{"product_id":"skf-21043-wheel-seal-front","title":"SKF 21043 Wheel Seal - Front","description":"\u003ch2\u003eWheel Seal Overview\u003c\/h2\u003e\u003cp\u003eSKF wheel seal part number 21043 is a driveline sealing component built for specific front-wheel applications. It is engineered to keep lubricant contained while helping block road contaminants, with dimensions and sealing material selected for the application.\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\u003eDesigned to specific dimensions: 0.512 width, 2.563 outside diameter, and 2.126 shaft diameter.\u003c\/li\u003e\n\u003cli\u003eSKF sealing design and manufacturing focus on long service life and safety.\u003c\/li\u003e\n\u003cli\u003eFits 1978-1979 Nissan 620, front.\u003c\/li\u003e\n\u003cli\u003eFits 1980-1985 Nissan 720, front.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eSKF 21043 is a wheel seal for front axle service on select Nissan trucks. The seal uses nitrile at the sealing surface and is built to match the required dimensions for the application, helping maintain proper lubricant retention and contamination control in the hub or axle assembly. If you are replacing a worn seal on a Nissan 620 or Nissan 720, this part number 21043 provides a direct-fit sealing solution for the listed front positions.\u003c\/p\u003e\u003cp\u003eSKF has a long history in seal engineering, and this part reflects that experience with application-specific design and premium material selection. This wheel seal is intended for use where correct sealing geometry and material compatibility are important to driveline reliability.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOil or grease leakage at the wheel end.\u003c\/li\u003e\n\u003cli\u003eContamination entering the hub or axle area.\u003c\/li\u003e\n\u003cli\u003eSeal wear from age, heat, or mileage.\u003c\/li\u003e\n\u003cli\u003eLoss of sealing performance after service or disassembly.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify shaft diameter, outside diameter, and width before installation. Inspect the sealing surface and surrounding components for wear, scoring, or damage that could affect seal life. Clean the bore and mating surfaces thoroughly, and install the seal squarely to avoid distortion. Confirm fitment for the exact Nissan 620 or Nissan 720 application before assembly.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eSKF designs and manufactures sealing products to strict quality standards, with a long record of seal development and application-specific engineering. Part number 21043 is built for the listed fitments and sealing requirements.\u003c\/p\u003e","brand":"SKF","offers":[{"title":"Default Title","offer_id":53588224868533,"sku":"BCNB-21043","price":14.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CR_21043_Fro.jpg?v=1792733757","url":"https:\/\/www.partcatalog.com\/products\/skf-21043-wheel-seal-front","provider":"PartCatalog","version":"1.0","type":"link"}