National 470460 Automatic Transmission Oil Pump Seal - Front

Overview of National 470460 Automatic Transmission Oil Pump Seal

The National 470460 automatic transmission oil pump seal is engineered for reliable sealing performance in Toyota Corolla and Toyota Corona models. Designed with precision dimensions and durable nitrile material, this oil seal helps maintain transmission integrity and fluid containment.

• Inside diameter: 1.687 inches (42.850 mm)
• Outside diameter: 2.565 inches (65.150 mm)
• Thickness/width: 0.500 inches (12.700 mm)
• Sealing material: Nitrile for resistance to transmission fluids
• Redicoat coating for enhanced durability
• Compatible with Toyota Corolla and Toyota Corona transmissions
• Part number 470460 ensures exact fit and zero duplication

Detailed Product Description and Specifications

This National automatic transmission oil pump seal (part number 470460) is manufactured from nitrile, a material known for its excellent resistance to heat, oil, and wear. The seal features an inside diameter of 1.687 inches (42.850 mm) and an outside diameter of 2.565 inches (65.150 mm), with a thickness of 0.500 inches (12.700 mm). These precise dimensions ensure a secure fit within the transmission housing bore, which measures approximately 2.561 inches (65.050 mm). The Redicoat treatment adds an extra layer of protection against corrosion and wear, extending the service life of the seal. This part is designed specifically for use in Toyota Corolla and Toyota Corona automatic transmissions, providing a reliable seal for the oil pump to prevent fluid leaks and maintain optimal transmission performance.

Common Applications and Problem Solving

• Prevents automatic transmission fluid leaks in Toyota Corolla and Corona models
• Maintains proper oil pump pressure and fluid flow
• Reduces risk of transmission overheating due to fluid loss
• Helps avoid premature transmission wear caused by contamination
• Replaces worn or damaged seals to restore transmission reliability

Installation Notes and Tips

• Ensure the transmission housing bore is clean and free of debris before installation
• Verify the seal dimensions match the original part to avoid fitment issues
• Use appropriate tools to press the seal evenly into place without distortion
• Inspect the shaft surface for wear or damage prior to seal installation
• Apply a light coating of transmission fluid to the seal lip to facilitate installation

Quality Assurance and Warranty Information

National transmission seals are manufactured to meet strict industry standards for durability and performance. The 470460 oil pump seal undergoes rigorous quality control to ensure dimensional accuracy and material integrity. This part is a zero duplication component, guaranteeing it is an original and precise replacement for compatible Toyota Corolla and Corona transmissions. While specific warranty details may vary, National typically offers coverage against manufacturing defects to support long-term reliability.