{"product_id":"skf-18531-transfer-case-input-shaft-seal","title":"SKF 18531 Transfer Case Input Shaft Seal","description":"\u003ch2\u003eTransfer Case Input Shaft Seal\u003c\/h2\u003e\u003cp\u003eSKF 18531 is a transfer case input shaft seal built for applications that need reliable fluid retention and contamination control. It is specified for a range of Chevrolet, GMC, and Cadillac trucks and SUVs with listed transfer case configurations.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eNitrile sealing surface for dependable sealing performance.\u003c\/li\u003e\n\u003cli\u003eEngineered to the listed shaft diameter and outside diameter for application-specific fitment.\u003c\/li\u003e\n\u003cli\u003eMade to keep lubricants in and contaminants out of the transfer case.\u003c\/li\u003e\n\u003cli\u003eDesigned and manufactured to SKF quality standards.\u003c\/li\u003e\n\u003cli\u003eFits Chevrolet Silverado 1500, GMC Sierra 1500, and related transfer case applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eSKF 18531 is a transfer case input shaft seal for service work on compatible Chevrolet Silverado, GMC Sierra, Tahoe, Yukon, Suburban, and Cadillac Escalade applications. The seal uses a nitrile sealing surface and is built to the stated dimensions of 1.890 shaft diameter, 2.840 outside diameter, and 0.433 width for proper sealing at the transfer case input shaft. This part cross-references Monroe Shocks \u0026amp; Struts (e.g., 19133155, CHR 18531) for the same application.\u003c\/p\u003e\u003cp\u003eSKF has a long history in seal engineering, and this part reflects that focus with materials selected for the operating environment of the transfer case. Use SKF 18531 when replacing a worn or leaking seal on listed Chevrolet Silverado 1500, GMC Sierra 2500 HD, or Cadillac Escalade transfer case applications.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Fix\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTransfer case fluid seepage at the input shaft.\u003c\/li\u003e\n\u003cli\u003eContamination entering the transfer case housing.\u003c\/li\u003e\n\u003cli\u003eLeaks caused by a hardened or worn sealing lip.\u003c\/li\u003e\n\u003cli\u003eService issues related to damaged sealing surfaces.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eConfirm the transfer case model and notes in the fitment list before ordering. Match the seal dimensions and sealing surface type to the original part during service. Inspect the shaft and housing for wear, scoring, or contamination before installation to help the new seal seat correctly.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eSKF manufactures seals to specific designs using premium materials and quality-controlled processes. The brand’s seal development history includes the first integrated shaft seal, and SKF products are built to support long service life in demanding driveline environments.\u003c\/p\u003e","brand":"SKF","offers":[{"title":"Default Title","offer_id":53563682422965,"sku":"BCNB-18531","price":18.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CR_18531_Fro.jpg?v=1792474134","url":"https:\/\/www.partcatalog.com\/products\/skf-18531-transfer-case-input-shaft-seal","provider":"PartCatalog","version":"1.0","type":"link"}