SKF 9664 Power Steering Pump Shaft Seal

SKF 9664 Power Steering Pump Shaft Seal

The SKF 9664 power steering pump shaft seal is built for steering systems that need reliable fluid retention and contamination control. It is a direct-fit sealing component for select Buick, Oldsmobile, Pontiac, and Chevrolet applications from 1952-1955.

Key Features

• Power steering pump shaft seal for steering system service
• Nitrile sealing surface type for fluid sealing performance
• 0.969 shaft diameter for the specified pump shaft size
• 1.690 outside diameter for proper housing fit
• 0.313 width for compact seal placement
• SKF part number 9664 for catalog and cross-reference lookup

Application Details

SKF 9664 is a steering gasket and sealing system component designed around the seal dimensions and material listed above. SKF has a long history in shaft seal engineering, and this seal reflects that experience with premium materials selected for the operating environment. It is used in power steering pump service where maintaining hydraulic fluid inside the pump and keeping dirt and debris out are critical. This part cross-references 1384K1 and 534684 for the same application.

Compatible With 1954-1955 Buick Century, 1953-1955 Buick Roadmaster, 1954-1955 Oldsmobile 88, 1952-1955 Oldsmobile 98, 1954-1955 Pontiac Catalina, and 1953-1954 Chevrolet Bel Air. The SKF 9664 is also referenced by technicians searching for a power steering pump shaft seal for 1950s Buick, Oldsmobile, Pontiac, and Chevrolet steering repair.

Common Issues This Seal Can Address

• Power steering fluid leaking from the pump shaft area
• Contamination entering the steering pump through a worn seal
• Reduced hydraulic sealing at the pump shaft interface
• Service replacement for a hardened or damaged original seal
• Steering pump maintenance on vintage Buick, Oldsmobile, Pontiac, and Chevrolet vehicles

Installation Notes and Tips

Verify shaft diameter, outside diameter, and seal width before installation to confirm the SKF 9664 matches the pump being serviced. Inspect the shaft surface and housing bore for wear, scoring, or corrosion before fitting the new seal. Clean all sealing surfaces thoroughly so the nitrile sealing lip can seat correctly and maintain fluid control.

Quality Assurance

SKF manufactures seals to specific designs using premium materials and quality-controlled production methods. The brand’s seal engineering heritage dates back to the first integrated shaft seal in 1928, and SKF seals have been used for decades to help retain lubricants and exclude contaminants in demanding automotive applications.