InMotion WS450185 Transfer Case Output Shaft Seal - Front or Rear Rearward
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InMotion

InMotion WS450185 Transfer Case Output Shaft Seal - Front or Rear Rearward

Brand InMotion WS450185
Position Front and Rear Rearward
Inside Diameter 1.5620000000000001
Thickness 0.5
Outside Diameter 2.5059999999999998
Shaft Diameter 1.5620000000000001
Sealing Material Nitrile
Housing Bore 2.5019999999999998
Fits Chevrolet, Ford, GMC, International, and Jeep · 238 vehicles

Precision seal. Nitrile construction helps maintain a reliable barrier against fluid loss and contamination.

Exact sizing. 1.562 in inside diameter and 2.506 in outside diameter support accurate sealing fit.

Service-ready fit. Built for classic transfer case applications that require a 2.502 in housing bore.

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Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Transfer Case Output Shaft Seal options

Transfer Case Output Shaft Seal Overview

InMotion WS450185 is a transfer case output shaft seal built to keep contaminants out and fluid in. It uses nitrile sealing material and precise dimensions to support a secure seal in compatible applications across classic Ford, Jeep, Chevrolet, GMC, and International drivetrains.

Key Features

  • Nitrile sealing material for dependable fluid control and contaminant resistance.
  • Precision dimensions: 1.562 in inside diameter, 2.506 in outside diameter, and 0.5 in thickness.
  • Fits transfer case applications that require a 2.502 in housing bore.
  • Compatible with a wide range of vintage 4x4 platforms, including Ford Bronco, Jeep Wagoneer, and Chevrolet K10 Pickup applications.
  • Part number WS450185 for easy identification during ordering and service lookup.

Detailed Description

This transfer case output shaft seal is engineered for applications that need a tight sealing interface around the shaft and housing bore. The nitrile construction helps maintain a reliable barrier against moisture, dirt, and lubricant loss, while the listed dimensions support accurate fitment in the specified transfer case sealing locations. Fits 1966-1976 Ford Bronco, front; Fits 1966-1971 Jeep Commando, front; Fits 1973-1974 Chevrolet K10 Pickup, front with Spicer 20 Transfer Case. WS450185 is also listed for additional Jeep, Ford, GMC, Chevrolet, and International applications, including classic 4x4 models that use Spicer 20 transfer case configurations.

What It Helps Address

  • Transfer case fluid seepage at the output shaft seal area.
  • Contamination from dirt and moisture entering the sealed assembly.
  • Wear-related sealing loss caused by aging rubber components.
  • Service issues on vintage 4x4 drivetrains that require a precise seal size.

Installation Notes and Quality

Verify shaft diameter, housing bore, and transfer case configuration before installation. Match the application notes carefully, especially where Spicer 20 transfer case fitment is specified. Clean the sealing surfaces thoroughly and inspect the shaft for wear or scoring before installing the new seal. InMotion focuses on precision manufacturing and durable materials for sealing components.

