National 2027 Manual Transmission Shift Shaft Seal

Overview of National 2027 Manual Transmission Shift Shaft Seal

The National 2027 manual transmission shift shaft seal is engineered to provide reliable sealing performance for various manual transmission applications. Designed with durable nitrile material, this oil seal helps maintain transmission integrity in vehicles such as Audi, Nissan, Subaru, and Volkswagen models.

• Inside diameter: 15.000 mm (0.591 inch)
• Outside diameter: 24.200 mm (0.953 inch)
• Thickness/width: 5.000 mm (0.197 inch)
• Sealing material: Nitrile for resistance to oil and wear
• Compatible with housing bore size: 24.000 mm (0.945 inch)

Technical Details and Specifications

The National 2027 shift shaft seal is part of the 2000 series and is constructed from nitrile, a material known for its oil resistance and durability under transmission operating conditions. The seal features a 15 mm inside diameter to fit the shift shaft precisely, while the 24.2 mm outside diameter ensures a secure fit within the housing bore. With a thickness of 5 mm, this seal maintains a tight barrier to prevent oil leaks and contamination.

Compatible Vehicles and Applications

This manual transmission shift shaft seal is compatible with a range of vehicles including Audi A3, A4, A5 Quattro, Volkswagen Golf, GTI, Jetta, and Beetle, as well as Nissan 240SX, 300ZX, Frontier, Pathfinder, and Subaru Forester, Impreza, WRX, and Outback models. It is designed to meet the sealing requirements of these vehicles’ manual transmissions, ensuring proper function and longevity.

Common Issues Addressed by the National 2027 Seal

• Prevents oil leaks from the manual transmission shift shaft area
• Reduces contamination ingress that can cause transmission wear
• Maintains proper lubrication within the transmission system
• Helps avoid transmission shifting problems caused by seal failure
• Protects internal transmission components from dirt and debris

Installation Notes and Tips

When installing the National 2027 shift shaft seal, ensure the housing bore is clean and free of debris. Use appropriate tools to press the seal evenly into place without damaging the nitrile material. Verify the shaft diameter matches the 15 mm inside diameter of the seal for a proper fit. Lubricate the seal lip lightly with transmission fluid before installation to reduce initial wear.

Quality Assurance and Warranty

National manufactures the 2027 shift shaft seal to meet industry standards for durability and performance. The nitrile material and precise dimensions contribute to a reliable sealing solution for manual transmissions. While specific warranty details may vary, National products typically come with a limited warranty against manufacturing defects, ensuring confidence in the part’s quality.