Mahle HS54651 Engine Cylinder Head Gasket Set

OE-Standard Cylinder Head Gasket Set for Nissan V8 Applications

The Mahle HS54651 engine cylinder head gasket set is built for Nissan and INFINITI V8 applications that require precise sealing at the cylinder head, intake, and exhaust interfaces. It uses OEM-standard materials and includes miscellaneous gaskets and seals for a complete top-end service.

Compatible with 2004-2015 Nissan TITAN, 2005-2015 Nissan Armada, 2008-2012 Nissan Pathfinder, 2012-2016 Nissan NV2500, 2012-2016 Nissan NV3500, and 2004-2010 INFINITI QX56. This Mahle HS54651 set is also cross-referenced to Datsun/Nissan 11042-7S025 and FEL-PRO HS 26372 PT for the same application.

Key Features

• Engine cylinder head gasket set for top-end sealing service
• Multi-layered steel cylinder head gasket material
• Multi-layered steel exhaust manifold gasket material
• Molded rubber intake manifold gasket material
• OEM standard item grade for factory-style fit and sealing
• Torque-to-yield application noted; cylinder head bolts are not included
• Additional package contents include miscellaneous gaskets and seals

Detailed Description

Mahle HS54651 is an engine gasket set for Nissan TITAN, Nissan Armada, Nissan Pathfinder, Nissan NV2500, Nissan NV3500, and INFINITI QX56 applications. The set uses multi-layered steel for the cylinder head gasket and exhaust manifold gasket, with molded rubber for the intake manifold gasket, helping maintain consistent sealing across the upper engine assembly. Mahle is known for gasket products used by OEMs and technicians worldwide, and this set follows an OEM-standard specification for service work that demands accurate sealing surfaces. The HS54651 part number is a direct reference for these applications and is commonly searched as Mahle HS54651 or HS 54651.

What This Gasket Set Helps Address

• Coolant or combustion leakage at the cylinder head sealing surface
• Intake manifold sealing issues that can affect idle quality and vacuum integrity
• Exhaust manifold gasket leakage that can create noise or exhaust odor
• Top-end reseal needs during cylinder head service or engine repair
• Replacement of worn gaskets during teardown on high-mileage Nissan and INFINITI V8 engines

Installation Notes and Tips

Confirm engine code and vehicle application before installation, since this set is listed for multiple Nissan and INFINITI models. Cylinder head bolts are not included and replacement is recommended for torque-to-yield service. Inspect the cylinder head and block surfaces for flatness, clean all mating surfaces thoroughly, and follow the manufacturer torque sequence and angle procedure during reassembly. Use new seals and gaskets from the set during the full top-end repair to maintain proper sealing.

Quality Assurance

Mahle supplies gasket products used in OEM and professional repair environments, and this set is built to OEM-standard requirements for the listed applications. The HS54651 part number is intended for accurate replacement on the specified Nissan and INFINITI vehicles.