Mahle - Valve Cover Gasket Set - VS50966

The Mahle valve cover gasket set (part #VS50966) is a direct-fit replacement designed to restore a proper seal between the valve covers and cylinder heads on 2017–2021 GM 6.6L Duramax L5P diesel engines. This complete set includes both left and right valve cover gaskets and is manufactured to meet or exceed original equipment specifications for long-lasting sealing performance.

Key Features

• Complete valve cover gasket set including left and right valve cover gaskets
• Direct-fit replacement for factory valve cover gaskets
• Manufactured to meet or exceed original equipment specifications
• Helps prevent oil leaks caused by heat, age, and gasket deterioration
• Designed for reliable, long-lasting sealing performance

Compatibility & Installation Notes

• Fits 2017–2021 Chevrolet Silverado 2500 HD and 3500 HD equipped with the 6.6L Duramax L5P diesel
• Fits 2017–2021 GMC Sierra 2500 HD and 3500 HD equipped with the 6.6L Duramax L5P diesel
• Includes both left and right valve cover gaskets
• Recommended to replace the gaskets whenever the valve covers are removed for service
• Ensure all sealing surfaces are clean and free of old gasket material before installation

Prop 65 Warning

WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov.