National 711102 Automatic Transmission Output Shaft Seal - Left

Overview of National 711102 Automatic Transmission Output Shaft Seal

The National 711102 automatic transmission output shaft seal is engineered to provide reliable sealing performance for select Chrysler, Fiat, Jeep, and Ram vehicles. Designed with a bi-directional lip helix type, this seal helps maintain transmission fluid integrity and prevents leaks in demanding driving conditions.

• Bi-directional lip design for effective sealing in both rotational directions
• Housing bore diameter of 2.638 inches (67.000 mm) for precise fitment
• Constructed from durable polyacrylate material for resistance to heat and wear
• Outside diameter measures 2.646 inches (67.200 mm) ensuring proper housing engagement
• Overall width with side lip is 0.512 inches (13.000 mm) for enhanced sealing surface
• Shaft diameter of 1.732 inches (44.000 mm) compatible with specified vehicle models
• Part of the 711100 series designed for automatic transmission applications

Detailed Product Description

The National 711102 output shaft seal is specifically designed for automatic transmissions requiring a 40-type seal with a bi-directional lip helix. Its polyacrylate construction offers excellent resistance to transmission fluids and high operating temperatures, ensuring long service life. The precise dimensions, including a housing bore of 67 mm and an outside diameter of 67.2 mm, provide a secure fit to prevent fluid leakage. The overall width of 13 mm with side lip enhances the sealing capability, reducing the risk of contamination and fluid loss. This seal is engineered to fit transmission shafts measuring 44 mm in diameter, making it compatible with a range of vehicles from Chrysler, Fiat, Jeep, and Ram.

Compatible Vehicles and Applications

This output shaft seal is compatible with the following makes and models:

• Chrysler Pacifica (200)
• Fiat 500X (200)
• Jeep Cherokee, Compass, Renegade
• Ram ProMaster City

It is designed to maintain transmission fluid integrity and prevent leaks in these specific vehicles, ensuring proper transmission function and longevity.

Common Issues Addressed by the National 711102 Seal

• Prevents automatic transmission fluid leaks from the output shaft area
• Reduces contamination ingress that can cause transmission wear
• Maintains proper fluid pressure within the transmission system
• Helps avoid costly transmission repairs due to seal failure
• Improves overall transmission reliability and performance

Installation Notes and Tips

• Ensure the transmission output shaft and housing bore are clean and free of debris before installation
• Use appropriate tools to avoid damaging the seal lips during installation
• Verify the seal orientation matches the bi-directional lip design for optimal sealing
• Check shaft and bore dimensions to confirm compatibility with the 711102 seal
• Follow vehicle manufacturer torque specifications when reassembling components

Quality Assurance and Warranty

National transmission seals are manufactured to meet industry standards for durability and performance. The 711102 seal undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details may vary, National typically offers coverage against manufacturing defects to provide confidence in product reliability.