1991 GMC C2500 Fuel and Emissions Systems

Essential 1991 GMC C2500 Fuel and Emissions Systems

Carquest – Idle Air Control Valve (Part No.76A1001)

Idle Air Control Valve

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$49.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Cardone – Fuel Injector Installation Kit (Part No.2K-102)

Fuel Injector Installation Kit

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$102.99
CARDONE Diesel Fuel Injector Kits conveniently contain all components needed to complete the entire job, while other suppliers sell each component individually. Each kit includes everything required for installation, ensuring leak free operation and reduced crank times due to fuel leaks. Each kit contains 100% new components, ensuring trouble-free installation, keeping both you and your vehicle on the road for many years to come.

Product Features:
  • All in one kit makes the installation job easier and faster, as these components are typically sold separately from O.E.M. suppliers
  • Each installation kit includes everything required (gaskets, O-rings, sealing washers, etc.) for proper installation
  • Guaranteed fit and function
  • Meets or exceeds O.E.M. performance
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Carquest Premium – Manifold Absolute Pressure Sensor (MAP) (Part No.ECC1011)

Manifold Absolute Pressure Sensor (MAP)

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$65.99
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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Carquest Premium – Fuel Tank Selector Valve Connector (Part No.FSA1013)

Fuel Tank Selector Valve Connector

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$21.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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ACDelco – Fuel Injection Pressure Regulator Kit with Regulator and Clips (Part No.19210686)

Fuel Injection Pressure Regulator Kit with Regulator and Clips

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$104.99
ACDelco GM Original Equipment Fuel Injection Pressure Regulators are mechanical valves that control fuel pressure in the fuel injector rail, and are GM-recommended replacements for your vehicle’s original components. Their spring-loaded valves return excess fuel back to the fuel tank. These original equipment fuel injection pressure regulators have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Helps provide constant fuel pressure to the injectors
  • Assists in cold engine starts
  • Helps maintain stable engine idle
  • 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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NTK – Air Charge Temperature Sensor (Part No.AJ0003)

Air Charge Temperature Sensor

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$27.99
Building upon a foundation of premium full-line products established under NGK ignition and NTK 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. NTK is the only OE supplier with a full-line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, NTK sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. NTK 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 Air Charge Temperature Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper monitoring of air temperature entering the engine.
  • The Air Charge Temperature Sensor is used by the Engine Control Unit (ECU) to measure air density for fuel mixture control, which allows it to make continuous adjustments to the engine’s air / fuel mixture for maximum fuel efficiency.
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Carquest Premium – Fuel Cap: 10837, Round, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10837)

Fuel Cap: 10837, Round, Direct Fit, Provides Tight Seal, 1 Pack

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$14.99
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:
  • 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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ACDelco – 2-Way Female Black Multi-Purpose Pigtail (Part No.PT113)

2-Way Female Black Multi-Purpose Pigtail

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$26.49
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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Bosch – Fuel Pump Strainer (Part No.68001)

Fuel Pump Strainer

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$11.99
This Bosch fuel strainer is manufactured to greater-than-OE specification for enhanced durability.

Product Features:
  • Recommended repair accessories designed to OEM standards to improve the function of the vehicle and uphold product warranty
  • Multilayered filter media with 99% efficiency
  • Robust aluminum-, plastic-, or surface-treated steel filter housing designed to withstand high pressure thus offering a longer fuel filter service life
  • High micron rating comparable to OE
  • Always recommend replacing fuel strainer when replacing a fuel pump to ensure long and reliable service life
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Carquest Premium – Exhaust Gas Recirculation (EGR) Valve Control Solenoid (Part No.EGA1132)

Exhaust Gas Recirculation (EGR) Valve Control Solenoid

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$102.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Dorman – Fuel Tank Rear Frame Crossmember (Part No.926-956)

Fuel Tank Rear Frame Crossmember

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$188.99
This frame crossmember is designed to match the fit of an original equipment crossmember on specified vehicles, and can help eliminate the need to fabricate a replacement or install a salvage yard part. It is engineered to replace a factory crossmember that has rusted or damaged from impact, and is manufactured from durable steel for a reliable repair.

Product Features:
  • Ideal replacement – this fuel tank crossmember is a direct replacement for the original crossmember that allows only the damaged part to be replaced
  • Durable construction – this crossmember is made of steel and painted in a corrosion-resistant finish for a long service life
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than replacing the frame and saves time and money required to fabricate a replacement
  • Quality tested – this crossmember has undergone vehicle try-on, material, and corrosion testing to ensure proper fit and long-lasting durability
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Delphi – Fuel Tank Cleaning Kit (Part No.FC01)

Fuel Tank Cleaning Kit

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$12.49
To perform a complete fuel pump replacement, clean the tank every time. Order the Delphi Fuel Tank Cleaning Kit (Part FC01). Remember, the original pump went into a clean fuel tank, to ensure the same level of performance, the new pump should too. 100 ye

Product Features:
  • Helps avoid premature fuel pump failure
  • Lint free towel included
  • Low suds formulation
  • Removes harmful contaminants from the fuel tank
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Dorman – Help – Fuel Sending Unit Retainer Kit (Part No.55810)

Fuel Sending Unit Retainer Kit

from

$8.49
Recommended for replacement whenever the sending unit is serviced, this fuel tank sending unit lock ring securely retains the fuel pump assembly to the lock. Made of durable materials for reliable service.

