Mahle 54660 Engine Cylinder Head Gasket

Reliable Engine Cylinder Head Gasket for GM Vehicles

The Mahle 54660 engine cylinder head gasket is engineered to meet OEM standards, providing a durable seal for your engine. Designed specifically for select Cadillac, Chevrolet, GMC, Hummer, and Pontiac models, this gasket ensures proper sealing and engine performance.

• Constructed from multi-layered steel for enhanced durability
• Thickness options of 0.05 and 1.22 mm for precise fitment
• Cylinder bore diameter of 104.14 mm (4.10 inches) for accurate sealing
• Torque to yield design for reliable installation and sealing
• OEM standard grade ensuring compatibility and quality
• Package includes one gasket without additional sealant or accessories

Durable Multi-Layered Steel Construction

This Mahle engine cylinder head gasket (part number 54660) features a multi-layered steel design that provides excellent resistance to heat and pressure. The gasket’s thickness options of 0.05 mm and 1.22 mm accommodate precise engine specifications, while the 104.14 mm (4.10 inch) cylinder bore diameter matches the bore size of compatible engines. The torque to yield feature allows for proper clamping force during installation, reducing the risk of leaks and ensuring a secure seal between the cylinder head and engine block.

Compatible With Select GM Models

This gasket is compatible with a range of General Motors vehicles, including Cadillac Escalade, Chevrolet Silverado 1500, GMC Sierra 2500 HD, Hummer H2, and Pontiac G8, among others. It fits various models such as the Avalanche, Camaro, Caprice, Corvette, Escalade ESV, Express 2500, Savana 3500, Suburban 2500, Tahoe, Yukon XL 2500, and more. Using the correct gasket ensures optimal engine performance and longevity.

Common Applications and Issues Addressed

• Seals the cylinder head to prevent coolant and oil leaks
• Maintains compression within the combustion chamber
• Prevents engine overheating caused by gasket failure
• Reduces risk of engine misfires due to improper sealing
• Helps avoid costly engine damage from head gasket failure

Installation Notes and Tips

• Ensure the cylinder head and engine block surfaces are clean and free of debris
• Use the specified torque to yield procedure for proper gasket clamping
• Do not use additional gasket sealant as it is not included or required
• Verify gasket thickness matches engine specifications before installation
• Follow manufacturer’s service manual for detailed installation instructions

Quality Assurance and Warranty

Mahle 54660 cylinder head gasket meets OEM standards for fit, form, and function. Manufactured with high-quality multi-layered steel, it is designed to provide reliable sealing under demanding engine conditions. While specific warranty details may vary, Mahle products typically come with a limited warranty covering defects in materials and workmanship to ensure customer confidence.