SKF 21134 Automatic Transmission Oil Pump Seal - Front

Reliable Automatic Transmission Oil Pump Seal by SKF

The SKF 21134 automatic transmission oil pump seal is engineered to provide precise sealing performance for various vehicle makes and models. Designed with durable nitrile sealing surfaces, this seal ensures effective containment of transmission fluid, helping maintain optimal transmission function.

• Width: 0.438 inches for accurate fitment
• Outside Diameter: 3.001 inches for compatibility with specific transmission pumps
• Shaft Diameter: 2.125 inches to match OEM specifications
• Sealing Surface Type: Nitrile for resistance to heat and transmission fluids
• Part Number: 21134 for easy identification and replacement

Technical Details and Material Specifications

The SKF 21134 automatic transmission oil pump seal features a nitrile sealing surface, known for its resistance to petroleum-based fluids and high temperatures commonly found in automatic transmissions. The seal’s dimensions—0.438 inch width, 3.001 inch outside diameter, and 2.125 inch shaft diameter—are designed to meet or exceed OEM standards, ensuring a secure fit and reliable sealing performance. This precision-engineered seal helps prevent fluid leaks that can lead to transmission damage or reduced efficiency.

Compatible Vehicles and Applications

This automatic transmission oil pump seal is compatible with a range of vehicle makes and models requiring a 3.001 inch outside diameter and 2.125 inch shaft diameter seal. It is commonly used in automatic transmissions where maintaining fluid integrity is critical. For example, it fits certain Ford, Chevrolet, and Dodge automatic transmissions, among others. Always verify fitment with your vehicle’s specifications before installation.

Common Issues Addressed by the SKF 21134 Seal

• Prevents transmission fluid leaks that cause low fluid levels
• Reduces risk of transmission overheating due to fluid loss
• Eliminates contamination entry into the transmission system
• Maintains hydraulic pressure for smooth gear shifting
• Prevents premature wear of transmission components

Installation Notes and Tips

Proper installation of the SKF 21134 seal is critical for optimal performance. Ensure the transmission oil pump and shaft are clean and free of debris before installation. Use appropriate tools to avoid damaging the nitrile sealing surface. Lubricate the seal lightly with transmission fluid to ease installation and prevent twisting. Verify the seal is seated evenly and flush with the pump housing to avoid leaks.

Quality Assurance and Warranty Information

SKF manufactures the 21134 automatic transmission oil pump seal to meet stringent quality standards. The nitrile material and precise dimensions ensure durability and reliable sealing under normal operating conditions. SKF typically offers a limited warranty against manufacturing defects; please consult product documentation or SKF directly for specific warranty terms.