Mahle HS54059 Engine Cylinder Head Gasket Set

Mahle HS54059 Cylinder Head Gasket Set

Mahle HS54059 is an OEM-standard engine cylinder head gasket set built for reliable sealing in service work on select GM midsize cars. It combines a graphite cylinder head gasket with multi-layered steel exhaust manifold sealing and molded rubber intake manifold sealing for a precise repair on the listed applications.

Key Features

• OEM-standard engine cylinder head gasket set for professional repair work
• Graphite cylinder head gasket material for dependable sealing performance
• Multi-layered steel exhaust manifold gasket material for heat resistance
• Molded rubber intake manifold gasket material for consistent fit
• Torque-to-yield application noted for the listed vehicles
• Additional package contents include miscellaneous gaskets and seals
• Cylinder head bolts are not included

Product Details

Mahle is known for sealing products used by OEMs and technicians worldwide, and the HS54059 follows that approach with application-specific materials chosen for engine service. This part cross-references FEL-PRO HS 9957 PT for the same application. It is listed for 1993-1996 Buick Century, Buick Regal, Buick Skylark, Chevrolet Corsica, Chevrolet Lumina, Chevrolet Monte Carlo, Oldsmobile Achieva, Oldsmobile Cutlass Ciera, Oldsmobile Cutlass Cruiser, Oldsmobile Cutlass Supreme, Pontiac Grand Am, and Pontiac Grand Prix. Search terms such as 1995 Buick Regal head gasket set, 1994 Chevrolet Corsica cylinder head gasket kit, and 1996 Pontiac Grand Prix engine gasket set all point to this application family.

Common Repair Uses

• Head gasket replacement after coolant or compression loss
• Sealing service for intake and exhaust manifold interfaces
• Repair of external oil or coolant leaks at gasket surfaces
• Restoration after cylinder head removal during engine service
• Replacement for worn OE-style sealing components on listed GM vehicles

Installation Notes

Verify engine code, gasket design, and the first-design intake gasket note before installation. Cylinder head bolts are not included, and torque-to-yield applications typically require new bolts during reassembly. Exhaust pipe gasket is not included on the listed fitments, so confirm all required sealing components before beginning the job. Clean mating surfaces thoroughly and follow the factory torque sequence and angle procedure for the vehicle.

Quality Assurance

Mahle sealing products are used in OEM and professional repair environments, and the HS54059 is built to OEM-standard expectations for the listed applications. The part number HS54059 is intended for direct service use on the specified Buick, Chevrolet, Oldsmobile, and Pontiac models.