from

$281.99

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

Product Features:

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

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$99.99

A common problem on the Duramax LLY engine is contamination of the fuel fittings resulting in injector failure when serviced. Corrosion can form between the line and injector nut and fall into the injector when the line is removed or installed. Replacing the line at time of injector replacement or service is highly recommended to reduce injector failure due to contamination. CARQUEST premium fuel lines meet or exceed critical OE performance specifications for sealing and burst pressure.

Product Features:

Premium OE quality materials
Cylinder specific exact-fit geometry ensures a leak free connection
Precision machined fittings with corrosion resistant plating

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$94.99

A common problem on the Duramax LLY engine is contamination of the fuel fittings resulting in injector failure when serviced. Corrosion can form between the line and injector nut and fall into the injector when the line is removed or installed. Replacing the line at time of injector replacement or service is highly recommended to reduce injector failure due to contamination. CARQUEST premium fuel lines meet or exceed critical OE performance specifications for sealing and burst pressure.

Product Features:

Premium OE quality materials
Cylinder specific exact-fit geometry ensures a leak free connection
Precision machined fittings with corrosion resistant plating

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$3.49

GM Genuine Parts Multi Purpose Seals 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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$3.99

GM Genuine Parts Multi Purpose Seals 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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$5.49

GM Genuine Parts Seal Rings 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 Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
Original equipment parts are designed to work with your GM vehicle safety systems – aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
GM regularly updates production and service part designs to integrate new materials and technologies

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$392.99

GM Genuine Parts Diesel Fuel Injector Driver Modules are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These modules control the voltage delivered to your vehicle’s diesel engine fuel injectors. These modules help to maintain optimum fuel pressure and fuel delivery to your vehicle’s engine. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

Helps control voltage delivered to diesel engine fuel injectors
Helps maintain fuel pressure and fuel delivery to engine
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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$28.49

This diesel fuel injector driver module resistor is designed to match the fit and function of the original resistor on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

Direct replacement – this diesel fuel injector driver module resistor is designed to match the fit and function of the original resistor on specified vehicles
Ideal solution – this module resistor is a reliable replacement for an original part that has failed due to heat or vibration
Durable construction – this resistor 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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$4.29

This diesel exhaust fluid (DEF) filler cap is designed to match the fit and function of the original cap on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

Direct replacement – this diesel exhaust fluid (DEF) filler cap is designed to match the fit and function of the original cap on specified vehicles
Restores functionality – reliable replacement for an original cap that is leaking or failed due to wear
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