{"product_id":"inmotion-ws229005-engine-crankshaft-seal-rear","title":"InMotion WS229005 Engine Crankshaft Seal - Rear","description":"\u003ch2\u003eRear Differential Pinion Seal for BMW and Porsche\u003c\/h2\u003e\u003cp\u003eInMotion WS229005 is a rear differential pinion seal built with fluoro-elastomer material for a precise sealing surface and dependable resistance to contaminants. It is specified with a 3.543 in inside diameter, 4.343 in outside diameter, and 0.472 in width to match the listed applications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFluoro-elastomer construction for sealing performance\u003c\/li\u003e\n\u003cli\u003e3.543 in inside diameter and shaft diameter\u003c\/li\u003e\n\u003cli\u003e4.343 in outside diameter for housing fit\u003c\/li\u003e\n\u003cli\u003e0.472 in width and thickness\u003c\/li\u003e\n\u003cli\u003eRear differential pinion seal for select BMW, Porsche, Lexus, Toyota, Jeep, and Lincoln applications\u003c\/li\u003e\n\u003cli\u003ePart number WS229005 for catalog lookup and ordering\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis InMotion differential pinion seal is engineered to create a tight barrier at the rear differential pinion area, helping keep moisture and debris away from sensitive internal components. The fluoro-elastomer material is selected for sealing durability, while the dimensional specs support accurate fitment on a wide range of rear applications, including BMW 323i, BMW 328i, BMW X5, Porsche Boxster, Porsche 911, Lexus GS300, and Toyota Supra. WS229005 is a practical replacement choice when servicing a leaking rear pinion seal on vehicles listed in the fitment data.\u003c\/p\u003e\u003cp\u003eThis part cross-references Monroe Shocks \u0026amp; Struts (e.g., 172286, 182286) for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRear differential oil seepage at the pinion seal\u003c\/li\u003e\n\u003cli\u003eContamination entering the differential housing\u003c\/li\u003e\n\u003cli\u003eWear caused by degraded sealing surfaces\u003c\/li\u003e\n\u003cli\u003eLoss of lubricant around the pinion area\u003c\/li\u003e\n\u003cli\u003eService needs on BMW, Porsche, Lexus, Toyota, Jeep, and Lincoln rear differentials\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify shaft diameter, housing bore, and seal width before installation. Clean the pinion bore and mating surfaces thoroughly, inspect the pinion yoke and shaft for wear, and replace the seal only after confirming the source of the leak. For fitment, use the exact vehicle listing: Fits 2006-2011 BMW 323i, rear; Fits 2000-2008 Porsche Boxster, rear; Fits 1993-1998 Toyota Supra, rear; Fits 2001-2005 Lexus IS300, rear.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eInMotion manufactures this seal to the stated dimensional specifications and material type for consistent service fit. Part number WS229005 is cataloged for the listed rear differential applications, including BMW and Porsche models.\u003c\/p\u003e","brand":"InMotion","offers":[{"title":"Default Title","offer_id":52406878929077,"sku":"HKKS-WS229005","price":19.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WJ_WS229005_Fro2.jpg?v=1777773626","url":"https:\/\/www.partcatalog.com\/products\/inmotion-ws229005-engine-crankshaft-seal-rear","provider":"PartCatalog","version":"1.0","type":"link"}