Product Features:
  • Direct replacement – this fuel tank sending unit lock ring is made to match the fit and performance of the original ring on specific vehicle applications
  • Recommended for replacement whenever the sending unit is serviced, this fuel tank sending unit lock ring securely retains the fuel pump assembly to the lock
  • 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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Felpro – Fuel Pump Mounting Gasket (Part No.6579)

Fuel Pump Mounting Gasket

from

$2.99
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 for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Driveworks – MAP Sensor (Part No.31390)

MAP Sensor

from

$65.05
Driveworks® offers a line of aftermarket parts and accessories that are commercially acceptable and competitively priced, which provides professional technicians and DIYers with an affordable alternative for repairs.

Product Features:
  • Direct-fit OE replacement ensures ease of installation
  • Designed to meet OE performance
  • As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need
  • As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need
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Felpro – Exhaust Gas Recirculation (EGR) Valve Gasket (Part No.71098)

Exhaust Gas Recirculation (EGR) Valve Gasket

from

$5.49
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 for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
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Walker – Exhaust 35299 Oxygen Sensor Bung (Part No.35299)

Exhaust 35299 Oxygen Sensor Bung

from

$10.89
Walker®, with our worldwide OE partnerships and manufacturing facilities, possesses the technical excellence needed to meet today’s emissions control needs, while developing solutions for tomorrow’s challenges. Walker® is a ‘one-stop’ convenience, offerin

Product Features:
  • Used for HEGO connector when oxygen sensor is not required
  • Provides secure seal
  • New accessories help to ensure effective exhaust repairs
  • Walker® supplies all of the accessories you need to do the complete exhaust job
  • Walker® offers a full line of pipes and accessories
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Carquest Premium – Fuel Pump Pulsator A3541776 (Part No.A3541776)

Fuel Pump Pulsator A3541776

from

$47.99
Carquest Premium electric fuel pumps are built to meet or exceed Original Equipment (OE) specifications for fit, form and function. Our Carquest Premium fuel pumps are built to be installed in the Original Equipment module or assembly. We have invested in industry-leading quality upgrades, like upgraded turbine impellers and 100% carbon commutators, to deliver greater reliability. Carquest Premium electric fuel pumps are engineered with superior quality components to provide the longest life and reliable performance.

Product Features:
  • Meets or exceeds OE specifications for fit, form and function
  • 100% carbon commutators provide resistance to aggressive fuels and double the life expectancy of the pump
  • OE upgraded turbine impellers greatly reduce fuel pulsation
  • All fuel pumps are 100% performance tested
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NTK – Switching Oxygen Sensor: 4 Wire, 13.75" Long, Heated, Direct Fit (Part No.21006)

Switching Oxygen Sensor: 4 Wire, 13.75" Long, Heated, Direct Fit

from

$51.99
NTK 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, NTK 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: NTK 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, NTK Oxygen Sensors offer superior OE fit, form, function
  • OE TECHNOLOGY: Upgraded to the latest OE technologies, NTK 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: NTK 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
  • NTK ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability
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Felpro – Fuel Pump Mounting Gasket (Part No.70150)

Fuel Pump Mounting Gasket

from

$2.79
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 for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Delphi – EGR Valve (Part No.EG10021)

EGR Valve

from

$233.99
Delphi’s OE line of EGR valves provides accurate exhaust flow control and emission control; Designed and built using high-temperature and corrosion-resistant materials that perform exceptionally under all engine environments; Each valve and seat is precis

Product Features:
  • No spacers or washers are required and they come with gaskets for an exact fit, saving time and labor
  • All parts used in the manufacture process are Delphi validated, tested and matched to the vehicle application, and manufactured in a Delphi ISO certified facility
  • Delphi’s OE line of EGR valves provides accurate exhaust flow and emission control
  • Available in port, back pressure, and linear configurations to cover many engine applications
  • Designed and built using high-temperature and corrosion-resistant materials that perform exceptionally under all engine environments
  • Each valve and seat is precision machined, helping to maintain long-term stability and performance
  • No audible regulator noise
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Carquest Premium – Fuel Pump Module Assembly: Fuel Pump, Sending Unit, Wiring Harness and Strainer (Part No.M319676)

Fuel Pump Module Assembly: Fuel Pump, Sending Unit, Wiring Harness and Strainer

from

$166.99
Carquest Premium fuel pump modules and assemblies are engineered by Carter Fuel Systems or Agility Auto Parts to meet or exceed Original Equipment (OE) specifications for fit, form and function. We have invested in industry-leading quality improvements like upgraded turbine impellers and 100% carbon commutators to deliver greater reliability. Carquest Premium fuel pump modules are supplied with the pump strainer and gaskets or seals when required for the application. Carquest Premium fuel pump modules are engineered with superior quality components to provide the longest life and reliable performance.

