• Cart

SKU #: MAH-F31911 MPN #: F31911

MAHLE EGR Valve Gasket 04.5-05 GM 6.6L Duramax LLY/LBZ

$4.93
Get 4 points in loyalty rewards
Description
Are you servicing the EGR system on your Duramax and need a reliable gasket to prevent exhaust leaks? The MAHLE EGR Valve Gasket is an OE-style replacement designed to create a tight, leak-free seal between the EGR valve and the intake manifold connection. When the original gasket becomes brittle or heat-damaged from repeated thermal cycling, exhaust gases can escape, leading to soot buildup, rough engine operation, or emissions system issues. Installing the F31911 restores proper sealing and helps maintain efficient EGR operation on GM 6.6L Duramax engines with the offset bolt pattern. Manufactured to meet or exceed OE specifications, the MAHLE F31911 features a durable steel gasket construction engineered to withstand extreme exhaust temperatures and pressure cycles within the EGR system. Precision stamping ensures accurate alignment and consistent sealing pressure between mating surfaces, helping prevent leaks even under demanding diesel engine conditions. Built with OE-grade materials and engineering, MAHLE gaskets provide dependable durability and long service life.

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

Are you servicing the EGR system on your Duramax and need a reliable gasket to prevent exhaust leaks? The MAHLE EGR Valve Gasket is an OE-style replacement designed to create a tight, leak-free seal between the EGR valve and the intake manifold connection. When the original gasket becomes brittle or heat-damaged from repeated thermal cycling, exhaust gases can escape, leading to soot buildup, rough engine operation, or emissions system issues. Installing the F31911 restores proper sealing and helps maintain efficient EGR operation on GM 6.6L Duramax engines with the offset bolt pattern.

Manufactured to meet or exceed OE specifications, the MAHLE F31911 features a durable steel gasket construction engineered to withstand extreme exhaust temperatures and pressure cycles within the EGR system. Precision stamping ensures accurate alignment and consistent sealing pressure between mating surfaces, helping prevent leaks even under demanding diesel engine conditions. Built with OE-grade materials and engineering, MAHLE gaskets provide dependable durability and long service life.

Vehicle Fitment
2004.5-2005 GM 6.6L Duramax LB7/LLY (With Offset Bolt Patter)
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.