SKU #: MAH-GS33932 MPN #: GS33954

Mahle Fuel Return Line Seal Kit 01-04 GM 6.6L Duramax LB7

Name: Mahle Fuel Return Line Seal Kit 01-04 GM 6.6L Duramax LB7
Brand: MAHLE
Price: 17.99 USD
Availability: InStock

$17.99

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Mahle Fuel Return Line Seal Kit 01 04 GM 6.6L Duramax LB7

Description

Removing or replacing injectors on your Duramax? Want to make sure the fuel return system seals properly when everything goes back together? This MAHLE Fuel Injector Seal Kit is designed to restore a secure, leak-free seal for the injector return lines on 6.6L Duramax engines. During injector service, the factory return line gaskets are crush-style seals designed for one-time use, meaning they should always be replaced when injectors are removed. This kit provides the correct OE-style sealing components needed to reseal the fuel return system properly, helping prevent fuel leaks, fuel pressure loss, and drivability issues. Whether you're performing a full injector replacement or routine maintenance, the GS33932 ensures your Duramax fuel system remains sealed and operating as intended. The MAHLE GS33932 is manufactured to meet OEM-level standards, providing the same fit and sealing reliability as the original factory components. Built using high-quality sealing materials engineered to withstand constant exposure to diesel fuel, engine heat, and vibration, these precision-formed seals maintain long-term durability in demanding diesel environments. The kit features a direct-fit design for straightforward installation and proper sealing pressure when the injector return lines are reinstalled. As part of MAHLE’s OE gasket and sealing lineup, the GS33932 delivers dependable quality trusted by professional technicians and diesel engine builders worldwide.

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Removing or replacing injectors on your Duramax? Want to make sure the fuel return system seals properly when everything goes back together? This MAHLE Fuel Injector Seal Kit is designed to restore a secure, leak-free seal for the injector return lines on 6.6L Duramax engines. During injector service, the factory return line gaskets are crush-style seals designed for one-time use, meaning they should always be replaced when injectors are removed. This kit provides the correct OE-style sealing components needed to reseal the fuel return system properly, helping prevent fuel leaks, fuel pressure loss, and drivability issues. Whether you're performing a full injector replacement or routine maintenance, the GS33932 ensures your Duramax fuel system remains sealed and operating as intended.

The MAHLE GS33932 is manufactured to meet OEM-level standards, providing the same fit and sealing reliability as the original factory components. Built using high-quality sealing materials engineered to withstand constant exposure to diesel fuel, engine heat, and vibration, these precision-formed seals maintain long-term durability in demanding diesel environments. The kit features a direct-fit design for straightforward installation and proper sealing pressure when the injector return lines are reinstalled. As part of MAHLE’s OE gasket and sealing lineup, the GS33932 delivers dependable quality trusted by professional technicians and diesel engine builders worldwide.

Vehicle Fitment

2001-2004 GM 6.6L Duramax LB7

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.