National 223235 Manual Transmission Input Shaft Seal - Front

Overview of National 223235 Manual Transmission Input Shaft Seal

The National 223235 manual transmission input shaft seal is engineered to provide reliable sealing performance for select Acura, Chevrolet, Geo, and Toyota vehicles. Designed with precision dimensions and durable polyacrylate material, this oil seal helps maintain transmission integrity and prevent fluid leaks.

• Inside diameter: 1.260 inches (32.000 mm)
• Outside diameter: 1.820 inches (46.230 mm)
• Thickness/width: 0.236 inches (6.000 mm)
• Sealing material: Polyacrylate for enhanced durability
• Compatible with housing bore size approximately 1.811 inches (46.000 mm)

Technical Details and Specifications

This National 223235 input shaft seal is part of the 220000 series and is specifically designed for manual transmissions requiring a 32 mm shaft seal. The polyacrylate sealing material offers resistance to heat and transmission fluids, ensuring a tight seal around the input shaft. The precise dimensions, including a 1.260 inch inside diameter and 1.820 inch outside diameter, make it suitable for applications in vehicles such as the Acura NSX, Chevrolet Nova, Geo Prizm, Toyota Celica, Corolla, MR2, and Tercel.

Applications and Common Issues Addressed

• Prevents transmission fluid leaks from the input shaft area
• Reduces contamination of transmission internals by dirt and debris
• Maintains proper lubrication within the manual transmission system
• Helps avoid premature wear of transmission components
• Addresses common seal failure issues in Acura, Chevrolet, Geo, and Toyota manual transmissions

Installation Notes and Tips

When installing the National 223235 input shaft seal, ensure the transmission housing bore is clean and free of debris. Use appropriate tools to press the seal evenly into place without damaging the sealing lip. Verify the shaft diameter matches the 1.260 inch (32 mm) specification for proper fitment. Lubricate the seal lip lightly with transmission fluid before installation to reduce initial wear.

Quality Assurance and Warranty Information

National manufactures the 223235 input shaft seal to meet industry standards for durability and performance. The polyacrylate material is selected for its resistance to heat and fluid exposure, contributing to long service life. This part is backed by National's quality assurance processes, ensuring consistent fit and function for compatible Acura, Chevrolet, Geo, and Toyota models.