Product Features:
  • Meets or exceeds OE specifications for fit, form and function
  • 100% carbon commutators provide resistance to aggressive fuels and double the life expectancy of the pump
  • OE upgraded turbine impellers greatly reduce fuel pulsation
  • All fuel pumps are 100% performance tested
  • Includes installation gaskets or seals where applicable
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Felpro – Fuel Injection Throttle Body Mounting Gasket (Part No.60759)

Fuel Injection Throttle Body Mounting Gasket

from

$5.29
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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Carquest Premium – Fuel Tank Selector Valve (Part No.FSC1007)

Fuel Tank Selector Valve

from

$76.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Carquest Premium – Fuel Injector Connector (Part No.AC761)

Fuel Injector Connector

from

$36.49
Pigtail connector allows replacement of damaged fuel injector connector.
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Dorman – Engine Smog Pump Pulley (Part No.300-912)

Engine Smog Pump Pulley

from

$24.49
This secondary air injection pump pulley is designed to match the fit and function of the original pulley on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this secondary air injection pump pulley is designed to match the fit and function of the original pulley on specified applications
  • Restores functionality – reliable replacement for an original pulley that 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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Delphi – Electric Fuel Lift Pump: 12V, With 2 Female Pin Terminals (Part No.HFP922)

Electric Fuel Lift Pump: 12V, With 2 Female Pin Terminals

from

$75.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part, comprehensive portfolio for a wide range of vehicles and model years.

Product Features:
  • 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 fuel filter when replacing the fuel pump
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ACDelco – 4-Way Male Gray Multi-Purpose Pigtail (Part No.PT1366)

4-Way Male Gray Multi-Purpose Pigtail

from

$72.99
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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1991 GMC C2500 Fuel and Emissions Systems

You count on your 1991 GMC C2500 to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Fuel and Emissions Systems. With 182 Fuel and Emissions Systems ranging in price from $1.29 to $1,050.05, you’re sure to find everything you need for your 1991 GMC C2500.

Brands matter. If you want to shop a specific Fuel and Emissions Systems brand, we stock 18 different brands like Carquest Premium, Felpro, and Delphi. 1991 GMC C2500 Fuel and Emissions Systems start as low as $1.29!

One of the best ways to find top quality OEM or aftermarket Fuel and Emissions Systems is by asking professionals. Short of that, you can shop with confidence thanks to our 8,658 extensive product reviews on 1991 GMC C2500 Fuel and Emissions Systems. Some of the top-rated Fuel and Emissions Systems products we carry are Oxygen Sensor: 1 Wire, 14.57" Long, Non-heated, Exact Fit with 4.4 stars and Locking Fuel Cap with 4.3 stars.

Did we mention you can order your Fuel and Emissions Systems from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Fuel and Emissions Systems inventory for your 1991 GMC C2500 below to get started!

Top-Rated Fuel and Emissions Systems Brands For Your 1991 GMC C2500

Trusted Fuel and Emissions Systems OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 1991 GMC C2500 running right for years to come. In our inventory you’ll find brands like Carquest Premium, Felpro, Delphi, and even more.

Popular Driveworks Fuel and Emissions Systems

You’ll find popular Driveworks brand products across Air Flow Sensors. All are waiting to get your 1991 GMC C2500 back on the road. Some of the top-rated Driveworks products in these categories are:
MAP Sensor
from $65.05
(12)
MAP Sensor
Manifold Air Pressure Sensors

Top-Rated Carquest Premium Fuel and Emissions Systems


If Carquest Premium are what you’re looking for, our inventory holds plenty. We stock Carquest Premium brand Fuel and Emissions Systems for your 1991 GMC C2500, and some of our most reviewed Carquest Premium parts include:

FAQs for 1991 GMC C2500 Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the 1991 GMC C2500?

Out of 182 Fuel and Emissions Systems for the 1991 GMC C2500, the most popular in our inventory are:
Fuel Pump Mounting Gasket
from $2.99
(26)
Fuel Pump Mounting Gasket
Fuel Pump Block-Off Plate Gaskets

What are the top-rated 1991 GMC C2500 Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your 1991 GMC C2500 based on customer reviews/ratings are:
Oxygen Sensor: 1 Wire, 14.57" Long, Non-heated, Exact Fit
from $31.99
(43)
Oxygen Sensor: 1 Wire, 14.57" Long, Non-heated, Exact Fit
“Fit correct. Performing properly”
Locking Fuel Cap
from $23.99
(35)
Locking Fuel Cap
“Had a check engine light and when I scanned it, calls for a new gas cap. Instead of buying oem from the dealer or just an ordinary gas cap from a part”
Fuel Tank Strap Hardware Kit
from $12.49
(34)
Fuel Tank Strap Hardware Kit
“Good thanks”