Mahle 54445 Engine Cylinder Head Gasket

Mahle 54445 Cylinder Head Gasket

Mahle 54445 is an OEM-standard engine cylinder head gasket built for precise sealing in high-demand GM and Saab applications. This multi-layered steel head gasket is specified for engines that require torque-to-yield fasteners and proper cylinder head bolt replacement during service.

• Multi-layered steel construction for durable sealing performance
• OEM-standard grade for engine rebuild and head gasket service
• 104.14 mm / 4.10 in cylinder bore diameter
• 0.05 in / 1.35 mm thickness
• No gasket sealant included
• Torque-to-yield fastener application

Detailed Product Overview

Mahle 54445 is engineered as a direct-fit cylinder head gasket for a wide range of Chevrolet, GMC, Cadillac, Pontiac, Hummer, and Saab vehicles. It is a multi-layered steel gasket designed to maintain sealing integrity under combustion pressure and thermal cycling, making it a strong choice for head gasket replacement on engines used in the Chevrolet Silverado 1500, GMC Sierra 1500, and Cadillac Escalade. This part cross-references FEL-PRO 1161L and 1161R for the same application.

Compatible vehicle coverage includes Fits 2016 Chevrolet SS, N/A; Fits 2016 Chevrolet Suburban 3500 HD, N/A; Fits 2009-2013 Cadillac Escalade, N/A; Fits 2009-2013 Chevrolet Silverado 1500, N/A; Fits 2009-2013 Chevrolet Tahoe, N/A; Fits 2009-2013 GMC Sierra 1500, N/A; and Fits 2009-2013 GMC Yukon, N/A. Additional coverage extends across earlier GM truck, SUV, performance, and van applications, including Chevrolet Corvette, GMC Yukon XL, and Saab 9-7x.

Common Repair Uses

• Restores cylinder sealing after head gasket failure
• Addresses coolant and combustion leakage at the cylinder head interface
• Supports repair of overheating-related gasket damage
• Helps correct compression loss from a compromised head seal
• Used during engine teardown, rebuild, or cylinder head service

Installation Notes and Tips

Follow factory torque procedures and verify cylinder head and block surfaces are clean, flat, and free of debris before installation. This gasket is listed for torque-to-yield applications, and the fitment notes specify replacement of cylinder head bolts for proper installation of the multi-layered steel gasket. Confirm engine code and application details before ordering for Chevrolet Silverado 1500, GMC Sierra 1500, or Cadillac Escalade service.

Quality Assurance

Mahle gaskets are supplied as OEM-standard sealing components and are trusted by OEMs and technicians worldwide for engine sealing applications.