Dorman 635-333 Engine Crankshaft Seal Retainer - Rear

Engine Crankshaft Seal Retainer for Rear Main Seal Service

Dorman 635-333 is an aluminum engine crankshaft seal retainer made to secure the rear main seal on specified vehicles. It matches the fit and function of the original retainer on applications where the factory part has leaked or failed from seal deterioration. Compatible With rear-position applications on Dodge Durango, Ram 1500, Jeep Grand Cherokee, and related Chrysler/Dodge/Ram platforms.

Key Features

• Engine crankshaft seal retainer for rear main seal retention
• Aluminum construction with a natural finish and metallic gray appearance
• OEM-grade replacement built to match original fit and function
• Gasket or seal included for service-ready installation
• Mounting hole layout: 7 holes with 0.125 in mounting hole diameter
• Dimensions: 3.2 in inside diameter, 4 in outside diameter, 1.6 in thickness

Detailed Description

This Dorman crankshaft seal retainer, part number 635-333, is engineered for rear main seal service on a wide range of Chrysler, Dodge, Jeep, and Ram vehicles. It is a direct-fit style replacement for applications such as the Dodge Durango, Ram 1500, Jeep Grand Cherokee, Chrysler 300, Dodge Charger, and Dodge Challenger, where the rear seal retainer must hold the seal securely and maintain proper sealing at the crankshaft. The aluminum design and OEM-grade construction support accurate fitment on rear-position applications, while the included seal helps restore the sealing surface during repair. This part cross-references Mopar 53021335AE and National 710841 for the same application.

Common Repair Issues

• Rear main seal oil leakage
• Crankshaft seal retainer deterioration
• Oil seepage from a damaged sealing surface
• Failed original retainer fitment on rear engine service
• Repeat leaks after rear seal replacement

Installation Notes and Tips

Verify engine and vehicle fitment before installation. This part is for rear-position applications only and should be installed with the sealing surfaces cleaned and inspected for wear, scoring, or distortion. Follow factory service procedures for rear main seal alignment, torque specifications, and crankshaft sealing preparation. Because mounting hardware is not included, reuse or source the correct fasteners as required by the vehicle service procedure.

Quality Assurance

Dorman manufactures this part as an OEM-grade replacement for specified applications. Part number 635-333 is built to match original fit and function for rear main seal retention on supported Chrysler, Dodge, Jeep, and Ram vehicles.