• Cart

SKU #: MAH-GS33505A MPN #: GS33505A

MAHLE Fuel Injector Seal Kit 04.5-06 GM 6.6L Duramax

$5.44
Get 5 points in loyalty rewards
Description
Is it time to replace the injectors on your Duramax and want to prevent leaks and poor fuel delivery? The MAHLE Fuel Injector Seal Kit is designed to reseal your injectors and restore performance in 6.6L Duramax engines. When injector seals wear out or become damaged during removal, they can cause engine misfires, rough idling, hard starting, and significant power loss, reducing engine efficiency and creating drivability problems. This OE-quality seal kit provides the components needed to reseal one injector, helping maintain proper fuel system pressure and ensuring your injectors operate exactly as intended. Whether you're replacing injectors or performing preventative maintenance, the GS33505A helps deliver the leak-free fit and reliability diesel owners expect. This MAHLE kit is designed to meet or exceed factory specifications. These precision-manufactured seals provide a tight, reliable fit that helps prevent leaks and maintain proper injector positioning. Each kit services one injector and is built to deliver the same level of sealing integrity trusted by OEM manufacturers and professional technicians.

Enter your zip and we'll see if installation is available.

  • Request quotes from local installers at checkout
  • Compare options and choose the best fit for your install

Is it time to replace the injectors on your Duramax and want to prevent leaks and poor fuel delivery? The MAHLE Fuel Injector Seal Kit is designed to reseal your injectors and restore performance in 6.6L Duramax engines. When injector seals wear out or become damaged during removal, they can cause engine misfires, rough idling, hard starting, and significant power loss, reducing engine efficiency and creating drivability problems. This OE-quality seal kit provides the components needed to reseal one injector, helping maintain proper fuel system pressure and ensuring your injectors operate exactly as intended. Whether you're replacing injectors or performing preventative maintenance, the GS33505A helps deliver the leak-free fit and reliability diesel owners expect.

This MAHLE kit is designed to meet or exceed factory specifications. These precision-manufactured seals provide a tight, reliable fit that helps prevent leaks and maintain proper injector positioning. Each kit services one injector and is built to deliver the same level of sealing integrity trusted by OEM manufacturers and professional technicians.

Vehicle Fitment
2004.5-2006 GM 6.6L Duramax
WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
About MAHLE

MAHLE's reputation speaks for itself. As a leading global supplier of high-quality engine components, trusted in both passenger and commercial vehicles. Their parts, such as pistons, gaskets, and engine components, keep diesel engines running stronger for longer, making them a go-to choice for heavy-duty trucks and high-performance applications.

As a leading global development partner for the automotive and engine industry, MAHLE offers unique systems competence in the internal combustion engine and engine peripherals. MAHLE Motorsports has a drive towards performance by building engine components, such as the MAHLE MonoTherm pistons, to distinctly service high-performance diesel engines. The MAHLE division is most notable for building quality OE replacement gasket sets that are a cut above the rest.

Founded in 1920, MAHLE has been shaping the future of mobility for over a century. With 22 North American factories supplying OEMs across passenger cars and heavy vehicles, and 135 factories worldwide supported by 11 technology centers and more than 5,000 engineers, MAHLE has built a reputation for innovation, durability, and expertise. Today, one in every two vehicles globally features MAHLE components, a testament to their long-standing commitment to quality and reliability.