Mahle 55488 Engine Cylinder Head Gasket - Left

Overview

The Mahle 55488 cylinder head gasket is an OEM-standard sealing solution built with multi-layered steel construction. It is made for left-side applications and is listed for Ford Mustang and Ford F-150 fitments in the confirmed year ranges below.

This Mahle cylinder head gasket 55488 is engineered for dependable sealing where combustion pressure, coolant, and oil passages must remain separated. For buyers searching for a Ford Mustang cylinder head gasket or Ford F-150 left cylinder head gasket, this part provides a direct replacement option with the specified bore and thickness.

Key Features

• Multi-layered steel construction for stable sealing performance.
• OEM-standard grade for service and replacement use.
• 0.038 in. thickness for the listed application requirements.
• 3.71 in. bore diameter.
• Left-side cylinder head gasket configuration.

Detailed Description

Mahle 55488 is a cylinder head gasket from the Cylinder Head Gasket product line, built for engine sealing applications where consistent compression and fluid separation are critical. The multi-layered steel design and regular OEM-standard grade make it a practical replacement for service work on the Ford Mustang and Ford F-150 applications shown here. This part cross-references Ford (e.g., JR3E-6083-AA, JR3Z-6051-B) for the same application.

Common Issues This Part Addresses

• Loss of cylinder sealing between the head and block.
• Coolant or oil leakage at the head gasket interface.
• Compression loss that affects engine performance.
• Service replacement needs after cylinder head removal.
• Fitment-specific sealing requirements for left-side applications.

Installation Notes and Tips

Fits 2021-2025 Ford Mustang, left. Fits 2018-2020 Ford F-150, left. Fits 2018-2020 Ford Mustang, left. The fitment notes specify that replacement of cylinder head bolts is necessary for proper installation on the listed multi-layered steel gasket applications. Verify engine configuration and sealing surface condition before installation.

Quality Assurance

Mahle gaskets are trusted by OEMs and technicians worldwide for sealing applications. Part number 55488 is listed as OEM standard and built to the specified material and dimensional requirements for the confirmed applications.