2003 GMC Sierra 3500 Fuel Injectors

Your 2003 GMC Sierra 3500 might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Fuel Injectors you desperately need.

We currently carry 12 Fuel Injectors to choose from for your 2003 GMC Sierra 3500, and our inventory prices range from as little as $43.99 up to $1,058.99.

On top of low prices, Advance Auto Parts offers 6 different trusted brands of Fuel Injectors for the 2003 GMC Sierra 3500. We only sell parts from trusted brands like Carquest so that you can find quality parts you can count on.

Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 30 reviews on our Fuel Injectors for the 2003 GMC Sierra 3500 from previous customers.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Fuel Injectors stock in-person!

Fuel Injectors for Your 2003 GMC Sierra 3500

Carquest – Fuel Injector (Part No.67363)

Fuel Injector

from

$113.99
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
  • Precision-wound and precision-trimmed solenoid windings allow the computer to command efficient delivery of fuel
  • High-temp Viton® O-rings enable prolonged sealing of injector under extreme heat conditions
  • Fiber-optic yttrium aluminum garnet “YAG” laser welding and 100 million cycle testing ensure quality in every box
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Carquest Premium – Remanufactured Fuel Injector (Part No.A211-1803)

Remanufactured Fuel Injector

from

$58.99
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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Carquest – Fuel Injector (Part No.63877)

Fuel Injector

from

$464.99
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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ACDelco – Multi-Port Fuel Injector (Part No.17113698)

Multi-Port Fuel Injector

from

$113.99
ACDelco GM Original Equipment Fuel Injectors are electro-magnetic valves that meter fuel into the engine’s intake manifold or cylinders for combustion, and are GM-recommended replacements for your vehicle’s original components. The engine control module (ECM) operates the injector by applying an electric current to the injector solenoid winding, causing the needle valve to open, and allowing pressurized fuel to be atomized into the intake airstream. These original equipment fuel injectors 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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Carquest Premium – Remanufactured Diesel Fuel Injector (Part No.AD25023)

Remanufactured Diesel Fuel Injector

from

$275.99
CARQUEST premium remanufactured injectors are completely torn down, ultrasonically cleaned, inspected and remanufactured using premium components. Each injector is 100% tested on a sophisticated flow bench under multiple operating parameters to meet or exceed OE specifications.

Product Features:
  • Each unit is 100% tested to OE specifications
  • Includes 100% replacement of the fuel fitting, edge filter and retaining pin to ensure a leak-free connection
  • Includes 100% new stator solenoid to ensure precise fuel injection timing
  • 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 gasket
  • Includes application specific technical bulletin which highlights critical aspects of the job and offers technical tips for proper installation
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Bosch – Diesel Fuel Injector 0986435521: Remanufactured (Part No.0986435502)

Diesel Fuel Injector 0986435521: Remanufactured

from

$235.99
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
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Cardone – Fuel Injector (Part No.2J-101)

Fuel Injector

from

$545.99
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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Carquest Premium – REMAN FUEL INJECTOR (Part No.AD25023-4PK)

REMAN FUEL INJECTOR

from

$1058.99
REMAN FUEL INJECTOR

Delphi – Fuel Injector (Part No.EX631045)

Fuel Injector

from

$397.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part.

Product Features:
  • 100% O-ring replacement
  • All Delphi injectors are tested utilizing OE methodologies
  • Delphi injectors are produced in a Delphi ISO 9001:2008 certified facility
  • No internal seal rings equals minimized leakage
  • Recessed fuel exit minimizing possible plugging
  • Reduced spray variation, accurate fuel spray pattern mean better emissions and cold start capabilities
  • Thermally isolates fuel from engine by drawing manifold heat away from the fuel rail eliminating engine hesitation due to vapor lock
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Delphi – Fuel Injector (Part No.FJ10062)

Fuel Injector

from

$165.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part.

Product Features:
  • 100% O-ring replacement
  • All Delphi injectors are tested utilizing OE methodologies
  • Delphi injectors are produced in a Delphi ISO 9001:2008 certified facility
  • No internal seal rings equals minimized leakage
  • Recessed fuel exit minimizing possible plugging
  • Reduced spray variation, accurate fuel spray pattern mean better emissions and cold start capabilities
  • Thermally isolates fuel from engine by drawing manifold heat away from the fuel rail eliminating engine hesitation due to vapor lock
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Delphi – Fuel Injector (Part No.FJ10494)

Fuel Injector

from

$140.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part.

Product Features:
  • 100% O-ring replacement
  • All Delphi injectors are tested utilizing OE methodologies
  • Delphi injectors are produced in a Delphi ISO 9001:2008 certified facility
  • No internal seal rings equals minimized leakage
  • Recessed fuel exit minimizing possible plugging
  • Reduced spray variation, accurate fuel spray pattern mean better emissions and cold start capabilities
  • Thermally isolates fuel from engine by drawing manifold heat away from the fuel rail eliminating engine hesitation due to vapor lock
See More

Carquest Premium – Reman Multi Port Fuel Injector (Part No.A211-1843)

Reman Multi Port Fuel Injector

from

$43.99
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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FAQs for 2003 GMC Sierra 3500 Fuel Injectors

What are the most popular Fuel Injectors for the 2003 GMC Sierra 3500?

With 6 brands you can trust, our most popular Fuel Injectors for the 2003 GMC Sierra 3500 parts are:
Fuel Injector
from $113.99
(6)
Fuel Injector
Fuel Injectors
Remanufactured Fuel Injector
from $58.99
(3)
Remanufactured Fuel Injector
Fuel Injectors
Multi-Port Fuel Injector
from $113.99
This product is not rated
Multi-Port Fuel Injector
Fuel Injectors