SKF 21172 Automatic Transmission Oil Pump Seal - Front

Overview of the SKF 21172 Automatic Transmission Oil Pump Seal

The SKF 21172 automatic transmission oil pump seal is designed specifically for Chevrolet Bel Air models. Engineered with precision, this seal ensures reliable performance by maintaining proper sealing within the transmission oil pump assembly.

• Width: 0.438 inches for precise fitment
• Outside Diameter: 3.005 inches to match OEM specifications
• Shaft Diameter: 2.125 inches for accurate sealing surface contact
• Sealing Surface Type: Nitrile material for durability and resistance to transmission fluids
• Compatible with Chevrolet Bel Air automatic transmissions

Detailed Product Description

The SKF 21172 automatic transmission oil pump seal is manufactured using nitrile, a material known for its excellent resistance to heat, oil, and wear. With a width of 0.438 inches and an outside diameter of 3.005 inches, this seal fits precisely around the transmission oil pump shaft, which measures 2.125 inches in diameter. This precise sizing helps prevent fluid leaks and maintains optimal hydraulic pressure within the transmission system. The seal’s nitrile construction provides a reliable barrier against transmission fluid leakage, which is critical for the smooth operation of the Chevrolet Bel Air’s automatic transmission.

Applications and Problem Solving

• Prevents automatic transmission fluid leaks in Chevrolet Bel Air models
• Maintains hydraulic pressure for consistent transmission performance
• Reduces risk of transmission overheating caused by fluid loss
• Helps avoid premature wear of transmission components due to fluid contamination
• Ensures proper sealing in the transmission oil pump assembly

Installation Notes and Tips

When installing the SKF 21172 transmission oil pump seal, ensure the shaft and housing surfaces are clean and free of debris. Lubricate the nitrile sealing surface lightly with transmission fluid to ease installation and prevent damage. Use appropriate tools to press the seal evenly into place without distortion. Verify the seal’s orientation matches OEM specifications to maintain proper sealing function. It is recommended to inspect related transmission components during installation for wear or damage.

Quality Assurance and Warranty

SKF manufactures the 21172 automatic transmission oil pump seal to meet strict quality standards, ensuring consistent dimensions and material integrity. The nitrile sealing surface is tested for resistance to transmission fluids and temperature variations. While specific warranty details are not provided, SKF products typically come with manufacturer-backed quality assurance to support reliable automotive performance.