InMotion WS484058 Wheel Seal - Rear

Rear Differential Pinion Seal for Dodge Applications

The InMotion WS484058 is a nitrile differential pinion seal built to create a secure barrier at the pinion shaft. It helps keep moisture and road debris out of the differential while supporting leak control in rear axle service.

• Nitrile construction for sealing performance in driveline service
• Inside diameter: 1.322 in.
• Outside diameter: 2.231 in.
• Width: 0.375 in.
• Shaft diameter: 1.322 in.
• Housing bore: 2.227 in.
• Part number: WS484058

Fitment Details

• Fits 1970-1971 Dodge Challenger, rear, with 9in Brakes
• Fits 1967-1971 Dodge Charger, rear, with 7.25in Ring Gear
• Fits 1966-1971 Dodge Dart, rear, with 9in Brakes
• Fits 1967-1971 Dodge Monaco, rear, with 7.25in Ring Gear

Use this seal when servicing the rear differential pinion area on Dodge Challenger, Dodge Charger, Dodge Dart, and Dodge Monaco models listed above. The WS484058 is sized to match the specified shaft and housing dimensions, helping maintain a tight seal at the pinion interface and reduce the chance of gear oil leakage.

Common Issues Addressed

• Gear oil seepage at the differential pinion seal
• Contamination entering the pinion area
• Wear-related sealing loss during differential service
• Moisture intrusion around the rear axle pinion opening

Installation Notes

Confirm shaft diameter, housing bore, and application notes before installation. Inspect the pinion yoke and sealing surface for wear or scoring, and replace damaged components as needed to achieve a proper seal. Clean the housing thoroughly before pressing in the new seal, and verify correct seating depth during assembly.

Quality Assurance

InMotion manufactures this seal with precision-focused dimensions and nitrile material selected for driveline sealing service. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.