This part fits 238 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypePositionNotes
1976FordBronco4WDRear Rearwardwith Spicer 20 Transfer Case
1976FordF-1004WDFront—
1975FordBronco4WDRear Rearwardwith Spicer 20 Transfer Case
1975FordF-1004WDFront—
1974ChevroletBlazer4WDFrontwith Spicer 20 Transfer Case
1974ChevroletK10 Pickup—Frontwith Spicer 20 Transfer Case
1974ChevroletK10 Suburban—Frontwith Spicer 20 Transfer Case
1974ChevroletK20 Pickup—Frontwith Spicer 20 Transfer Case
1974ChevroletK20 Suburban—Front—
1974ChevroletK30 Pickup—Rear Rearward—
1974FordBronco—Rear Rearwardwith Spicer 20 Transfer Case
1974FordF-1004WDFront—
1974GMCJimmy4WDFront—
1974GMCK15/K1500 Pickup—Rear Rearwardwith Spicer 20 Transfer Case
1974GMCK15/K1500 Suburban—Front—
1974GMCK25/K2500 Pickup—Front—
1974GMCK25/K2500 Suburban—Frontwith Spicer 20 Transfer Case
1974GMCK35/K3500 Pickup—Front—
1973ChevroletBlazer4WDFrontwith Spicer 20 Transfer Case
1973ChevroletK10 Pickup—Frontwith Spicer 20 Transfer Case
1973ChevroletK10 Suburban—Frontwith Spicer 20 Transfer Case
1973ChevroletK20 Pickup—Frontwith Spicer 20 Transfer Case
1973ChevroletK20 Suburban—Front—
1973ChevroletK30 Pickup—Rear Rearward—
1973FordBronco—Rear Rearwardwith Spicer 20 Transfer Case
1973FordF-1004WDFront—
1973GMCJimmy4WDFront—
1973GMCK15/K1500 Pickup—Rear Rearwardwith Spicer 20 Transfer Case
1973GMCK15/K1500 Suburban—Front—
1973GMCK25/K2500 Pickup—Front—
1973GMCK25/K2500 Suburban—Frontwith Spicer 20 Transfer Case
1973GMCK35/K3500 Pickup—Front—
1972ChevroletBlazer4WDFrontwith Spicer 20 Transfer Case
1972FordBronco—Rear Rearwardwith Spicer 20 Transfer Case
1972FordF-1004WDFront—
1972InternationalScout II—Front—
1972JeepCJ5—Front2.506in Outside Diameter
1972JeepCJ6—Front2.506in Outside Diameter
1972JeepCommando—Front2.506in Outside Diameter
1972JeepJ-100—Rear Rearward2.506in Outside Diameter
1972JeepJ-2500—Rear Rearward2.506in Outside Diameter
1972JeepJ-2600—Rear Rearward2.506in Outside Diameter
1972JeepJ-4500—Rear Rearward2.506in Outside Diameter
1972JeepJ-4600—Front—
1972JeepJ-4700—Rear Rearward2.506in Outside Diameter
1972JeepJ-4800—Front2.506in Outside Diameter
1972JeepWagoneer—Front2.506in Outside Diameter
1971FordBronco—Frontwith Spicer 20 Transfer Case
1971FordF-1004WDFront—
1971InternationalScout II—Frontwith Spicer 20 Transfer Case
1971JeepCommando—Front—
1971JeepJ-100—Front—
1971JeepJ-2500—Frontwith Spicer 20 Transfer Case
1971JeepJ-2600—Frontwith Spicer 20 Transfer Case
1971JeepJ-3800—Front—
1971JeepJ-4500—Front—
1971JeepJ-4600—Frontwith Spicer 20 Transfer Case
1971JeepJ-4700—Frontwith Spicer 20 Transfer Case
1971JeepJ-4800—Frontwith Spicer 20 Transfer Case
1971JeepJeepster—Front—
1971JeepWagoneer—Front—
1970FordBronco—Frontwith Spicer 20 Transfer Case
1970FordF-1004WDFront—
1970InternationalScout 800—Frontwith Spicer 20 Transfer Case
1970JeepCommando—Front—
1970JeepJ-100—Front—
1970JeepJ-2500—Frontwith Spicer 20 Transfer Case
1970JeepJ-2600—Frontwith Spicer 20 Transfer Case
1970JeepJ-2700—Front—
1970JeepJ-3500—Front—
