SKF 20526 Wheel Seal - Rear

SKF 20526 Rear Wheel Seal for Pontiac

SKF 20526 is a rear wheel seal built for specific Pontiac applications, including 1956-1958 Pontiac Catalina and 1957-1958 Pontiac Bonneville rear positions. It is engineered with a nitrile sealing surface and precise dimensions to help maintain proper sealing at the wheel end.

Key Features

• Part number: 20526
• Rear wheel seal for select Pontiac rear applications
• Nitrile sealing surface type for sealing performance
• Outside diameter: 2.671 in.
• Shaft diameter: 2.063 in.
• Width: 0.188 in.
• SKF sealing design backed by long-running seal engineering experience

Product Details

SKF 20526 is a wheel seal for driveline and axle service where a precise seal is needed at the rear hub area. The nitrile sealing surface is selected for its sealing characteristics in automotive environments, while the listed dimensions help match the seal to the intended shaft and bore requirements. This part number 20526 is listed for 1956-1958 Pontiac Catalina, rear, and 1957-1958 Pontiac Bonneville, rear, making it a focused replacement for those classic Pontiac rear wheel seal applications.

This part cross-references Dorman - HELP 42839 for the same application.

What It Helps Address

• Gear oil or lubricant leakage at the wheel end
• Contamination entering the hub or axle sealing area
• Seal wear from age, heat, or mileage
• Loss of proper sealing on rear axle service
• Noise or service issues related to a compromised wheel seal

Installation Notes and Tips

Confirm shaft diameter, outside diameter, and width before installation to match the original seal dimensions. Inspect the sealing surface, hub, and axle components for wear or scoring before fitting the new seal. For best results, install on clean, dry mating surfaces and verify the seal seats evenly in the housing.

Quality Assurance

SKF has a long history in seal design and manufacturing, with products built to defined specifications and quality standards for automotive sealing applications. The 20526 wheel seal reflects that engineering focus for dependable fit and function in the intended Pontiac rear applications.