{"product_id":"skf-18637a-transfer-case-output-shaft-seal-front","title":"SKF 18637A Transfer Case Output Shaft Seal - Front","description":"\u003ch2\u003eTransfer Case Output Shaft Seal for Ford Trucks\u003c\/h2\u003e\u003cp\u003eSKF 18637A is a transfer case output shaft seal built for front-position applications on select Ford trucks. With a 1.862 shaft diameter, 0.512 width, and HMSA92 seal design, it is specified to help maintain transfer case fluid control where the output shaft exits the housing.\u003c\/p\u003e\u003cp\u003eCompatible with 2015 Ford F-150, front Warner transfer case, and 2017-2018 Ford F-250 Super Duty and F-350 Super Duty front applications, SKF 18637A supports direct replacement needs for common transfer case sealing service.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTransfer case output shaft seal for front-position service\u003c\/li\u003e\n\u003cli\u003eSKF part number 18637A for catalog and service reference\u003c\/li\u003e\n\u003cli\u003eHMSA92 seal type for a precise sealing profile\u003c\/li\u003e\n\u003cli\u003e1.862 shaft diameter and 0.512 width\u003c\/li\u003e\n\u003cli\u003eEngineered for Ford F-150, F-250 Super Duty, and F-350 Super Duty applications\u003c\/li\u003e\n\u003cli\u003eCross-reference: Ford FL3Z7B215C\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eSKF 18637A is a transfer case output shaft seal designed around the listed dimensions and seal profile to help retain lubricant at the transfer case output shaft. SKF has a long history in shaft seal development, and this seal reflects that focus on material selection, bonding methods, and application-specific design. For Ford F-150, Ford F-250 Super Duty, and Ford F-350 Super Duty service, the part number 18637A gives technicians and parts buyers a direct reference for front transfer case sealing needs.\u003c\/p\u003e\u003cp\u003eThis seal is used in front transfer case positions on 2015 Ford F-150 with Warner transfer case, plus 2017-2018 Ford F-250 Super Duty and 2017-2018 Ford F-350 Super Duty. If you are searching for a Ford transfer case output shaft seal, SKF 18637A is the listed replacement for these applications.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTransfer case fluid seepage at the output shaft\u003c\/li\u003e\n\u003cli\u003eContamination entering the transfer case through a worn seal\u003c\/li\u003e\n\u003cli\u003eLeak-related fluid loss around the front output area\u003c\/li\u003e\n\u003cli\u003eSeal wear from age, heat, and driveline movement\u003c\/li\u003e\n\u003cli\u003eService replacement for a damaged or hardened transfer case seal\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eConfirm shaft diameter, seal width, and transfer case application before installation. Inspect the output shaft surface for grooves, corrosion, or debris that can affect sealing performance. Clean the bore and surrounding housing carefully, and verify the seal is seated squarely during installation. For Ford F-150, Ford F-250 Super Duty, and Ford F-350 Super Duty service, match the front position and Warner transfer case note where applicable.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eSKF manufactures seals to defined application specifications using premium materials and controlled production standards. The brand’s seal engineering background and long-term OE and aftermarket presence support consistent fit and sealing performance for the listed applications.\u003c\/p\u003e","brand":"SKF","offers":[{"title":"Default Title","offer_id":52734117609653,"sku":"BCNB-18637A","price":16.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CR_18637A_Fro.jpg?v=1782279324","url":"https:\/\/www.partcatalog.com\/products\/skf-18637a-transfer-case-output-shaft-seal-front","provider":"PartCatalog","version":"1.0","type":"link"}