Mahle 1178VC Engine Cylinder Head Gasket

Mahle 1178VC Cylinder Head Gasket

The Mahle 1178VC is an OEM-standard composite engine cylinder head gasket built for dependable sealing in a wide range of Chevrolet, GMC, Buick, Pontiac, Cadillac, and related V8 applications. With a 1.05 mm compressed thickness and 104.78 mm cylinder bore diameter, it supports accurate head sealing for rebuilds and repairs where combustion chamber integrity matters.

• Composite cylinder head gasket material for OE-style sealing performance
• 1.05 mm compressed thickness / 0.04 in thickness specification
• 104.78 mm / 4.13 in cylinder bore diameter
• OEM standard item grade for factory-style replacement
• Torque-to-yield fastener application noted
• Gasket sealant not included

Detailed Product Overview

Mahle gaskets are used by OEMs and technicians worldwide for engine sealing applications, and the 1178VC follows that approach with a composite construction and precise dimensional specs. This cylinder head gasket is a direct-fit style replacement for many Chevrolet C1500, K1500, Tahoe, Camaro, Corvette, and GMC Jimmy applications, along with additional Buick, Pontiac, Oldsmobile, Cadillac, and GMC truck and van platforms across model years from 1955 through 2002.

This part cross-references FEL-PRO (e.g., 501SD, 7733 PT-2) for the same application.

Common Repair Uses

• Restores cylinder head sealing after head removal or engine teardown
• Addresses combustion leakage between the head and block
• Helps correct coolant or oil seepage at the head gasket interface
• Supports rebuilds on high-mileage Chevrolet and GMC V8 engines
• Provides an OE-style replacement for classic and late-model GM applications

Installation Notes and Tips

Replace cylinder head bolts when using a composite engine cylinder head gasket, especially on torque-to-yield applications. Verify cylinder head and block surfaces are clean, flat, and free of old gasket material before installation. Confirm bore size, thickness, and engine family match the vehicle application before assembly. For fitment, this gasket is listed for vehicles such as Fits 1988-1999 Chevrolet C1500, N/A; Fits 1995-2000 Chevrolet Tahoe, N/A; and Fits 1970-1991 GMC Jimmy, N/A.

Quality Assurance

Mahle manufactures sealing products trusted in OEM and technician service environments, and the 1178VC is built to OEM standard specifications for consistent engine sealing performance.