DORMAN 904-171 VALVE COVER AND ROCKER BOX GASKET KIT 2004.5-2010 GM 6.6L DURAMAX LLY/LBZ/LMM

Detailed Applications

Product Specifications

OE Numbers

The DORMAN 904-171 Valve Cover and Rocker Box Gasket Kit for 2004.5-2010 GM 6.6L Duramax LLY/LBZ/LMM engines is the ultimate solution for ensuring peak performance and reliability in your vehicle. Designed as a direct replacement for the original equipment gasket, this kit matches the fit, function, and performance of the factory-installed component. Crafted from high-quality silicone, the gaskets provide a durable seal capable of withstanding the harshest underhood conditions, ensuring a long-lasting and secure connection.

This gasket kit is an ideal choice when replacing a worn or damaged original gasket. It serves as a dependable fix that keeps your engine running smoothly while preventing leaks that could lead to costly damage over time. Each gasket is manufactured under stringent specifications, guaranteeing reliable performance and a perfect fit every time.

The DORMAN 904-171 is backed by a team of dedicated product experts in the United States, who possess over a century of combined automotive experience. Their commitment to quality and performance means you can trust this product to meet high standards and deliver exceptional results.

Packaged neatly in a box, the kit includes one valve cover gasket and one rocker box gasket, with a thickness of 3 mm that ensures a secure seal. The gaskets are designed for easy installation, making it straightforward for mechanics and DIY enthusiasts alike to upgrade their vehicle's engine components.

With direct OE cross numbers 97312341 and 97321295 from General Motors, the DORMAN 904-171 Valve Cover and Rocker Box Gasket Kit is a reliable and efficient choice for maintaining your GM Duramax engine's integrity and performance. Enjoy peace of mind with this trustworthy product designed for exceptional quality and longevity.