National 223050 Manual Transmission Output Shaft Seal - Front or Right

Overview of National 223050 Manual Transmission Output Shaft Seal

The National 223050 manual transmission output shaft seal is engineered to provide reliable sealing performance for select BMW, Porsche, Saab, and Subaru models. Designed with durable nitrile material and a clockwise-spiral lip design, this oil seal helps maintain transmission integrity by preventing fluid leaks and contamination.

• Inside diameter: 1.181 inches (30.000 mm)
• Outside diameter: 1.978 inches (50.230 mm)
• Thickness: 0.354 inches (9.000 mm)
• Sealing material: Nitrile for resistance to oil and wear
• Helix type: Clockwise-spiral lip design for effective sealing
• Compatible housing bore: 1.969 inches (50.000 mm)

Technical Details and Material Specifications

This manual transmission output shaft seal from National is part of the 220000 series, crafted from nitrile material known for its oil resistance and durability under high temperatures. The seal features a 32-type design with a precise fit for shafts measuring 1.181 inches in diameter. The clockwise-spiral lip design enhances sealing efficiency by directing contaminants away from the shaft, reducing wear and extending transmission life.

Compatible Vehicles and Applications

This output shaft seal is compatible with a range of BMW models including the 128i, 135i, 228i, 318i, 320i, 323i, 325i, 328i, 330i, 335i, 428i, 525i, 528i, 530i, 535i, M235i, Z3, and Z4. It also fits Porsche 911, Saab 9-2X, and Subaru models such as Baja, Forester, Impreza, Legacy, and Outback. The National 223050 seal is designed specifically for manual transmission output shafts, ensuring proper fit and function in these vehicles.

Common Issues Addressed by the Output Shaft Seal

• Prevents manual transmission fluid leaks
• Protects transmission internals from dirt and debris
• Reduces shaft wear caused by contamination
• Maintains proper lubrication within the transmission
• Helps avoid costly transmission repairs due to seal failure

Installation Notes and Tips

When installing the National 223050 output shaft seal, ensure the housing bore and shaft 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 clockwise-spiral lip design to optimize sealing performance. It is recommended to inspect the shaft for wear or damage before installation and replace if necessary to prevent premature seal failure.

Quality Assurance and Warranty Information

National manufactures this output shaft seal to meet industry standards for durability and performance. The nitrile material and design specifications ensure resistance to oil degradation and mechanical wear. While specific warranty details may vary, National products typically come with a limited warranty against manufacturing defects, providing confidence in the part's reliability for your BMW, Porsche, Saab, or Subaru manual transmission repair needs.