{"product_id":"inmotion-ws3604-differential-pinion-seal-front-outer-rear-or-rear-outer","title":"InMotion WS3604 Differential Pinion Seal - Front Outer, Rear or Rear Outer","description":"\u003ch2\u003eDifferential Pinion Seal for Ford Applications\u003c\/h2\u003e\u003cp\u003eThe InMotion WS3604 differential pinion seal is built to create a secure barrier at the pinion area, helping keep contaminants out and gear oil in. It is a direct-fit sealing solution for a wide range of Ford, Lincoln, Mercury, and Mazda driveline applications, including Ford F-150, Mustang, Explorer, and Ranger models.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrecision-made differential pinion seal for driveline sealing service\u003c\/li\u003e\n\u003cli\u003eHelps block moisture, dirt, and road debris from entering the differential\u003c\/li\u003e\n\u003cli\u003eSupports leak control at the pinion area\u003c\/li\u003e\n\u003cli\u003eBuilt from high-quality materials for dependable sealing performance\u003c\/li\u003e\n\u003cli\u003eCompatible with many Ford axle and ring gear configurations\u003c\/li\u003e\n\u003cli\u003ePart number WS3604 for easy identification and ordering\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eInMotion WS3604 is a differential pinion seal designed for vehicles that use Ford axle, Visteon axle, IRS, and select ring gear setups. It is used on front outer and rear outer applications, as well as rear and rear outer positions depending on the vehicle. This seal is a practical replacement when servicing the differential pinion area on trucks, SUVs, and passenger cars that need a tight seal to maintain proper lubrication and protect internal components. This part number, WS3604, is listed across a broad range of Ford F-150, Mustang, Explorer, and Ranger fitments, along with Lincoln, Mercury, and Mazda models.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGear oil seepage at the differential pinion seal\u003c\/li\u003e\n\u003cli\u003eContamination from dirt, water, and debris entering the differential\u003c\/li\u003e\n\u003cli\u003eWear-related sealing loss during driveline service\u003c\/li\u003e\n\u003cli\u003eMaintenance needs on Ford F-150, Mustang, Explorer, and Ranger axle assemblies\u003c\/li\u003e\n\u003cli\u003eSeal replacement on Lincoln, Mercury, and Mazda rear axle applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eConfirm axle type, ring gear size, and position before installation. This seal is listed for front outer, rear outer, and rear locations depending on the application, so match the vehicle exactly to the fitment data. Inspect the pinion surface and surrounding components for wear or damage before installing the new seal. Proper installation and correct lubrication are important for sealing performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eInMotion engineers this seal with precision and uses high-quality materials to support reliable differential sealing and long service life. The WS3604 is specified for confirmed vehicle applications, including Ford F-150, Mustang, Explorer, and Ranger fitments.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2001-2018 Ford Expedition, front outer, with Visteon Axle\u003c\/li\u003e\n\u003cli\u003eFits 2001-2018 Ford F-150, front outer, with Visteon Axle\u003c\/li\u003e\n\u003cli\u003eFits 2001-2018 Lincoln Navigator, front outer, with Visteon Axle\u003c\/li\u003e\n\u003cli\u003eFits 2003-2014 Ford E-150, rear outer, with Visteon Axle\u003c\/li\u003e\n\u003cli\u003eFits 2011-2014 Ford Mustang, rear outer, with Visteon Axle\u003c\/li\u003e\n\u003cli\u003eFits 2001-2010 Ford Explorer, rear outer, Independent Rear Suspension\u003c\/li\u003e\n\u003cli\u003eFits 2001-2010 Ford Ranger, rear outer, with Visteon Axle\u003c\/li\u003e\n\u003cli\u003eFits 2001-2010 Mazda B4000, rear outer, with Visteon Axle\u003c\/li\u003e\n\u003cli\u003eFits 2001-2010 Mercury Mountaineer, rear outer, Independent Rear Suspension\u003c\/li\u003e\n\u003cli\u003eFits 1979-2000 Ford Mustang, rear outer, with Ford Axle\u003c\/li\u003e\n\u003cli\u003eFits 1983-2000 Ford Ranger, rear outer, with Ford Axle\u003c\/li\u003e\n\u003cli\u003eFits 1979-2000 Mercury Grand Marquis, rear outer, with Ford Axle\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"InMotion","offers":[{"title":"Default Title","offer_id":52406882042037,"sku":"HKKS-WS3604","price":9.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WJ_WS3604_Fro.jpg?v=1777773777","url":"https:\/\/www.partcatalog.com\/products\/inmotion-ws3604-differential-pinion-seal-front-outer-rear-or-rear-outer","provider":"PartCatalog","version":"1.0","type":"link"}