2003 GMC Sierra 2500 HD Fuel Injectors

Essential 2003 GMC Sierra 2500 HD Fuel Injectors

ACDelco – Fuel Injection Pressure Regulator Kit with Clip and Snap Ring (Part No.217-3073)

Fuel Injection Pressure Regulator Kit with Clip and Snap Ring

from

$112.99
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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Carquest – Fuel Injector Connector (Part No.PT5891)

Fuel Injector Connector

from

$43.99
BWD is an aftermarket leader, providing a premium line of engine management products. BWD manufactures and distributes high technology critical components for late model domestic and import vehicles. BWD is constantly evolving to give customers the competitive edge they need to compete in today’s ever-changing marketplace.

Product Features:
  • Our knock sensors are designed to respond to knock frequencies up to 1000 Hz accommodating shifts in engine knock frequency making it a more flexible sensor responding to correct engine knock over a broad range of vehicle conditions
  • Manufacturing processes include an automated data acquisition system to continuously monitor the sensor output to ensure that it responds with appropriate voltage output at the specified frequency range
  • All units are 100% tested using an accelerometer vibration test to ensure trouble-free operation
  • Featuring the broadest sensor coverage in the market, we meet the service professionals needs with the highest quality product every time he opens the box
  • BWD is a global manufacturer of original equipment ignition products, complete quality control is maintained through the manufacturing process from componentry to finished product
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Bosch – Diesel Fuel Injector Pump Pressure Relief Valve (Part No.1110010036)

Diesel Fuel Injector Pump Pressure Relief Valve

from

$125.99
Bosch is the leading OE supplier of diesel fuel systems for diesel passenger cars, SUVs, van & pickup trucks.

Product Features:
  • 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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Carquest Premium – Fuel Injector Sleeve (Part No.AC20462)

Fuel Injector Sleeve

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$38.49
Product Features:
  • Original equipment fit, form and function
  • Includes premium OE quality o-rings
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Cardone – Fuel Injector Control Module (Part No.77-0664)

Fuel Injector Control Module

from

$714.99
CARDONE Remanufactured Fuel Injector Control Modules are engineered for quick installation and no comebacks. Each unit is engineered to meet or exceed O.E.M performance. All modules are 100% computerized tested and resolder of critical components, as well as 100% replacement of common ware components, ensuring superior electrical connections.

Product Features:
  • All modules are 100% tested with automated computerized test equipment to ensure functionality and reliable
  • 100% resolder 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
  • Guaranteed fit and function
  • Meets or exceeds O.E.M performance
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Cardone – Fuel Injector Control Module (Part No.77-0663)

Fuel Injector Control Module

from

$674.99
CARDONE Remanufactured Fuel Injector Control Modules are engineered for quick installation and no comebacks. Each unit is engineered to meet or exceed O.E.M performance. All modules are 100% computerized tested and resolder of critical components, as well as 100% replacement of common ware components, ensuring superior electrical connections.

Product Features:
  • All modules are 100% tested with automated computerized test equipment to ensure functionality and reliable
  • 100% resolder 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
  • Guaranteed fit and function
  • Meets or exceeds O.E.M performance
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Dorman – Diesel Fuel Cooler (Part No.904-180)

Diesel Fuel Cooler

from

$206.99
This fuel cooler is designed to match the fit and function of the original cooler on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this fuel cooler is designed to match the fit and function of the original cooler on specified vehicles
  • Restores functionality – reliable replacement for an original cooler that has failed due to collision, road debris or corrosion
  • 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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Dorman – Fuel Cooler (Part No.E3025702810DOR)

Fuel Cooler

from

$349.77
Fuel Cooler

Hitachi – Air Flow Sensor – New Actual OE Part (Part No.MAF0120)

Air Flow Sensor - New Actual OE Part

from

$75.99
Hitachis Air Flow Sensors (MAFs) measure the amount and characteristics of air entering the engine. Hitachi uses precision elements and high-quality components for enhanced durability and accurate air flow measurements. Hitachi MAFs are 100% air flow tested for ideal performance and are calibrated for each application ensuring your vehicle meets the strict emission standards set by the manufacturer. Details such as a contaminant bypass port (when applicable) and protected circuitry providing a durable and reliable product approved by OE manufacturers makes Hitachis air flow sensors the premium choice.

