Mahle P29139TC Axle Housing Cover Gasket - Rear

Axle Housing Cover Gasket for GM Rear Axles

Mahle P29139TC is an OEM-standard axle housing cover gasket built for rear differential service on a wide range of Chevrolet and GMC trucks, vans, and SUVs. It uses cork with a metal carrier to help maintain a stable seal at the axle cover on 9-1/2 in ring gear applications with 14 bolt holes.

Compatible With 1984-2005 Chevrolet and GMC rear axle applications, this gasket is a direct-fit sealing solution for common GM driveline service work. Mahle P29139TC is also a practical cross-reference for FEL-PRO RDS 55387 and Rol DS14233 in the same application.

Key Features

• Axle housing cover gasket for rear differential service
• Cork with metal carrier construction for sealing support
• OEM Standard item grade
• Fits 9-1/2 in ring gear housings with 14 bolt holes
• Mahle sealing product for GM driveline and axle applications
• Part number: P29139TC

Detailed Description

Mahle P29139TC is engineered for rear axle housing cover sealing on many Chevrolet and GMC platforms, including C/K trucks, Suburban, Tahoe, Blazer, Express, Savana, Yukon, and related heavy-duty applications. The cork with metal carrier design provides a formed sealing surface for the axle cover, while the OEM-standard specification supports service replacement on vehicles that use the 9-1/2 in ring gear, 14-bolt pattern.

Mahle gaskets are used by OEMs and technicians worldwide, and this axle housing cover gasket follows that same sealing-focused approach for driveline maintenance. If you are servicing a rear differential on a Chevrolet C1500, GMC K2500, or similar GM truck platform, P29139TC is the correct style of gasket for the listed applications.

What This Gasket Helps Address

• Rear differential gear oil seepage at the axle cover
• Leakage after axle cover removal for inspection or service
• Sealing issues caused by an aged or compressed gasket
• Maintenance on GM rear axle housings with a 14-bolt cover pattern
• Replacement needs on Chevrolet and GMC truck, van, and SUV rear axles

Installation Notes and Tips

• Confirm the axle housing uses a 9-1/2 in ring gear and 14 bolt holes before installation.
• Clean the cover and housing sealing surfaces thoroughly before fitting the gasket.
• Inspect the axle cover for warping, corrosion, or damage that could affect sealing.
• Use the vehicle service procedure for torque sequence and final fill specifications.
• Verify rear-position application against the vehicle’s axle configuration before ordering.

Quality Assurance

Mahle manufactures sealing products used in OEM and technician service environments, and P29139TC is built to OEM-standard expectations for axle housing cover sealing. Part number P29139TC is a direct reference for the listed GM rear axle applications.