Mahle HS54516M Engine Cylinder Head Gasket Set

Engine Cylinder Head Gasket Set for Mazda 3, 5, 6

The Mahle HS54516M engine cylinder head gasket set is built for Mazda 3, Mazda 5, and Mazda 6 applications that require OEM-standard sealing performance. It combines multi-layer steel head and exhaust manifold gaskets with a molded rubber intake manifold gasket for a precise seal across critical engine interfaces.

Key Features

• Engine cylinder head gasket set for 2003-2005 Mazda 6, 2004-2005 Mazda 3, and 2006-2007 Mazda 5
• Multi-layer steel cylinder head gasket material for durable sealing
• Multi-layer 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 are not included

Detailed Description

Mahle HS54516M is an OEM-standard engine cylinder head gasket set engineered for direct service on select Mazda platforms. It is listed for Fits 2006-2007 Mazda 5, Fits 2004-2005 Mazda 3, and Fits 2003-2005 Mazda 6, all with plastic valve cover notes and cylinder head bolt replacement recommended. This part cross-references Fel-Pro HS 26250 PT-4 for the same application. Mahle gaskets are used by OEMs and technicians worldwide for sealing applications where consistent fit and material selection matter.

Common Repair Uses

• Head gasket replacement after coolant or compression loss
• Sealing service after cylinder head removal
• Repairing intake or exhaust manifold sealing leaks
• Addressing oil or coolant seepage at gasket interfaces
• Restoring proper sealing on torque-to-yield engine assemblies

Installation Notes and Tips

Confirm engine configuration before installation and follow the service manual torque sequence and angle specifications for torque-to-yield fasteners. Cylinder head bolts are not included, and replacement is recommended for these Mazda applications. Inspect the cylinder head and block surfaces for flatness, clean all mating surfaces thoroughly, and replace any related seals or gaskets during reassembly.

Quality Assurance

Mahle supplies sealing products used in OEM and professional repair environments, and this gasket set is built to OEM-standard expectations for material selection and fit. The HS54516M is intended for service work where reliable sealing performance is required on select Mazda 3, Mazda 5, and Mazda 6 engines.