Mahle HS54661P Engine Cylinder Head Gasket Set

Mahle HS54661P Cylinder Head Gasket Set

Mahle HS54661P is a cylinder head gasket set for GM and Cadillac applications that require dependable sealing during engine service. It is built for direct-fit repairs on select Buick Enclave, Chevrolet Traverse, Impala, Equinox, Colorado, Camaro, and related models.

Key Features

• Mahle cylinder head gasket set for engine sealing service
• Fits 2020-2023 Buick Enclave and 2020-2023 Chevrolet Traverse
• Also fits select Chevrolet Impala, Equinox, Colorado, Camaro, and GMC Terrain applications
• MAHLE gaskets are used by OEMs and technicians worldwide for sealing performance
• Part number HS54661P for accurate ordering and lookup

Detailed Description

Mahle HS54661P is an engine cylinder head gasket set engineered for vehicles across the 2013-2023 model years, including Cadillac XTS, SRX, ATS, CTS, Chevrolet Impala, Impala Limited, Caprice, Camaro, Equinox, Traverse, Colorado, and GMC Canyon and Terrain. This set supports cylinder head service where a reliable seal between the cylinder head and engine block is required. Mahle’s gasket line is known for OE-level sealing materials and consistent fitment across demanding engine repairs. This part number, HS54661P, is a practical choice for technicians and DIY rebuilders working on GM 3.6L-related applications.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Coolant loss from a failed cylinder head gasket seal
• Combustion leakage between the head and block
• Oil and coolant mixing caused by sealing failure
• Compression loss that affects engine performance
• Repeat repairs after overheating-related gasket damage

Installation Notes and Tips

• Fits 2020-2023 Buick Enclave, N/A
• Fits 2020-2023 Chevrolet Traverse, N/A
• Fits 2020 Chevrolet Impala, N/A
• Fits 2018-2019 Buick Enclave, N/A
• Fits 2013-2019 Cadillac XTS, N/A
• Fits 2014-2019 Chevrolet Impala, N/A
• Fits 2018-2019 Chevrolet Traverse, N/A
• Fits 2013-2017 Chevrolet Caprice, N/A
• Fits 2014-2017 Chevrolet Equinox, N/A
• Fits 2014-2017 GMC Terrain, N/A
• Fits 2013-2016 Buick LaCrosse, N/A
• Fits 2013-2016 Cadillac SRX, N/A
• Fits 2015-2016 Chevrolet Colorado, N/A
• Fits 2015-2016 Chevrolet Impala Limited, N/A
• Fits 2015-2016 GMC Canyon, N/A
• Fits 2013-2015 Cadillac ATS, N/A
• Fits 2013-2015 Cadillac CTS, N/A
• Fits 2013-2015 Chevrolet Camaro, N/A
• Fits 2014 Chevrolet Impala Limited, N/A

Cylinder head bolts are not included, and fuel injection O-rings are not included. Cylinder head bolt replacement is recommended during service. Verify engine code and gasket layout before installation, especially on 2014 Chevrolet Impala Limited applications with the 2nd design valve cover gasket note.

Quality Assurance

Mahle supplies sealing products used by OEMs and professional technicians around the world, and this gasket set reflects that OE-focused approach to engine repair.