Mahle 54738 Engine Cylinder Head Gasket

Mahle MLS Cylinder Head Gasket 54738

Mahle 54738 is an OEM-standard multi-layered steel cylinder head gasket built for precise sealing in turbocharged and direct-injection engine applications. It is a direct-fit option for a wide range of Audi and Volkswagen models, including Audi A4, A5, A6, Q5, TT, and Volkswagen GTI, Jetta, Tiguan, and Passat.

With a 1.35 mm thickness and 82.99 mm cylinder bore diameter, this Mahle cylinder head gasket is specified for accurate combustion sealing and consistent clamping performance. Part number 54738 is a practical choice when servicing engines that require a torque-to-yield fastener strategy and MLS construction.

Key Features

• Multi-layered steel construction for cylinder head sealing
• OEM-standard item grade for factory-style service replacement
• 1.35 mm thickness for proper engine sealing geometry
• 82.99 mm cylinder bore diameter
• Torque-to-yield fastener application
• No gasket sealant included
• Designed for Audi and Volkswagen engine platforms

Detailed Description

Mahle 54738 is engineered as a cylinder head gasket for engines that require a durable MLS sealing surface and accurate bore alignment. Mahle is known for supplying sealing products used by OEMs and technicians worldwide, and this gasket follows that service-focused approach with a factory-style fit and material specification. This part cross-references Audi 06H 103 383 AA and Volkswagen 06H 103 383 AD for the same application.

Fits 2009-2016 Audi A4, N/A; Fits 2010-2014 Audi A5, N/A; Fits 2011-2017 Audi Q5, N/A; Fits 2009-2015 Audi TT Quattro, N/A; Fits 2008-2014 Volkswagen GTI, N/A; Fits 2007-2010 Volkswagen Jetta, N/A; Fits 2008-2010 Volkswagen Passat, N/A; Fits 2009-2017 Volkswagen Tiguan, N/A.

Common Repair Uses

• Replacing a leaking cylinder head gasket on Audi A4 or Audi Q5 engines
• Restoring compression after head gasket failure on Volkswagen GTI or Jetta
• Addressing coolant loss or combustion gas leakage at the head-to-block interface
• Repairing overheating-related sealing damage on Audi A5 or TT Quattro engines
• Servicing engines that require MLS gasket construction and torque-to-yield bolts

Installation Notes and Tips

Replacement of cylinder head bolts is necessary for proper installation of this multi-layered steel gasket. Clean and inspect the cylinder head and block mating surfaces before assembly, and verify that the engine bore and gasket thickness match the application requirements. Follow the manufacturer service procedure for torque sequence and torque-to-yield tightening.

Quality Assurance

Mahle gaskets are built to OEM-standard specifications and are trusted in professional engine repair environments. The 54738 gasket is manufactured for consistent sealing performance in confirmed Audi and Volkswagen applications.