Timken 710507 Differential Pinion Seal - Front, Rear or Rear Inner

Timken 710507 Differential Pinion Seal

Timken 710507 is a differential pinion seal built to retain gear oil at the pinion area while keeping dirt and debris out of the axle assembly. It is a direct-fit service part for a wide range of Chevrolet, GMC, Cadillac, Hummer, and Saab rear axle applications, including Silverado 1500, Sierra 1500, Tahoe, Yukon, and Escalade models.

Key Features

• Precision sealing design helps control lubricant loss at the differential pinion
• Reinforced outer case resists installation damage and adds durability
• Ribbed rubber inner diameter helps seal minor spindle imperfections and seat securely
• Internal contamination exclusion system helps block debris that can lead to leakage
• Vent holes promote lubricant flow around the seal lip to reduce heat buildup
• Compatible with a broad range of rear axle applications across GM trucks and SUVs

Detailed Description

This Timken differential pinion seal is engineered for rear axle service where a reliable seal is needed to maintain proper lubrication and protect the differential from contamination. It is commonly used on Chevrolet Silverado 1500, GMC Sierra 1500, Chevrolet Tahoe, GMC Yukon, Cadillac Escalade, and related platforms, with fitment spanning 1988-2018 depending on the vehicle and axle configuration. Part number 710507 is a practical replacement when servicing a leaking pinion area or rebuilding the rear differential.

This part cross-references National 710507 and SKF 710507 for the same application.

What It Is Used For

• Rear differential pinion oil leakage
• Contamination entering the pinion seal area
• Wet housing or gear oil residue around the pinion yoke
• Seal wear from age, heat, or mileage
• Service work on rear axle bearings and seal kits

Installation Notes and Tips

Verify axle ratio, ring gear size, and position before installation. Some applications note the use of a differential pinion race or seal kit for proper assembly, and certain fitments are specific to rear inner or front positions. Clean the sealing surface thoroughly and inspect the pinion yoke or spindle for wear before installing Timken 710507.

Quality Assurance

Timken oil and grease seals use precision sealing designs, reinforced construction, and contamination control features to support dependable service in driveline applications.