Mahle HS4878 Engine Cylinder Head Gasket Set

Mahle HS4878 Cylinder Head Gasket Set

Mahle HS4878 is an OEM-standard engine cylinder head gasket set built for sealing performance in select Chevrolet and GMC truck, van, and Suburban applications. It uses a graphite cylinder head gasket, multi-layered steel exhaust manifold gasket material, and a paper intake manifold gasket material to support reliable sealing across critical engine interfaces.

Key Features

• OEM Standard grade for factory-style service replacement
• Graphite cylinder head gasket material for dependable sealing
• Multi-layered steel exhaust manifold gasket material for heat resistance
• Paper intake manifold gasket material
• Torque-to-yield application noted for proper fastener service planning
• Additional miscellaneous gaskets and seals included
• Cylinder head bolts not included

Detailed Description

Mahle HS4878 is engineered for engine rebuild and head gasket service where accurate sealing is critical. MAHLE gaskets are used by OEMs and technicians worldwide, and this set follows that service-focused approach with materials selected for the cylinder head, intake, and exhaust sealing surfaces. It is a direct-fit option for 1991-1995 Chevrolet C2500, 1991-1995 Chevrolet C3500, and 1991-1995 GMC K3500 applications, along with other listed Chevrolet and GMC models from 1991-1995.

This part cross-references FEL-PRO HS 8523 PT-2 and General Motors 10181395 for the same application. The Mahle HS4878 part number is also commonly searched by buyers comparing OE-style gasket sets for Chevrolet and GMC engine repair.

What This Part Helps Address

• Coolant or combustion leakage at the cylinder head sealing surface
• Intake manifold sealing issues that can affect engine vacuum and drivability
• Exhaust manifold sealing concerns caused by heat cycling and age
• Oil seepage from worn engine gasket surfaces
• Leak-related repair needs during cylinder head service or engine teardown

Installation Notes and Tips

Confirm engine code and gasket match before installation. Because this is a torque-to-yield application, cylinder head bolt replacement is recommended, and the bolts are not included with Mahle HS4878. Exhaust pipe gasket is not included. Clean all mating surfaces thoroughly, follow the factory torque sequence, and use the correct tightening procedure for the specific Chevrolet or GMC engine being serviced. Verify fitment for your exact C2500, K2500, or P30 application before assembly.

Quality Assurance

Mahle manufactures sealing products used in OEM and professional repair environments, and this gasket set is built to OEM-standard expectations for service work on Chevrolet and GMC engines. Mahle HS4878 is intended for accurate sealing performance in the listed 1991-1995 applications.