Product Features:
  • Hitachi is a Tier 1 OE supplier for air flow sensors
  • 100% NEW, never remanufactured
  • Hitachi’s advanced precision elements and high quality components provide enhanced durability. We feature exact fitment and calibration for each vehicle, which assists engine efficiency and fuel mileage. Our sensors are 100% air flow tested to meet exac
  • Precision manufactured and assembled sensing elements for accurate air flow measurements
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Cardone – Mass Air Flow Sensor (Part No.74-50074)

Mass Air Flow Sensor

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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Dorman – Fuel Inj. Return Lin (Part No.C1017829278DOR)

Fuel Inj. Return Lin

from

$27.40
Fuel Inj. Return Lin

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

Fuel Injection Throttle Body Mounting Gasket

from

$13.99
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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MAHLE Original – Fuel Injector Seal Kit (Part No.GS33578A)

Fuel Injector Seal Kit

from

$67.99
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
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MAHLE Original – Injector O-Rings (Part No.GS33500A)

Injector O-Rings

from

$6.99
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
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GB Remanufacturing – Fuel Injector O-Ring (Part No.C1012224185GBR)

Fuel Injector O-Ring

from

$10.94
Fuel Injector O-Ring

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

Sprint Booster

from

$297.99
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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GM Genuine Parts – Fuel Injection Throttle Control Actuator Module (Part No.12590008)

Fuel Injection Throttle Control Actuator Module

from

$182.99
GM Genuine Parts Fuel Injection Throttle Control Actuator Modules are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These modules are electrically operated motor assemblies that control throttle plates. They receive an electrical signal from the engine control module and open throttle plates based on input from the accelerator pedal module. 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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Carquest – Fuel Injector (Part No.67562)

Fuel Injector

from

$582.05
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • Designed to OE standards for ease of installation
  • State-of-the-art designs that meet or exceed OE specifications
  • Top-of-the-line quality and performance
  • With industry leading expertise, when original equipment fails our products are designed to fix the inherent failure issues
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Cardone – Fuel Injector (Part No.2J-109)

Fuel Injector

from

$859.99
CARDONE Remanufactured Fuel Injectors provide an alternative plug and play solution to fuel delivery for diesel applications. All units are flow tested and balanced and replaced with new O-rings and gaskets. Each unit retains OEM duty cycle and pulse width ensuring reliable performance. All units are built to meet or exceed OEM performance, providing a quality product both you and your vehicle can rely on.

Product Features:
  • All gaskets, O-rings and bearings are replaced 100% to ensure optimal performance
  • Each assembled unit is individually calibrated and tested to ensure it meets or exceeds O.E.M. form, fit and function
  • All components are renewed or replaced as necessary to ensure high quality and durability
  • When applicable, improvements based on typical failure modes of original units are incorporated into the design and manufacture of replacement component parts, which translates into longer service life and less down-time for the driver
  • Guaranteed fit and function
  • Meets or exceeds O.E.M. performance
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Dorman – Fuel Control Actuator (Part No.904-575)

Fuel Control Actuator

from

$299.99
This fuel pressure regulator is engineered to match the function of the original equipment regulator on specified vehicles. It is engineered to help ensure proper fuel injection pressure when the original regulator has failed or is malfunctioning.

Product Features:
  • Direct replacement – this fuel pressure regulator is designed to match the fit and function of the original equipment regulator on specified vehicle
  • Ideal solution – engineered to help ensure proper fuel injection pressure when the original regulator has failed or is malfunctioning
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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GM Genuine Parts – Fuel Injection Fuel Rail O-Ring Kit with 3 O-Rings (Part No.17113552)

Fuel Injection Fuel Rail O-Ring Kit with 3 O-Rings

from

$36.99
GM Genuine Parts Fuel Injection Fuel Rail O-Ring 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:
  • 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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Carquest Premium – Fuel Injector Seal Kit (Part No.AS009)

Fuel Injector Seal Kit

from

$2.99
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. Each kit services one injector and includes hard to find or previously dealer-only components.

