $68.99
Non-Locking Tethered Fuel Tank Cap (12102600) – $24.29

What’s the price range for 2012 GMC Sierra 2500 HD Fuel and Emissions Systems?

Fuel and Emissions System prices for the 2012 GMC Sierra 2500 HD start at $1.49 and go up to $2,866.99 for the most premium parts.

What’s the average price of a Fuel and Emissions System for a 2012 GMC Sierra 2500 HD?

The average price for Fuel and Emissions Systems for the 2012 GMC Sierra 2500 HD is $133.82. Keep in mind the variety of part types within our Fuel and Emissions System category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Fuel and Emissions Systems for other GMC Sierra 2500 HD model years?

Yes, we currently carry Fuel and Emissions Systems for 24 model years of GMC Sierra 2500 HDs between 2001 and 2026. Fuel and Emissions Systems are bought most frequently for the following model years: 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, and 2015.

What are the cheapest Fuel and Emissions Systems for my 2012 GMC Sierra 2500 HD?

The cheapest 2012 GMC Sierra 2500 HD Fuel and Emissions Systems we carry in stock are:

Body Bolt with Washer – M6-1.0 X 25mm (sold by each) (22141637) – $1.49
Heavy Duty Diesel Exhaust Fluid Cap (10567781) – $4.99
Heavy Duty DEF Cap (50208104) – $5.99
Fuel Pressure Relief Valve Cap (12044334) – $6.29
Exhaust Gas Recirculation (EGR) Valve Gasket (11469118) – $6.29

What are the top-rated Fuel and Emissions Systems that fit the 2012 GMC Sierra 2500 HD?

Out of 5,594 reviews by customers, our 2012 GMC Sierra 2500 HD Fuel and Emissions Systems have an average customer rating of . These are some of the highest-rated Fuel and Emissions System types for the 2012 GMC Sierra 2500 HD and their top-rated products:

Vapor Canister Purge Valves
- Vapor Canister Purge Valve (18057381) – $68.99
Diesel Fuel Injectors
- Vapor Canister Purge Valve (18057381) – $68.99

What types of Fuel and Emissions Systems do you sell for my 2012 GMC Sierra 2500 HD?

As of 3/1/26, these are some of the most in-demand types of Fuel and Emissions Systems for a 2012 GMC Sierra 2500 HD:

Can I get help with 2012 GMC Sierra 2500 HD Fuel and Emissions System orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about GMC Fuel and Emissions Systems and more.

What is your return policy for GMC Sierra 2500 HD Fuel and Emissions Systems?

Advance Auto Parts keeps returns simple. For new GMC Sierra 2500 HD Fuel and Emissions Systems and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

2012 GMC Sierra 2500 HD Fuel and Emissions Systems

Carquest Premium – New Mass Air Flow Sensor – Sensor Only (Part No.MQ6223)

Carquest Premium – Vapor Canister Purge Solenoid: Includes Mounting Hardware (Part No.CPC1019)

GM Genuine Parts – Black Multi-Purpose Pigtail (Part No.PT2612)

Carquest Premium – Locking Fuel Tank Cap (Part No.10595)

GM Genuine Parts – Vapor Canister Purge Valve (Part No.12630282)

Felpro – Exhaust Gas Recirculation (EGR) Valve Gasket (Part No.70947)

Dorman – Body Bolt with Washer – M6-1.0 X 25mm (sold by each) (Part No.700-251)

Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA1221)

Dorman – Diesel Fuel Rail Return Line Gaskets (Part No.904-103)

Dorman – Universal Fuel Line Retainer – 5/8 In. (Part No.800-041)

Dorman – Fuel Tank O-Ring (Part No.911-245)

KAI – Fuel Pump Module Assembly (Part No.FMD010018)

Carquest Premium – EGR Valve (Part No.EGC1322)

Dorman – Water In Fuel Sensor with Drain Valve (Part No.904-439)

Spectra Premium – Fuel Filler Neck (Part No.FN949)

GM Genuine Parts – 5-Way Female Gray Multi-Purpose Pigtail (Part No.PT1154)

GM Genuine Parts – Exhaust Pressure Differential Sensor Pipe (Part No.84316440)

Bosch – Hydraulic Pressure Relief Valve (Part No.1110010013)

GM Genuine Parts – Exhaust Gas Recirculation (EGR) Manifold Gasket (Part No.98065519)

Carquest Premium – Fuel Injection Pressure Sensor (Part No.FPA1043)

aFe POWER – Sprint Booster (Part No.77-14003)

GM Genuine Parts – Multi-Purpose Relay (Part No.19118886)

Bosch – High Pressure Sensor (Part No.0281006313)

Dorman – Diesel Emission Fluid Pump (Part No.904-607)

GM Genuine Parts – Fuel Tank Lock Ring (Right) (Part No.TR26)

GM Genuine Parts – Vapor Canister Vent Valve Solenoid (Part No.214-2082)

Bosch – Oxygen Sensor: 4 Wire, 24.02" Long, Heated (Part No.15740)

