National 472705 Manual Transmission Shift Shaft Seal

Overview of National 472705 Manual Transmission Shift Shaft Seal

The National 472705 manual transmission shift shaft seal is engineered for reliable sealing performance in Pontiac Tempest vehicles. Designed with precision, this oil seal helps maintain transmission integrity by preventing fluid leaks and contamination.

• Inside diameter: 0.562 inch (14.270 mm)
• Outside diameter: 1.004 inch (25.500 mm)
• Thickness: 0.250 inch (6.350 mm)
• Sealing material: durable nitrile rubber
• Redicoat coating for enhanced wear resistance
• Compatible with Pontiac Tempest manual transmissions
• Part number 472705 ensures exact fit and function

Detailed Product Description

The National 472705 manual transmission shift shaft seal is constructed from nitrile, a material known for its resistance to oil, heat, and wear. With an inside diameter of 0.562 inch and an outside diameter of 1.004 inch, this seal fits precisely within a 1.000 inch housing bore, providing a secure barrier around the shift shaft. The 0.250 inch thickness offers durability without compromising flexibility. The Redicoat finish adds an extra layer of protection against abrasion and corrosion, extending the service life of the seal. This part is a zero duplication component, ensuring it meets original equipment specifications for the Pontiac Tempest manual transmission system.

Common Applications and Problem Solving

• Prevents manual transmission fluid leaks around the shift shaft
• Protects transmission internals from dirt and debris ingress
• Reduces wear on the shift shaft by maintaining proper lubrication
• Helps maintain smooth shifting performance by preserving seal integrity
• Addresses common seal failure issues in Pontiac Tempest manual transmissions

Installation Notes and Tips

• Ensure the housing bore is clean and free of debris before installation
• Use appropriate tools to avoid damaging the nitrile seal during fitting
• Verify the seal orientation matches the original part for optimal sealing
• Lubricate the seal lip lightly with transmission fluid before installation
• Check shaft and bore dimensions to confirm compatibility with part number 472705

Quality Assurance and Warranty

National manufactures the 472705 manual transmission shift shaft seal to meet strict quality standards. The use of nitrile material and Redicoat technology ensures durability and reliable sealing performance. This part is designed as a zero duplication component, matching original equipment specifications for the Pontiac Tempest. While specific warranty details may vary, National products typically come with a limited warranty against defects in materials and workmanship.