National 472015 Automatic Transmission Oil Pump Seal - Front

Overview of National 472015 Automatic Transmission Oil Pump Seal

The National 472015 automatic transmission oil pump seal is engineered for reliable sealing performance in Chevrolet Bel Air transmissions. Designed with precision dimensions and durable nitrile material, this oil seal helps maintain transmission fluid integrity and prevents leaks.

• Inside diameter: 2.125 inches (53.980 mm)
• Outside diameter: 3.005 inches (76.330 mm)
• Thickness/width: 0.375 inches (9.530 mm)
• Sealing material: Nitrile for resistance to heat and wear
• Redicoat coating for enhanced durability
• Compatible with Chevrolet Bel Air automatic transmissions
• Part number: 472015

Detailed Product Description

This National 472015 oil seal is specifically designed for the automatic transmission oil pump in Chevrolet Bel Air models. The seal features a nitrile construction, known for its resistance to heat, oil, and wear, ensuring a long service life under demanding transmission conditions. With an inside diameter of 2.125 inches and an outside diameter of 3.005 inches, it fits precisely within the housing bore of 3.000 inches, providing a secure seal around the transmission shaft. The 0.375-inch thickness offers optimal sealing pressure without compromising flexibility. Additionally, the Redicoat treatment enhances the seal’s resistance to corrosion and wear, contributing to consistent performance over time.

Common Applications and Issues Addressed

• Prevents automatic transmission fluid leaks in Chevrolet Bel Air transmissions
• Reduces risk of contamination entering the transmission system
• Maintains proper hydraulic pressure within the transmission oil pump
• Helps avoid premature transmission wear caused by fluid loss
• Addresses seal degradation due to heat and mechanical stress

Installation Notes and Tips

• Ensure the transmission housing bore is clean and free of debris before installation
• Use appropriate tools to avoid damaging the nitrile seal during installation
• Verify the seal orientation matches the original part for proper function
• Check shaft and bore dimensions to confirm compatibility with part number 472015
• Apply a light coating of transmission fluid to the seal lip before installation to ease fitting

Quality Assurance and Warranty

National’s 472015 automatic transmission oil pump seal is manufactured to meet strict quality standards, ensuring reliable sealing performance for Chevrolet Bel Air transmissions. The seal is a zero duplication part, guaranteeing an exact fit and function. While specific warranty details may vary, National products typically come with a limited warranty against manufacturing defects, providing confidence in product durability and performance.