Mahle HS54356A Engine Cylinder Head Gasket Set

Mahle HS54356A Cylinder Head Gasket Set

The Mahle HS54356A engine cylinder head gasket set is built for OEM-standard sealing performance in select Cadillac applications. It combines a graphite cylinder head gasket with multi-layered steel exhaust manifold gasket material and molded rubber intake manifold gasket material for a service-ready sealing solution.

Compatible with 1995-1999 Cadillac DeVille, 1995-1999 Cadillac Eldorado, and 1995-1999 Cadillac Seville, this set supports head gasket service where reliable sealing across combustion, intake, and exhaust interfaces is required. The Mahle HS54356A is a direct-fit option for technicians and owners servicing these Cadillac models.

Key Features

• OEM Standard item grade for factory-style sealing performance
• Graphite cylinder head gasket material
• Multi-layered steel exhaust manifold gasket material
• Molded rubber intake manifold gasket material
• Contains miscellaneous gaskets and seals for related sealing points
• Torque-to-yield application
• Cylinder head bolts not included

Detailed Product Overview

Mahle is known for sealing products used by OEMs and technicians worldwide, and the HS54356A follows that approach with materials selected for engine service accuracy. This set is suited for Cadillac DeVille, Cadillac Eldorado, and Cadillac Seville models from 1995 through 1999, including applications where cylinder head bolt replacement is recommended during repair. This part cross-references FEL-PRO (e.g., HS 26150 PT-1) for the same application.

Common Repair Applications

• Head gasket failure causing coolant loss or combustion leakage
• Intake manifold sealing issues that can trigger vacuum leaks
• Exhaust manifold gasket leakage that can create noise or exhaust odor
• Oil or coolant seepage at related engine sealing surfaces
• Service replacement after cylinder head removal on 1995-1999 Cadillac DeVille, Eldorado, or Seville

Installation Notes and Tips

Confirm all mating surfaces are clean, flat, and free of old gasket material before installation. Because this is a torque-to-yield application and cylinder head bolts are not included, follow the vehicle service procedure for bolt replacement and tightening sequence. Review the fitment notes for each Cadillac application, including the note that the water pump mounting gasket is not included.

Quality Assurance

Mahle gaskets are engineered as OEM-standard sealing components and are trusted in professional engine repair environments. The HS54356A is built to support accurate sealing performance across the specified Cadillac applications.