Mahle HS55377 Engine Cylinder Head Gasket Set - Left

Overview

MAHLE HS55377 is an engine cylinder head gasket set for specific Mercedes-Benz GL450 applications. It is built for left-side fitment and follows the sealing requirements of the original engine assembly.

Compatible With 2007-2012 Mercedes-Benz GL450, left side. Cylinder head bolt replacement is recommended for this application. Part number HS55377 is the reference to use when matching the correct gasket set for this engine service.

Key Features

• Engine cylinder head gasket set for sealing the cylinder head interface
• MAHLE sealing products are used by OEMs and professional technicians worldwide
• Left-side application for the specified Mercedes-Benz GL450 fitment
• Part number HS55377 for accurate catalog matching

Detailed Description

MAHLE HS55377 is an engine cylinder head gasket set intended for 2007-2012 Mercedes-Benz GL450 models on the left side. As a critical sealing component, it helps maintain compression and isolate combustion gases, coolant, and oil passages within the engine assembly. The part number HS55377 should be matched carefully to the vehicle and service position before installation.

MAHLE is known for gasket and sealing products used in OEM and technician service environments, and this set reflects that focus on precise engine sealing. For this application, cylinder head bolt replacement is recommended to support proper clamping force during reassembly. If you are servicing a Mercedes-Benz GL450 and need the correct engine cylinder head gasket set, HS55377 is the catalog reference to verify.

What It Is Used For

• Replacing a leaking or damaged cylinder head gasket
• Restoring sealing between the cylinder head and engine block
• Addressing compression loss caused by gasket failure
• Correcting coolant or oil seepage at the head interface

Installation Notes and Tips

Confirm the vehicle year, model, and left-side application before ordering. The fitment notes specify that cylinder head bolt replacement is recommended for this service, so inspect related fasteners and follow the engine manufacturer’s service procedure during reassembly. Verify the part number HS55377 against the existing gasket set and engine configuration before installation.

Quality Assurance

MAHLE gasket products are trusted by OEMs and technicians around the world for engine sealing applications. HS55377 is identified for the specified Mercedes-Benz GL450 fitment and should be verified against the vehicle’s service requirements before use.