Mahle 54578 Engine Cylinder Head Gasket

Mahle 54578 Cylinder Head Gasket

The Mahle 54578 engine cylinder head gasket is an OEM-standard sealing solution built for precise combustion sealing and dependable fitment. Made from multi-layered steel, it is specified for applications that require a 1.37 mm thickness and torque-to-yield fastener replacement during installation.

Compatible with select Honda, Acura, and Saturn applications, including Honda Odyssey, Honda Pilot, Honda Ridgeline, Acura TL, Acura MDX, and Saturn Vue. Mahle 54578 is engineered for service work where accurate head sealing and proper clamping load are critical.

Key Features

• Multi-layered steel construction for cylinder head sealing
• OEM standard item grade for service replacement
• 1.37 mm thickness / 0.05 in. thickness specification
• 3.53 in. cylinder bore diameter / 89.71 mm bore specification
• No gasket sealant included
• Head gasket only, with no additional sealing components listed
• Torque-to-yield fastener replacement required for proper installation

Detailed Description

Mahle 54578 is a multi-layered steel engine cylinder head gasket designed to maintain a secure seal between the cylinder head and engine block under high heat and pressure. The OEM-standard construction supports accurate compression sealing for engines that demand precise thickness control and bore alignment. This part number is commonly searched as Mahle 54578 cylinder head gasket for Honda Odyssey, Acura TL, and Honda Pilot head gasket replacement service.

This part cross-references FEL-PRO 26265 PT for the same application. It also cross-references Honda 12251-PVJ-A01 and 12251-RDJ-A01, along with Saturn 12581780. For buyers comparing OE-style options, Mahle 54578 offers a direct-fit sealing component for select Honda Odyssey, Honda Pilot, Honda Ridgeline, Acura MDX, Acura TL, and Saturn Vue engine repair jobs.

What It Helps Address

• Coolant or combustion leakage at the cylinder head sealing surface
• Loss of compression from a failed head gasket
• Overheating caused by compromised sealing between engine passages
• Oil and coolant mixing from head gasket failure
• Repeat repair issues when the original gasket no longer seals correctly

Installation Notes

• Fits 2005-2010 Honda Odyssey, N/A; replacement of cylinder head bolts necessary for proper installation of multi-layered steel gasket.
• Fits 2004-2008 Acura TL, N/A; replacement of cylinder head bolts necessary for proper installation of multi-layered steel gasket.
• Fits 2005-2008 Honda Pilot, N/A; replacement of cylinder head bolts necessary for proper installation of multi-layered steel gasket.
• Fits 2006-2008 Honda Ridgeline, N/A; replacement of cylinder head bolts necessary for proper installation of multi-layered steel gasket.
• Fits 2004-2007 Saturn Vue, N/A; replacement of cylinder head bolts necessary for proper installation of multi-layered steel gasket.
• Fits 2003-2006 Acura MDX, N/A; replacement of cylinder head bolts necessary for proper installation of multi-layered steel gasket.

Quality Assurance

Mahle gaskets are trusted by OEMs and technicians worldwide for engine sealing applications. This gasket is built to OEM-standard specifications and uses multi-layered steel construction for consistent sealing performance in the listed Honda, Acura, and Saturn applications.