1970JeepJ-3600—Frontwith Spicer 20 Transfer Case
1970JeepJ-3700—Front—
1970JeepJ-3800—Front—
1970JeepJ-4500—Front—
1970JeepJ-4600—Frontwith Spicer 20 Transfer Case
1970JeepJ-4700—Frontwith Spicer 20 Transfer Case
1970JeepJeepster—Front—
1970JeepWagoneer—Front—
1969FordBronco—Frontwith Spicer 20 Transfer Case
1969FordF-100—Front—
1969InternationalScout 800—Frontwith Spicer 20 Transfer Case
1969JeepCommando—Front—
1969JeepGladiator—Front—
1969JeepJ-100—Front—
1969JeepJ-2500—Frontwith Spicer 20 Transfer Case
1969JeepJ-2600—Frontwith Spicer 20 Transfer Case
1969JeepJ-2700—Front—
1969JeepJ-3500—Front—
1969JeepJ-3600—Frontwith Spicer 20 Transfer Case
1969JeepJ-3700—Front—
1969JeepJ-3800—Front—
1969JeepJeepster—Front—
1969JeepWagoneer—Front—
1968FordBronco4WDFront—
1968FordF-100—Front—
1968InternationalScout 800—Frontwith Spicer 20 Transfer Case
1968JeepCommando—Front—
1968JeepGladiator—Front—
1968JeepJ-100—Front—
1968JeepJ-2500—Frontwith Spicer 20 Transfer Case
1968JeepJ-2600—Frontwith Spicer 20 Transfer Case
1968JeepJ-2700—Front—
1968JeepJ-2800—Front—
1968JeepJ-3500—Front—
1968JeepJ-3600—Frontwith Spicer 20 Transfer Case
1968JeepJ-3700—Front—
1968JeepJ-3800—Front—
1968JeepJeepster—Front—
1968JeepWagoneer—Front—
1967FordBronco—Frontwith Spicer 20 Transfer Case
1967FordF-100—Front—
1967InternationalScout 800—Frontwith Spicer 20 Transfer Case
1967JeepCommando—Front—
1967JeepGladiator—Front—
1967JeepJ-100—Front—
1967JeepJ-2500—Frontwith Spicer 20 Transfer Case
1967JeepJ-2600—Frontwith Spicer 20 Transfer Case
1967JeepJ-2700—Front—
1967JeepJ-2800—Front—
1967JeepJ-3500—Front—
1967JeepJ-3600—Frontwith Spicer 20 Transfer Case
1967JeepJ-3700—Front—
1967JeepJ-3800—Front—
1967JeepJeepster—Front—
1967JeepWagoneer—Front—
1966FordBronco—Frontwith Spicer 20 Transfer Case
1966FordF-100—Front—
1966InternationalScout 800—Frontwith Spicer 20 Transfer Case
1966JeepCommando—Front—
1966JeepF-134—Frontwith Spicer 20 Transfer Case
1966JeepGladiator—Front—
1966JeepJ-100—Front—
1966JeepJ-2500—Frontwith Spicer 20 Transfer Case
1966JeepJ-2600—Frontwith Spicer 20 Transfer Case
1966JeepJ-2700—Front—
1966JeepJ-2800—Front—
1966JeepJ-3500—Front—
1966JeepJ-3600—Frontwith Spicer 20 Transfer Case
1966JeepJ-3700—Front—
1966JeepJ-3800—Front—
1966JeepJeepster—Front—
1966JeepTruck—Frontwith Spicer 20 Transfer Case
1966JeepWagoneer—Front—
1965Jeep6-230—Frontwith Spicer 20 Transfer Case
1965JeepF-134—Frontwith Spicer 20 Transfer Case
1965JeepGladiator—Front—
1965JeepJ-100—Front—
1965JeepJ-2500—Frontwith Spicer 20 Transfer Case
1965JeepJ-2600—Frontwith Spicer 20 Transfer Case
1965JeepJ-2700—Front—
1965JeepJ-2800—Front—
1965JeepJ-3500—Front—
1965JeepJ-3600—Frontwith Spicer 20 Transfer Case
1965JeepJ-3700—Front—
1965JeepJ-3800—Front—
1965JeepTruck—Frontwith Spicer 20 Transfer Case
1965JeepWagoneer—Front—
1964Jeep6-226—Front—
1964Jeep6-230—Frontwith Spicer 20 Transfer Case
1964JeepF-134—Frontwith Spicer 20 Transfer Case
1964JeepFJ3A—Front—
1964JeepGladiator—Front—
1964JeepJ-100—Front—
1964JeepJ-200—Frontwith Spicer 20 Transfer Case
