2004 GMC Sierra 2500 HD Fuel Injectors

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

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

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
• Unsurpassed quality you can trust
• Validated for fit, form, and function

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
• Unsurpassed quality you can trust
• Validated for fit, form, and function

The components in this fuel injector O-ring kit are designed to match the fit of the original O-rings on specified vehicles. They are engineered to help ensure leak-free connections to the fuel injectors during service or when the rings are damaged.

Product Features:

• Direct replacements – the components in this fuel injector O-ring kit are designed to match the fit of the original O-rings on specified vehicles
• Ideal solution – engineered to help ensure leak-free connections to the fuel injectors during service or when the rings are damaged
• 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

Complete injector seal kit includes all necessary components to properly reseal four injectors on one bank of the Duramax LB7 engine.

Product Features:

• Premium OE quality materials
• Includes 4 injector body O-rings
• Includes 4 injector fuel fitting O-rings
• Includes 4 copper combustion seals
• Includes 4 fuel return rail banjo bolt seals
• Includes 1 return fitting banjo bolt seal

Complete injector seal kit includes all necessary components to properly reseal injector when installed. All parts in kit are manufactured using premium OE quality materials.

Product Features:

• Premium OE quality materials
• Includes injector body O-ring
• Includes injector fuel fitting O-ring
• Includes copper combustion seal

The components in this fuel injector O-ring kit are designed to match the fit of the original O-rings on specified vehicles. They are engineered to help ensure leak-free connections to the fuel injectors during service or when the rings are damaged.

Product Features:

• Direct replacements – the components in this fuel injector O-ring kit are designed to match the fit of the original O-rings on specified vehicles
• Ideal solution – engineered to help ensure leak-free connections to the fuel injectors during service or when the rings are damaged
• 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

With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:

• Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.

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

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

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

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 ring to ensure a leak-free connection
• Includes 100% replacement of the solenoid nut which provides corrosion resistance and accurate solenoid torque for optimal injector response time
• 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

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

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. This Carquest four-pack kit includes four cylinder-specific high-pressure fuel lines that should be replaced any time the injector is replaced. Replacing all four injectors at the same time with the fuel lines ensures a complete repair and reduces the chance premature injector failure due to contamination from the fuel line. This injector four-pack offers savings over purchasing single injectors and components separately.

Product Features:

• Includes four premium injectors and four fuel injector high-pressure lines
• 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 seal
• Includes application specific technical bulletin which highlights critical aspects of the job and offers technical tips for proper installation

The Carquest line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the USA. Injectors are thoroughly 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.

Product Features:

• Includes eight premium fuel injectors
• 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

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.

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

Delphi knows OE technology and how to service diesel systems. For more than 60 years, we have partnered with 25 OEM’s to bring our OE diesel powertrain knowledge and expertise to the aftermarket. Delphi diesel systems operate at high performance to meet today’s tough emissions standards and are built to OE specifications for the fit, form, and function technicians expect. Trust Delphi for an unrivalled, cost-effective diesel program to help build your business.

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

Delphi knows OE technology and how to service diesel systems. For more than 60 years, we have partnered with 25 OEM’s to bring our OE diesel powertrain knowledge and expertise to the aftermarket. Delphi diesel systems operate at high performance to meet today’s tough emissions standards and are built to OE specifications for the fit, form, and function technicians expect. Trust Delphi for an unrivalled, cost-effective diesel program to help build your business.

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

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.

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

This common rail diesel fuel injector has been thoroughly remanufactured using an exclusive process to ensure optimum quality and reliability. Critical components are replaced and clearances are verified after cleaning, reassembly and testing.

Product Features:

• Ideal replacement – this remanufactured common rail fuel injector restores lost performance from a fouled original equipment injector
• Thoroughly remanufactured – this fuel injector has been completely disassembled, cleaned, inspected, reassembled with new internal components and tested to be leak-free
• Cost-effective solution – offers original equipment quality at competitive price
• Quality tested – this part has undergone extensive testing to ensure a quality fit and long service life

This common rail diesel fuel injector has been thoroughly remanufactured using an exclusive process to ensure optimum quality and reliability. Critical components are replaced and clearances are verified after cleaning, reassembly and testing.

Product Features:

• Ideal replacement – this remanufactured common rail fuel injector restores lost performance from a fouled original equipment injector
• Thoroughly remanufactured – this fuel injector has been completely disassembled, cleaned, inspected, reassembled with new internal components and tested to be leak-free
• Cost-effective solution – offers original equipment quality at competitive price
• Quality tested – this part has undergone extensive testing to ensure a quality fit and long service life

Delphi’s history is one of OE heritage and quality. Our global technical requirements include design specifications and validation testing based on over 100 years of OE experience. Our material selections, material thickness, and material types are built from OE specifications to exceed aftermarket expectations. We put in place strict manufacturing processes to ensure quality control in every part we make. Delphi’s pioneering spirit delivers innovative solutions designed to support the aftermarket in servicing the vehicles of today, and tomorrow.

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

Delphi’s history is one of OE heritage and quality. Our global technical requirements include design specifications and validation testing based on over 100 years of OE experience. Our material selections, material thickness, and material types are built from OE specifications to exceed aftermarket expectations. We put in place strict manufacturing processes to ensure quality control in every part we make. Delphi’s pioneering spirit delivers innovative solutions designed to support the aftermarket in servicing the vehicles of today, and tomorrow.

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

The CARQUEST line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the USA Injectors are thoroughly 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.

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

The CARQUEST line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the USA Injectors are thoroughly 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.

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

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

Hitachi¿s 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 Hitachi¿s air flow sensors the premium choice.

Product Features:

• Meets the OE performance and durability standards for this application
• Welded connections instead of soldered for dependability
• Contaminant bypass port provides reliable operation and increases longevity
• Contaminant bypass port provides reliable operation and increases longevity
• Meets the OE performance and durability standards for this application
• Welded connections instead of soldered for dependability

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

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

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 airfuel 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

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 percent 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 percent 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 percent 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 percent.

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

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

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

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

Complete injector seal kit includes all necessary components to properly reseal injector when installed. All parts in kit are manufactured using premium OE quality materials.

Product Features:

• Premium OE quality materials
• Includes injector body O-ring
• Includes copper combustion seal
• Includes fuel return line clip

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

Complete kit includes banjo bolt seals to reseal injector fuel return rail manifold on Duramax LB7 engines.

Product Features:

• Original equipment fit, form and function
• Includes 4 fuel return rail banjo bolt seals
• Includes 1 return fitting banjo bolt seal