Timken 710663 Transfer Case Output Shaft Seal - Rear

Timken 710663 Transfer Case Output Shaft Seal

Timken 710663 is a transfer case output shaft seal built to retain lubricant and block road debris at the rear output. It is a direct-fit sealing solution for Jeep transfer case service, including Grand Cherokee, Cherokee, TJ, and Wrangler applications with New Process and New Venture transfer cases.

Key Features

• Precision sealing design helps keep transfer case fluid inside the housing and contaminants out
• Reinforced outer case resists installation damage and supports long-term durability
• Ribbed rubber inner diameter seals minor spindle imperfections and promotes positive seating
• Internal contamination exclusion system helps reduce debris intrusion that can lead to leakage
• Vent holes allow lubricant flow around the seal lip to help manage heat at the sealing surface

Detailed Description

This Timken transfer case output shaft seal is engineered for rear output service where a worn seal can lead to fluid loss, contamination, and driveline noise. It fits 1999-2004 Jeep Grand Cherokee, rear, New Process 242; 1999-2001 Jeep Cherokee, rear, New Process 242; 1997-2001 Jeep Cherokee, rear, New Process 231; 1997-2001 Jeep Grand Cherokee, rear, New Process 231; 1997-2001 Jeep TJ, rear, New Venture 242; and 1997-2001 Jeep Wrangler, rear, New Venture 242. If you are searching for a Jeep Grand Cherokee transfer case output shaft seal or a rear transfer case seal for a Jeep Cherokee, Timken 710663 matches those service needs directly.

This part number, 710663, is built around Timken’s sealing design approach for lubricant retention and contamination control. It is a practical replacement for rear transfer case seal service on Jeep driveline systems where the output shaft area shows seepage or contamination.

What It Helps Fix

• Transfer case fluid leaking from the rear output shaft area
• Contamination entering the transfer case through a worn seal
• Seal wear caused by heat, debris, or shaft surface imperfections
• Moisture and road grime intrusion around the output shaft opening
• Noise or driveline concerns related to low transfer case fluid level

Installation Notes and Tips

Inspect the output shaft surface before installation and clean the seal bore thoroughly. Verify transfer case model and rear output application before ordering, especially on Jeep Grand Cherokee, Cherokee, TJ, and Wrangler vehicles. Proper seating is important for sealing performance, and the shaft surface should be free of burrs or heavy wear before installing Timken 710663.

Quality Assurance

Timken oil and grease seals use reinforced construction and contamination-control features to support reliable sealing performance in drivetrain service. Part number 710663 is designed for rear transfer case output shaft applications listed above.