National 711115 Transfer Case Output Shaft Seal - Rear

National 711115 Transfer Case Output Shaft Seal Overview

The National 711115 transfer case output shaft seal is engineered to provide reliable sealing performance for select Dodge, Jeep, and Mitsubishi vehicles. Designed with a clockwise-spiral lip, this oil seal helps maintain proper lubrication and prevents fluid leaks in the transfer case assembly.

• Clockwise-spiral helix type lip design for effective sealing
• Housing bore diameter of 2.756 inches (70.000 mm)
• Outside diameter measures 2.764 inches (70.200 mm)
• Overall width with side lip is 0.630 inches (16.000 mm)
• Constructed from durable polyacrylate material
• Shaft diameter of 1.969 inches (50.000 mm)
• Part number 711115, part of the 711100 series

Detailed Product Description

This National transfer case output shaft seal (part number 711115) is designed to fit transfer cases on Dodge Caliber, Jeep Compass, Mitsubishi Lancer, and Outlander models. The seal features a clockwise-spiral lip design that enhances its ability to retain oil and resist contamination. Manufactured from polyacrylate, the seal offers resistance to heat and wear, ensuring durability under demanding operating conditions. The precise dimensions, including a housing bore of 2.756 inches and an outside diameter of 2.764 inches, ensure a proper fit and effective sealing performance.

Common Applications and Problem Solving

• Prevents oil leaks from the transfer case output shaft
• Reduces contamination ingress to protect internal components
• Maintains lubrication integrity for smooth transfer case operation
• Helps avoid premature wear of the output shaft and bearings
• Addresses common seal failure issues in Dodge Caliber, Jeep Compass, Mitsubishi Lancer, and Outlander vehicles

Installation Notes and Tips

When installing the National 711115 transfer case output shaft seal, ensure the housing bore and shaft surfaces are clean and free of debris. Use appropriate tools to press the seal evenly into place without damaging the lip. Verify the seal orientation matches the clockwise-spiral lip design for optimal sealing. Proper installation helps prevent leaks and extends the service life of the transfer case components.

Quality Assurance and Warranty

National transfer case seals are manufactured to meet industry standards for durability and performance. The 711115 seal is part of the 711100 series, known for consistent quality in sealing solutions. While specific warranty details are not provided, National products typically adhere to strict quality control processes to ensure reliability in automotive applications.