{"product_id":"inmotion-ws4989-wheel-seal-rear-inner","title":"InMotion WS4989 Wheel Seal - Rear Inner","description":"\u003ch2\u003eRear Inner Differential Pinion Seal for Mitsubishi and Dodge\u003c\/h2\u003e\u003cp\u003eThe InMotion WS4989 is a nitrile wheel seal built to help maintain a secure barrier at the differential pinion area. It is sized for a precise fit and is listed for rear inner applications on select Mitsubishi and Dodge trucks and SUVs.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNitrile seal material for durable sealing performance\u003c\/li\u003e\n\u003cli\u003eInside diameter: 1.457 in.\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 2.451 in.\u003c\/li\u003e\n\u003cli\u003eWidth: 0.551 in.\u003c\/li\u003e\n\u003cli\u003eShaft diameter: 1.457 in.\u003c\/li\u003e\n\u003cli\u003eHousing bore: 2.441 in.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment Details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 1997-2004 Mitsubishi Montero Sport, rear inner.\u003c\/li\u003e\n\u003cli\u003eFits 1983-2000 Mitsubishi Montero, rear inner.\u003c\/li\u003e\n\u003cli\u003eFits 1983-1996 Mitsubishi Mighty Max, rear inner.\u003c\/li\u003e\n\u003cli\u003eFits 1983-1993 Dodge Ram 50, rear inner.\u003c\/li\u003e\n\u003cli\u003eFits 1987-1989 Dodge Raider, rear inner.\u003c\/li\u003e\n\u003cli\u003eFits 1983-1986 Dodge Power Ram 50, rear inner.\u003c\/li\u003e\n\u003cli\u003eFits 1979-1982 Dodge D50, rear inner.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eInMotion WS4989 is engineered for rear inner differential sealing where contamination control matters. The nitrile construction helps form a tight seal around the shaft and housing bore, reducing the chance of gear oil leakage and helping keep moisture and debris away from sensitive internal components. This part is a direct-fit style seal for select Mitsubishi Montero, Mitsubishi Montero Sport, Mitsubishi Mighty Max, Dodge Ram 50, Dodge Raider, Dodge Power Ram 50, and Dodge D50 applications.\u003c\/p\u003e\u003cp\u003eThis part cross-references Monroe Shocks \u0026amp; Struts (e.g., 172286, 182286) for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Issues This Seal Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGear oil seepage at the differential pinion area\u003c\/li\u003e\n\u003cli\u003eContamination from dirt, road debris, or moisture\u003c\/li\u003e\n\u003cli\u003eWear-related sealing loss at the rear inner position\u003c\/li\u003e\n\u003cli\u003eReduced protection for internal differential components\u003c\/li\u003e\n\u003cli\u003eService replacement for aging Mitsubishi and Dodge driveline seals\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eConfirm the rear inner position and verify shaft diameter, housing bore, and seal dimensions before installation. Clean the sealing surface and inspect the pinion area for wear, scoring, or contamination that could affect seal life. Proper seating and alignment are important to maintain a reliable seal after service.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eInMotion manufactures this seal with precision and high-quality materials to support consistent sealing performance in driveline service.\u003c\/p\u003e","brand":"InMotion","offers":[{"title":"Default Title","offer_id":52409522651317,"sku":"HKKS-WS4989","price":6.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WJ_WS4989_Fro.jpg?v=1777783535","url":"https:\/\/www.partcatalog.com\/products\/inmotion-ws4989-wheel-seal-rear-inner","provider":"PartCatalog","version":"1.0","type":"link"}