Mahle 55351 Engine Cylinder Head Gasket

Engine Sealing for GM Applications

The Mahle 55351 cylinder head gasket is a multi-layered steel sealing component for select Chevrolet and GMC engines. It is built for applications where reliable combustion sealing and coolant/oil separation are critical.

• Multi-layered steel construction for cylinder head sealing
• Fits select Chevrolet Express, Silverado, and GMC Savana and Sierra applications
• Engineered for direct replacement use in listed GM fitments
• Mahle gasket technology trusted by OEMs and technicians

Fitment Details

Compatible with 2020-2023 Chevrolet Express 2500, N/A; 2020-2023 Chevrolet Express 3500, N/A; 2020-2021 Chevrolet Silverado 1500, N/A; 2018-2019 Chevrolet Express 2500, N/A; 2018-2019 Chevrolet Express 3500, N/A; 2014-2019 Chevrolet Silverado 1500, N/A; 2020-2023 GMC Savana 2500, N/A; 2020-2023 GMC Savana 3500, N/A; 2020-2021 GMC Sierra 1500, N/A; 2018-2019 GMC Savana 2500, N/A; 2018-2019 GMC Savana 3500, N/A; 2014-2019 GMC Sierra 1500, N/A.

This part cross-references General Motors (e.g., 12632968) for the same application.

Common Repair Uses

• Restores cylinder head sealing after gasket failure
• Addresses coolant and oil leakage between engine passages
• Helps correct compression loss from a damaged head gasket
• Supports repair after overheating-related sealing damage

Installation Notes

For 2014-2019 Chevrolet Silverado 1500, 2018-2019 Chevrolet Express 2500 and 3500, and 2018-2019 GMC Savana 2500 and 3500, replacement of cylinder head bolts is necessary for proper installation of the multi-layered steel gasket. Verify engine code and gasket match before installation.

Quality Assurance

MAHLE gaskets are used by OEMs and technicians worldwide for sealing performance in engine repair applications.