Mahle HS54425B Engine Cylinder Head Gasket Set

Mahle HS54425B Head Gasket Set

The Mahle HS54425B engine cylinder head gasket set is built for OE-standard sealing performance in the engine’s critical combustion and fluid passages. It uses a multi-layered steel cylinder head gasket, beaded steel exhaust manifold gasket material, and rubber coated metal intake manifold gasket material for a precise seal on service repairs.

Compatible with 2008 INFINITI FX35 and 2008 INFINITI M35 applications, this set is a direct-fit option for technicians and DIY repair work that requires dependable sealing at the cylinder head. The Mahle HS54425B is also a fitment-based search match for 2008 INFINITI FX35 head gasket set and 2008 INFINITI M35 cylinder head gasket set replacement needs.

Key Features

• OE Standard item grade for service-level engine repair
• Multi-layered steel cylinder head gasket construction
• Beaded steel exhaust manifold gasket material
• Rubber coated metal intake manifold gasket material
• Torque-to-yield application noted for proper fastener strategy
• Contains miscellaneous gaskets and seals for related sealing points
• Cylinder head bolts are not included

Detailed Product Overview

Mahle sealing products are used by OEMs and technicians worldwide, and the HS54425B follows that OE-focused approach with materials selected for heat, pressure, and long-term sealing stability. This engine cylinder head gasket set is intended for cylinder head service where accurate sealing between the head, block, intake, and exhaust interfaces is required. For 2008 INFINITI FX35 and 2008 INFINITI M35 repairs, the part number HS54425B provides a practical match for engine reseal work that calls for OE-standard components.

This part cross-references FEL-PRO HS 26370 PT-1 for the same application.

Common Repair Uses

• Head gasket replacement after combustion seal failure
• Repair of coolant or oil leakage at the cylinder head interface
• Intake manifold sealing service during top-end engine repair
• Exhaust manifold sealing during cylinder head removal and reassembly
• Restoration of compression loss caused by gasket deterioration

Installation Notes and Tips

Confirm engine code and vehicle application before installation. Because this is a torque-to-yield application, follow the factory tightening sequence and torque procedure exactly, and replace cylinder head bolts as recommended by the vehicle service manual since bolts are not included. Inspect the cylinder head and block surfaces for warpage, corrosion, or residue before assembly, and verify all mating surfaces are clean and dry.

Quality Assurance

Mahle is known for OE-focused gasket and sealing systems used in professional engine service. The HS54425B is built to OEM-standard expectations for fit and sealing performance on the listed 2008 INFINITI FX35 and 2008 INFINITI M35 applications.