SKF 8637 Steering Gear Worm Shaft Seal
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SKF 8637 Steering Gear Worm Shaft Seal

Brand SKF 8637
Fits Ford, Chevrolet, GMC, Studebaker, and Jeep · 3 vehicles

Nitrile sealing surface. Helps keep lubricants in and contaminants out.

Steering gear seal. Built for dependable sealing performance in the steering system.

SKF seal design. Backed by decades of seal engineering and development.

Cross-references Four Seasons 64191, 270954 and 482351C91 for the same application. See all 7.

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SKF 8637 Steering Gear Worm Shaft Seal

The SKF 8637 steering gear worm shaft seal is built for steering gear sealing where lubricant retention and contamination control matter. It uses a nitrile sealing surface and precise dimensions to match the shaft and housing requirements of the application.

Key Features

  • Steering gear worm shaft seal for service and repair work
  • Nitrile sealing surface type for dependable fluid sealing
  • 0.875 shaft diameter for the specified steering gear shaft size
  • 1.312 outside diameter for housing fitment
  • 0.250 width for compact sealing depth
  • SKF part number 8637 for direct catalog identification

Detailed Description

SKF 8637 is a steering gear worm shaft seal designed around exact dimensional requirements: 0.875 shaft diameter, 1.312 outside diameter, and 0.250 width. SKF has a long history in seal engineering, and this seal reflects that focus with premium material selection and application-specific design. It is intended to help keep steering gear lubricant in place while limiting the entry of dirt and other contaminants. This part cross-references Four Seasons 64191 for the same application.

Compatible With 1973-1975 Ford F-250 steering gear applications, SKF 8637 supports repair work on the steering system of these trucks. For buyers searching Ford F-250 steering gear worm shaft seal 8637 or SKF 8637 Ford F-250 seal, this part matches the listed fitment years and steering gear sealing dimensions.

Common Repair Uses

  • Steering gear oil seepage at the worm shaft
  • Contamination entering the steering gear housing
  • Loss of lubricant from worn or hardened seals
  • Steering gear service on 1973-1975 Ford F-250 trucks
  • Replacement of a damaged or aged worm shaft seal

Installation Notes and Tips

Confirm shaft diameter, housing diameter, and seal width before installation. Inspect the steering gear shaft surface for wear, scoring, or corrosion, since seal performance depends on a smooth sealing surface. Clean the housing thoroughly and verify the seal seats evenly during assembly. Use the vehicle fitment data exactly as listed: Fits 1973-1975 Ford F-250, N/A.

Quality Assurance

SKF manufactures seals to specific designs and material requirements for the application and operating environment. The brand’s seal engineering background and controlled manufacturing standards support long service life and reliable steering gear sealing performance.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypePositionNotes
1975FordF-2504WDN/AStd.
1974FordF-2504WDN/AStd.
1973FordF-2504WDN/AStd.
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 64191270954482351C91541485M11458863797598637CHR 8637