Mahle 54373 Engine Cylinder Head Gasket

Mahle 54373 Cylinder Head Gasket

The Mahle 54373 engine cylinder head gasket is an OEM-standard sealing solution for Nissan Frontier, Xterra, and 240SX applications. Built with graphite cylinder head gasket material and a composite construction, it is specified for 90.17 mm bore engines and 1.22 mm thickness requirements.

Mahle gaskets are used by OEMs and technicians worldwide for dependable engine sealing. This cylinder head gasket is listed for torque-to-yield fastener applications and does not include gasket sealant.

Key Features

• Engine cylinder head gasket for Nissan Frontier, Xterra, and 240SX applications
• Mahle part number 54373
• Composite material with graphite cylinder head gasket material
• 1.22 mm thickness and 90.17 mm cylinder bore diameter
• OEM Standard item grade
• Torque-to-yield fastener application
• Head gasket only; sealant not included

Detailed Description

Mahle 54373 is an engine cylinder head gasket engineered for sealing the combustion chamber, coolant passages, and oil passages between the cylinder head and engine block. The graphite sealing surface and composite construction support consistent clamping and sealing performance in the specified Nissan Frontier, Nissan Xterra, and Nissan 240SX fitments. If you are replacing a leaking head gasket on a Nissan Frontier, Xterra, or 240SX, this Mahle 54373 gasket matches the listed bore and thickness specifications for the application.

This part cross-references Datsun/Nissan and FEL-PRO applications for the same use case. The Mahle 54373 part number is also commonly searched as a direct replacement cylinder head gasket for these Nissan engine applications.

What It Helps Address

• Coolant loss from a failed head gasket seal
• Oil and coolant mixing caused by combustion sealing failure
• Compression loss between the cylinder head and engine block
• Combustion gas leakage into the cooling system
• Overheating related to head gasket leakage

Installation Notes and Tips

Fits 1998-2004 Nissan Frontier, N/A; use graphite cylinder head bolts when installing Engine Cylinder Head Gasket. Fits 2000-2004 Nissan Xterra, N/A; use graphite cylinder head bolts when installing Engine Cylinder Head Gasket. Fits 1995-1998 Nissan 240SX, N/A; use graphite cylinder head bolts when installing Engine Cylinder Head Gasket.

Verify cylinder head and block surfaces are clean, flat, and free of old gasket material before installation. Follow the engine manufacturer’s torque sequence and torque-to-yield fastener procedure exactly, and replace any required fasteners or related sealing components per service specifications.

Quality Assurance

Mahle supplies sealing products used by OEMs and professional technicians around the globe. This gasket is built to OEM-standard expectations for the listed applications and is backed by Mahle’s established engine sealing expertise.