Wells Vehicle Electronics – Fuel Injection Pressure Regulator 5G1506 (Part No.5G1506)

NTK – Switching Oxygen Sensor: 4 Wire, 12.25" Long, Heated, Direct Fit (Part No.21066)

DENSO – Oxygen Sensor: Downstream, 4 Wire, 14.80" Long, Heated, Exact Fit (Part No.234-4256)

DENSO – Oxygen Sensor: 4 Wire, 11.77" Long, Heated, Universal Fit (Part No.234-4212)

Bosch – Oxygen Sensor: 4 Wire, 25.87" Long, Heated, Universal (Part No.15741)

GM Genuine Parts – Oxygen Sensor: 4 Wires, 330 mm Long, Heated, Exact Fit (Part No.213-4229)

Bosch – Oxygen Sensor: 4 Wire, 16.93" Long, Heated, Exact Fit (Part No.15698)

GM Genuine Parts – Oxygen Sensor: 4 Wires, 309.5 mm Long, Heated, Exact Fit (Part No.213-1161)

GM Genuine Parts – Heated Oxygen Sensor (Part No.213-4693)

DENSO – Oxygen Sensor: Upstream, 4 Wire, 14.76" Long, Heated, Exact Fit (Part No.234-4563)

Bosch – Oxygen Sensor: 4 Wire, 19.88" Long, Heated, Exact Fit (Part No.15283)

NTK – Switching Oxygen Sensor: 4 Wire, 18.5" Long, Heated, Direct Fit (Part No.21555)

Carquest Premium – Multi-Use Connector (Part No.PTA1517)

Delphi – Fuel Pump Module Assembly: With Float Arm, Seals (Part No.FG2020)

Delphi – Electric Fuel Lift Pump: 12V, With 2 Female Blade Terminals (Part No.HFP955)

GM Genuine Parts – Fuel Pump and Level Sensor Module (Part No.MU1960)

Delphi – Fuel Transfer Unit (Part No.FT4038)

Bosch – Pressure Regulator (Part No.0281006019)

GM Genuine Parts – Fuel Pump and Level Sensor Module with Seals (Part No.MU1977)

GM Genuine Parts – Fuel Pump Module without Fuel Level Sensor, with Seal (Part No.M100022)

GM Genuine Parts – Fuel Pump and Level Sensor Module (Part No.MU1976)

Bosch – Common Rail Pump (Part No.0445010817)

Carquest Premium – REMAN DIESEL PUMP (Part No.AM91093)

Delphi – Fuel Pump Module Assembly: With Float Arm, Seals (Part No.FG1746)

Bosch – Common Rail Pump (Part No.0986437421)

Delphi – Fuel Transfer Unit (Part No.FT4037)

GM Genuine Parts – Fuel Pump Module Assembly without Fuel Level Sensor, with Seal (Part No.M100021)

Dorman – Fuel Sending Unit Pigtail (Part No.645-221)

Carquest Premium – Fuel Cap Tester Adapter (Part No.12422)

Carquest Premium – Fuel Cap Tester Adapter: (Part No.12427)

Carquest Premium – Fuel Cap Tester Adapter: (Part No.12410)

Carquest Premium – New Mass Air Flow Sensor – Sensor Only (Part No.MQ6222)

Felpro – Fuel Injection Throttle Body Mounting Gasket (Part No.61469)

Delphi – Mass Air Flow Sensor (Part No.AF10060)

GM Genuine Parts – Mass Airflow Sensor (Part No.23256991)

Carquest Premium – Fuel Injector Seal Kit (Part No.AS053)

GM Genuine Parts – Fuel Injector (Part No.217-3440)

Carquest Premium – Remanufactured Multi Port Fuel Injector (Part No.A211-2183)

Felpro – Fuel Injector O-Ring Kit (Part No.ES 73217)

GM Genuine Parts – Fuel Pressure Relief Valve Cap (Part No.214-1044)

Delphi – Mass Air Flow Sensor (Part No.AF10061)

GM Genuine Parts – Fuel Injector Retainer Kit with Clip (Part No.12570620)

GM Genuine Parts – Mass Air Flow Sensor (Part No.23259883)

Bosch – Metering Unit (Part No.1462C00998)

Carquest Premium – New Mass Air Flow Sensor – Sensor Only (Part No.MQ6358)

Cardone – Remanufactured Mass Air Flow Sensor (Part No.74-50074)

GM Genuine Parts – Multi-Port Fuel Injector O-Ring Kit with 16 O-Rings (Part No.217-3092)

Felpro – Fuel Injector O-Ring Kit (Part No.ES 73201)

Dorman – Indirect Fuel Injector (Part No.904-436)

GM Genuine Parts – Fuel Injector O-Ring Kit with Washers (Part No.217-3438)

Edelbrock – Pro-Flo 4 Efi Xt-Style Kit No. 35993 For Chevy Ls Gen Three & Four Small-Block (Part No.35993)

Bosch – Diesel Fuel Injector: New (Part No.0445117010)