Mahle HS54578E Engine Cylinder Head Gasket Set

Mahle HS54578E Head Gasket Set for Acura TL

Mahle HS54578E is an OEM-standard engine cylinder head gasket set built with multi-layered steel sealing surfaces for the cylinder head, intake manifold, and exhaust manifold. It is a direct-fit sealing solution for 2007-2008 Acura TL applications and is specified with torque-to-yield fastener requirements in mind.

Key Features

• Engine cylinder head gasket set for 2007-2008 Acura TL
• Multi-layered steel cylinder head gasket material
• Multi-layered steel intake manifold gasket material
• Multi-layered steel exhaust manifold gasket material
• OEM standard item grade for factory-style service work
• Includes miscellaneous gaskets and seals for related sealing points
• Cylinder head bolts are not included
• Torque-to-yield application

Detailed Description

Mahle HS54578E is engineered for sealing performance in the upper engine assembly, where consistent compression and heat resistance matter most. The multi-layered steel construction supports reliable sealing at the cylinder head, intake manifold, and exhaust manifold interfaces, making this set a practical choice for Acura TL head gasket service. The HS54578E part number is also useful when cross-checking OE-style replacement needs for the 2007-2008 Acura TL.

This part cross-references Fel-Pro HS 26265 PT-1 for the same application. It also cross-references Honda 06110-RDA-A04 and 06120-RDA-A02 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 seepage at upper-engine gasket interfaces
• Intake manifold sealing issues that affect idle quality
• Exhaust manifold sealing leaks that can create noise or odor

Installation Notes and Tips

Fits 2007-2008 Acura TL, N/A. Cylinder head bolts are not included, and replacement is recommended for this torque-to-yield application. Clean all mating surfaces thoroughly before installation, verify flatness, and follow the factory torque sequence and angle specifications during reassembly. Confirm all related sealing surfaces and fasteners are inspected before final assembly.

Quality Assurance

Mahle gaskets are built to OEM-standard expectations and are trusted by vehicle manufacturers and technicians for engine sealing service. The HS54578E part number identifies the correct gasket set for the listed Acura TL applications and supports accurate parts matching during repair.