Product Features:
  • Premium OE quality materials
  • Services one injector
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Felpro – Fuel Injector O-Ring Kit (Part No.ES 73217)

Fuel Injector O-Ring Kit

from

$25.49
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
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

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

Fuel Injector Retainer Kit with Clip

from

$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
See More

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

Diesel Fuel Rail Return Line Gaskets

from

$25.49
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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2003 GMC Sierra 2500 HD Fuel Injectors

Maybe you’re in the middle of a full rebuild of that 2003 GMC Sierra 2500 HD. Maybe you just need a couple of Fuel Injectors. Either way, Advance Auto Parts has 63 different Fuel Injectors in our inventory ranging from $2.99 to $1,058.99. That means you can find the exact parts or products you need to keep that 2003 GMC Sierra 2500 HD running smoothly.

Fuel Injectors are only as good as their brand. We stock 15 different brands to make sure you have plenty of trusted parts to choose from for your 2003 GMC Sierra 2500 HD. Carquest Premium, Delphi, and Carquest are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Fuel Injectors for your 2003 GMC Sierra 2500 HD, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 540 reviews in this category, some of the top rated parts include Remanufactured Fuel Injector with 3.7 stars and Injector O-Rings with 5.0 stars.

So if you’re in the market for aftermarket Fuel Injectors to keep your 2003 GMC Sierra 2500 HD rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Fuel Injectors Brands To Make Your 2003 GMC Sierra 2500 HD Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 GMC Sierra 2500 HD demands trusted brand parts and products to keep it running. Many trusted brands of Fuel Injectors make up Advance Auto Parts’ inventory, and all are ready to help make your Sierra 2500 HD the best it can be. Be sure to browse some of our top Fuel Injectors brands and parts.

Popular Cardone Fuel Injectors

We carry Cardone parts in our stock across Fuel Injector Control Modules categories, plus more. For a 2003 GMC Sierra 2500 HD, our most popular Cardone Fuel Injectors include:
Fuel Injector Control Module
from $674.99
(1)
Fuel Injector Control Module
Fuel Injector Control Modules

Top 2003 GMC Sierra 2500 HD Fuel Injectors from Carquest

Carquest products are another trusted brand when it comes to Fuel Injectors for your 2003 GMC Sierra 2500 HD. Popular Carquest parts include:
Fuel Injection Pressure Regulator
from $82.99
(21)
Fuel Injection Pressure Regulator
Pressure Regulators
Fuel Injector
from $113.99
(6)
Fuel Injector
Fuel Injectors
Fuel Injector
from $464.99
(1)
Fuel Injector
Fuel Injectors

FAQs for 2003 GMC Sierra 2500 HD Fuel Injectors

What are the most purchased Fuel Injectors for the 2003 GMC Sierra 2500 HD?

Out of 63 Fuel Injectors for the 2003 GMC Sierra 2500 HD, the most popular in our inventory are:
Mass Air Flow Sensor (MAF) - 100% NEW
from $89.99
(2)
Mass Air Flow Sensor (MAF) – 100% NEW
Air Flow Meters and Mass Air
Mass Air Flow Sensor
from $129.99
(21)
Mass Air Flow Sensor
Air Flow Meters and Mass Air
Fuel Injector Seal Kit
from $2.99
This product is not rated
Fuel Injector Seal Kit
Fuel Injector O-Ring Kits

What are the top-rated 2003 GMC Sierra 2500 HD Fuel Injectors?

Top-rated Fuel Injectors for your 2003 GMC Sierra 2500 HD based on customer reviews/ratings are:
Remanufactured Fuel Injector
from $64.99
(3)
Remanufactured Fuel Injector
“Injector works as anticipated!”
Injector O-Rings
from $6.99
(2)
Injector O-Rings
“What i needed and installed easily”
Air Flow Sensor - New Actual OE Part
from $143.99
(2)
Air Flow Sensor – New Actual OE Part
“Fixed issue on duramax lly. Had aftermarket one in previously and it failed in a few months. Oem works best”