Mahle 54393 Engine Cylinder Head Gasket

Reliable Engine Cylinder Head Gasket for Infiniti, Nissan, Mercury

The Mahle 54393 engine cylinder head gasket is designed to meet OEM standards for a precise fit and reliable sealing performance. Compatible with select Infiniti, Nissan, and Mercury models, this gasket ensures proper engine compression and prevents leaks.

• Material: Composite with graphite sealing surface
• Thickness: 0.05 inches and 1.32 mm for optimal sealing
• Cylinder bore diameter: 3.71 inches (94.23 mm)
• OEM standard item grade for consistent quality
• Package includes one head gasket without additional sealant

Durable Composite and Graphite Construction

This Mahle engine cylinder head gasket features a composite base material combined with a graphite sealing surface, providing excellent heat resistance and durability. The gasket thickness of 0.05 inches (1.32 mm) is engineered to maintain a tight seal under high pressure and temperature conditions typical in engines of Infiniti Frontier, Nissan Pathfinder, and Mercury Villager models. The precise cylinder bore diameter of 3.71 inches (94.23 mm) ensures compatibility and proper fitment for these vehicles.

Compatible Infiniti, Nissan, and Mercury Models

This head gasket is compatible with the following vehicles: Infiniti QX4, Nissan Frontier, Pathfinder, Quest, Xterra, and Mercury Villager. The part number 54393 corresponds to this specific gasket designed to meet the engine sealing requirements of these models, ensuring reliable engine performance and longevity.

Common Engine Issues Addressed

• Prevents coolant and oil leaks between the cylinder head and engine block
• Maintains proper engine compression for efficient combustion
• Reduces risk of engine overheating caused by gasket failure
• Helps avoid engine misfires related to sealing issues
• Prevents contamination between oil and coolant passages

Installation Notes and Tips

Ensure the cylinder head and engine block surfaces are clean and free of debris before installation. Verify the gasket orientation matches the engine specifications. Use proper torque specifications when tightening cylinder head bolts to avoid warping or gasket damage. Note that this gasket does not include sealant; use manufacturer-recommended sealants if required.

Quality Assurance and Warranty

Mahle 54393 is manufactured to OEM standards, ensuring consistent quality and durability. The gasket material and construction are tested to withstand engine operating conditions typical of Infiniti, Nissan, and Mercury vehicles. Warranty coverage details should be confirmed with the original equipment manufacturer or authorized distributor.