National 223051 Manual Transmission Output Shaft Seal - Left

Overview of National Manual Transmission Output Shaft Seal 223051

The National 223051 manual transmission output shaft seal is engineered to provide reliable sealing performance for select Saab and Subaru models. Designed with precision dimensions and durable polyacrylate material, this oil seal helps maintain transmission integrity and prevent fluid leaks.

• Inside diameter: 1.181 inches (30.000 mm)
• Outside diameter: 1.978 inches (50.230 mm)
• Thickness/width: 0.354 inches (9.000 mm)
• Sealing material: Polyacrylate for enhanced durability
• Counter-clockwise spiral lip design for effective sealing
• Compatible housing bore: 1.969 inches (50.000 mm)

Technical Details and Material Specifications

This National manual transmission output shaft seal (part number 223051) features a polyacrylate sealing material known for its resistance to heat and wear, making it suitable for demanding transmission environments. The counter-clockwise spiral lip design improves sealing efficiency by directing fluid back into the transmission, reducing the risk of leaks. With an inside diameter of 1.181 inches and an outside diameter of 1.978 inches, this seal fits precisely within the housing bore of 1.969 inches, ensuring a secure fit on the output shaft.

Compatible Vehicles and Applications

This output shaft seal is compatible with various Saab and Subaru models, including the Saab 9-2X and Subaru models such as the Baja, Forester, Impreza, Legacy, and Outback. It is specifically designed for manual transmission systems requiring a 32-type seal with the specified dimensions, making it a suitable replacement part for maintaining transmission performance and preventing oil leaks.

Common Issues Addressed by the Output Shaft Seal

• Prevents manual transmission fluid leaks around the output shaft
• Reduces contamination ingress into the transmission system
• Minimizes wear on transmission components by maintaining proper lubrication
• Helps avoid transmission overheating caused by fluid loss
• Maintains consistent transmission performance and longevity

Installation Notes and Tips

When installing the National 223051 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 the bore without damaging the sealing lip. Verify the seal orientation matches the counter-clockwise spiral lip design to optimize sealing effectiveness. It is recommended to inspect related transmission components during installation for wear or damage.

Quality Assurance and Warranty Information

National transmission seals are manufactured to meet industry standards for durability and performance. The 223051 output shaft 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.