Mahle HS54661D Engine Cylinder Head Gasket Set

Mahle HS54661D Head Gasket Set

The Mahle HS54661D engine cylinder head gasket set is built for OE-standard sealing performance in the upper engine. It is a direct-fit option for 2007 GMC Acadia and 2007 Saturn Outlook applications that require a multi-layer steel head gasket and matched sealing components.

Key Features

• Engine cylinder head gasket set for upper-engine 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
• Torque-to-yield application
• Contains miscellaneous gaskets and seals
• Cylinder head bolts not included

Detailed Description

Mahle HS54661D is an OE-standard engine cylinder head gasket set engineered for sealing the critical interfaces between the cylinder head, intake manifold, and exhaust manifold. The multi-layered steel head gasket and exhaust manifold gasket support durable sealing under heat and combustion pressure, while the molded rubber intake manifold gasket helps maintain a reliable seal at the intake side. This set is a practical choice for 2007 GMC Acadia and 2007 Saturn Outlook repairs where the original sealing surfaces need to be restored with a matched gasket package.

This part cross-references FEL-PRO HS 26376 PT-1 for the same application. The HS54661D part number is also useful when searching for a Mahle head gasket set for 2007 GMC Acadia or 2007 Saturn Outlook engine service.

Common Repair Uses

• Head gasket replacement after coolant or compression leakage
• Restoring sealing after cylinder head removal
• Repairing intake manifold vacuum or fluid seepage at the gasket surface
• Addressing exhaust manifold sealing loss during top-end engine service
• Replacing worn OEM-style gaskets during engine teardown

Installation Notes

Confirm cylinder head and manifold surfaces are clean, flat, and free of old gasket material before assembly. Because this is a torque-to-yield application, follow the factory tightening sequence and torque procedure exactly. Cylinder head bolts are not included, and replacement is recommended for these applications. Verify all engine codes and gasket dimensions against the vehicle before installation.

Quality Assurance

Mahle supplies sealing products used by OEMs and technicians worldwide, and this set is built to OEM standard expectations for fit and sealing performance.