Mahle HS54661L Engine Cylinder Head Gasket Set

Mahle HS54661L Cylinder Head Gasket Set

Mahle HS54661L is an engine cylinder head gasket set for GM 3.6L applications that require precise sealing at the cylinder head. Built for service work on the Buick Enclave, Chevrolet Traverse, GMC Acadia, and GMC Acadia Limited, it supports repairs where head sealing integrity is critical.

• Engine cylinder head gasket set for sealing the cylinder head to the engine block
• Fits 2014-2017 Buick Enclave, N/A
• Fits 2014-2017 Chevrolet Traverse, N/A
• Fits 2017 GMC Acadia Limited, N/A
• Fits 2014-2016 GMC Acadia, N/A
• Mahle sealing products are used by OEMs and technicians worldwide
• Part number HS54661L for application matching and catalog lookup

Detailed Application Coverage

This Mahle head gasket set is intended for engine repair where the original cylinder head sealing surface has been disturbed during teardown, overheating repair, or head service. It is a direct-fit sealing solution for 2014-2017 Buick Enclave, 2014-2017 Chevrolet Traverse, 2017 GMC Acadia Limited, and 2014-2016 GMC Acadia applications. The HS54661L part number is also useful when cross-checking service records and ordering the correct gasket set for the same application.

This part cross-references Monroe Shocks & Struts (e.g., HS26376PT13) for the same application.

Common Repair Uses

• Head gasket failure after overheating
• Coolant loss from cylinder head sealing issues
• Compression loss between cylinders or into the cooling system
• Oil and coolant mixing caused by a compromised head seal
• Engine teardown service requiring renewed sealing components

Installation Notes

Inspect the cylinder head and engine block for warpage, corrosion, and surface damage before assembly. Cylinder head bolts are not included, fuel injection O-rings are not included, and cylinder head bolt replacement is recommended. Follow the vehicle service manual for torque sequence, torque angle, and surface preparation procedures.

Quality Assurance

Mahle gaskets are recognized for OE-level sealing performance and are trusted in professional engine repair environments. HS54661L is built to support accurate sealing on the listed Buick, Chevrolet, and GMC applications.