Timken 223520 Manual Transmission Output Shaft Seal - Front or Rear

Overview of Timken Manual Transmission Output Shaft Seal 223520

The Timken 223520 manual transmission output shaft seal is engineered to provide reliable sealing performance for select BMW and Nissan models. Constructed from durable S-nitrile material, this seal is designed to maintain transmission fluid integrity and prevent leaks in demanding driving conditions.

• Material: High-quality S-nitrile for enhanced resistance to heat and wear
• Outside Diameter: 1.980 inches (50.29 mm)
• Shaft Diameter: 1.378 inches (35.00 mm)
• Housing Bore Diameter: 1.969 inches (50.00 mm)
• Width: 0.315 inches (8.00 mm)

Technical Details and Specifications

The Timken 223520 output shaft seal features precise dimensions to ensure a proper fit and effective sealing in manual transmissions. The outside diameter measures 1.980 inches (50.29 mm), matching the housing bore diameter of 1.969 inches (50.00 mm) for a secure installation. The shaft diameter is 1.378 inches (35.00 mm), accommodating the output shaft size of compatible vehicles. With a width of 0.315 inches (8.00 mm), this seal balances durability and compact design to fit within tight transmission assemblies.

Compatible Vehicles and Applications

This manual transmission output shaft seal is compatible with a range of BMW and Nissan models, including BMW 318i, 318is, 318ti, 320i, 323Ci, 323i, 323is, 540i, 545i, 550i, 635CSi, 645Ci, 650i, 740i, 740iL, 745i, 745Li, 750i, 750iL, 750Li, 840Ci, 850Ci, 850CSi, 850i, M5, M6, Z3, and Z8, as well as Nissan Frontier and Xterra. The Timken 223520 seal is designed to maintain transmission fluid containment and prevent contamination in these specific manual transmission systems.

Common Issues Addressed by This Seal

• Prevents transmission fluid leaks from the output shaft area
• Reduces risk of contamination entering the transmission
• Minimizes wear on transmission components by maintaining proper lubrication
• Helps avoid costly transmission repairs due to seal failure
• Maintains optimal transmission performance and longevity

Installation Notes and Tips

When installing the Timken 223520 output shaft seal, ensure the transmission housing bore and shaft are clean and free of debris. Use appropriate tools to press the seal evenly into the housing bore without damaging the sealing lip. Verify the seal orientation matches manufacturer specifications to ensure proper sealing. It is recommended to inspect the output shaft for wear or damage before installation and replace if necessary to prevent premature seal failure.

Quality Assurance and Warranty

Timken manufactures the 223520 output shaft seal to meet stringent quality standards, utilizing S-nitrile material for durability and resistance to heat and chemicals commonly found in transmission environments. This part is backed by Timken's quality assurance processes to ensure consistent performance. Warranty coverage details should be confirmed with the original equipment manufacturer or authorized distributor.