Timken 470331N Differential Pinion Seal - Rear

Timken 470331N Differential Pinion Seal

Timken 470331N is a differential pinion seal built to retain gear oil at the pinion area while helping keep dirt and road debris out of the axle assembly. It is a direct-fit service part for select Jeep rear axle applications, including Dana/Spicer 35C and AMC 20 configurations.

For Jeep Cherokee, Comanche, Wrangler, CJ7, CJ5, J10, J20, and Scrambler rear axle service, this seal supports a clean, leak-resistant pinion interface. The Timken 470331N seal is engineered for consistent seating and dependable sealing performance in driveline repair work.

Key Features

• Precision sealing design to help prevent lubricant escape
• Reinforced outer case for added durability during installation
• Ribbed rubber inner diameter to seal minor spindle imperfections and promote seating
• Internal contamination exclusion system to help block debris entry
• Vent holes that allow lubricant flow around the seal lip to reduce heat build-up
• Cross-references National 470331N and SKF 18444 for the same application

Detailed Description

This differential pinion seal is designed for rear axle service on select Jeep vehicles, including 1984-1991 Jeep Cherokee rear Dana/Spicer 35C axle applications and 1987-1991 Jeep Wrangler rear Dana/Spicer 35C axle applications. It also covers additional Jeep rear axle service points across CJ, J, and Comanche models listed in the fitment data. Timken 470331N is built to help maintain proper lubrication at the pinion area while limiting contamination that can accelerate wear.

Use this seal when servicing a leaking rear differential pinion area on Jeep Cherokee, Jeep Wrangler, or other listed Jeep rear axle applications. The part number 470331N is commonly searched for rear differential seal replacement on Dana/Spicer 35 and AMC 20 axle service.

What It Helps Address

• Rear differential pinion oil leakage
• Contamination entering the pinion seal area
• Seal damage from installation stress
• Heat-related seal wear from poor lubricant flow
• Minor sealing issues caused by surface imperfections

Installation Notes and Tips

Confirm axle type and vehicle application before installation. Inspect the pinion yoke or sealing surface for wear, grooves, or damage before fitting the new seal. Clean the bore and surrounding area thoroughly, and verify proper seal alignment during installation to avoid distortion. For Jeep rear axle service, match the seal to the Dana/Spicer 35C or AMC 20 configuration shown in the fitment data.

Quality Assurance

Timken manufactures sealing components with precision-focused designs and contamination control features for driveline service. This part number 470331N is built to Timken’s sealing standards for rear axle repair applications.