1964JeepJ-210—Frontwith Spicer 20 Transfer Case
1964JeepJ-220—Front—
1964JeepJ-230—Front—
1964JeepJ-300—Front—
1964JeepJ-310—Frontwith Spicer 20 Transfer Case
1964JeepJ-320—Frontwith Spicer 20 Transfer Case
1964JeepJ-330—Frontwith Spicer 20 Transfer Case
1964JeepTruck—Frontwith Spicer 20 Transfer Case
1964JeepUtility Wagon—Frontwith Spicer 20 Transfer Case
1964JeepWagoneer—Front—
1963Jeep6-226—Front—
1963Jeep6-230—Frontwith Spicer 20 Transfer Case
1963JeepF-134—Frontwith Spicer 20 Transfer Case
1963JeepFJ3A—Front—
1963JeepGladiator—Front—
1963JeepJ-100—Front—
1963JeepJ-200—Frontwith Spicer 20 Transfer Case
1963JeepJ-210—Frontwith Spicer 20 Transfer Case
1963JeepJ-220—Front—
1963JeepJ-230—Front—
1963JeepJ-300—Front—
1963JeepJ-310—Frontwith Spicer 20 Transfer Case
1963JeepJ-320—Frontwith Spicer 20 Transfer Case
1963JeepJ-330—Frontwith Spicer 20 Transfer Case
1963JeepTruck—Frontwith Spicer 20 Transfer Case
1963JeepUtility Wagon—Frontwith Spicer 20 Transfer Case
1963JeepWagoneer—Front—
1962Jeep6-226—Front—
1962Jeep6-230—Frontwith Spicer 20 Transfer Case
1962JeepF-134—Frontwith Spicer 20 Transfer Case
1962JeepF4-134—Frontwith Spicer 20 Transfer Case
1962JeepFJ3A—Front—
1962JeepGladiator—Front—
1962JeepTruck—Frontwith Spicer 20 Transfer Case
1962JeepUtility—Frontwith Spicer 20 Transfer Case
1962JeepUtility Wagon—Frontwith Spicer 20 Transfer Case
1961Jeep6-226—Front—
1961JeepF-134—Frontwith Spicer 20 Transfer Case
1961JeepF4-134—Frontwith Spicer 20 Transfer Case
1961JeepFJ3A—Front—
1961JeepTruck—Frontwith Spicer 20 Transfer Case
1961JeepUtility—Frontwith Spicer 20 Transfer Case
1961JeepUtility Wagon—Frontwith Spicer 20 Transfer Case
1960Jeep6-226—Front—
1960JeepF-134—Frontwith Spicer 20 Transfer Case
1960JeepF4—Frontwith Spicer 20 Transfer Case
1960JeepF4-134—Frontwith Spicer 20 Transfer Case
1960JeepFA-134—Frontwith Spicer 20 Transfer Case
1960JeepTruck—Frontwith Spicer 20 Transfer Case
1960JeepUtility Wagon—Frontwith Spicer 20 Transfer Case
1959Jeep6-226—Front—
1959JeepF-134—Frontwith Spicer 20 Transfer Case
1959JeepF4—Frontwith Spicer 20 Transfer Case
1959JeepF4-134—Frontwith Spicer 20 Transfer Case
1959JeepFA-134—Frontwith Spicer 20 Transfer Case
1959JeepTruck—Frontwith Spicer 20 Transfer Case
1959JeepUtility Wagon—Frontwith Spicer 20 Transfer Case
1958Jeep6-226—Front—
1958JeepF-134—Frontwith Spicer 20 Transfer Case
1958JeepF4—Frontwith Spicer 20 Transfer Case
1958JeepF4-134—Frontwith Spicer 20 Transfer Case
1958JeepFA-134—Frontwith Spicer 20 Transfer Case
1958JeepTruck—Frontwith Spicer 20 Transfer Case
1958JeepUtility Wagon—Frontwith Spicer 20 Transfer Case
1957Jeep6-226—Front—
1957JeepF-134—Frontwith Spicer 20 Transfer Case
1957JeepF4—Frontwith Spicer 20 Transfer Case
1957JeepF4-134—Frontwith Spicer 20 Transfer Case
1957JeepTruck—Frontwith Spicer 20 Transfer Case
1957JeepUtility Wagon—Frontwith Spicer 20 Transfer Case
1956Jeep6-226—Front—
1956JeepTruck—Frontwith Spicer 20 Transfer Case
1956JeepUtility Wagon—Frontwith Spicer 20 Transfer Case
1955JeepWillys—Frontwith Spicer 20 Transfer Case