{"product_id":"national-225500-wheel-seal-front-front-inner-or-front-outer","title":"National 225500 Wheel Seal - Front, Front Inner or Front Outer","description":"\u003ch2\u003eOverview of National 225500 Wheel Seal\u003c\/h2\u003e\u003cp\u003eThe National 225500 wheel seal is engineered to provide reliable sealing performance for driveline and axle applications. Designed with precision to fit specific Audi, BMW, and Volkswagen models, this oil seal helps maintain optimal lubrication and prevent contamination.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside diameter: 2.165 inches (55.000 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 2.689 inches (68.300 mm)\u003c\/li\u003e\n\u003cli\u003eThickness\/width: 0.315 inches (8.000 mm)\u003c\/li\u003e\n\u003cli\u003eSealing material: durable nitrile for resistance to oil and wear\u003c\/li\u003e\n\u003cli\u003eCompatible housing bore: 2.677 inches (68.000 mm)\u003c\/li\u003e\n\u003cli\u003ePart number: 225500, Series 220000\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Specifications\u003c\/h2\u003e\u003cp\u003eThis National wheel seal (part number 225500) is constructed from nitrile, a material known for its excellent resistance to petroleum-based fluids and mechanical wear. The seal’s inside diameter of 2.165 inches (55 mm) and outside diameter of 2.689 inches (68.3 mm) ensure a precise fit on shafts and housing bores, minimizing leakage risks. With a thickness of 0.315 inches (8 mm), the seal maintains structural integrity under typical operating conditions. The 220000 series design supports consistent sealing performance in demanding driveline environments.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis wheel seal is compatible with a range of Audi, BMW, and Volkswagen vehicles, including models such as the Audi A8, BMW 335d, 535d, 535d xDrive, 740Ld xDrive, M3, RS6, Volkswagen Vanagon, and X5. It is specifically designed for driveline and axle sealing systems, making it suitable for maintenance or repair of these vehicles’ wheel hubs and axle assemblies.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrevents oil leaks in wheel hubs and axle assemblies\u003c\/li\u003e\n\u003cli\u003eProtects driveline components from dirt and moisture ingress\u003c\/li\u003e\n\u003cli\u003eMaintains lubrication integrity for extended component life\u003c\/li\u003e\n\u003cli\u003eReduces risk of premature bearing failure\u003c\/li\u003e\n\u003cli\u003eEnsures proper sealing in high-performance and luxury vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the National 225500 wheel seal, ensure the shaft and housing bore are clean and free of debris. Use appropriate tools to press the seal evenly into the housing bore without damaging the sealing lip. Verify the seal orientation matches the original installation to maintain effective sealing. Proper installation helps avoid leaks and extends the service life of the seal and related components.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational wheel seals are manufactured to meet industry standards for durability and performance. The nitrile material and precise dimensions of part number 225500 contribute to reliable sealing under normal operating conditions. While specific warranty details are not provided, National products typically adhere to quality control processes to ensure consistent product reliability.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":52163238265013,"sku":"BCZK-225500","price":14.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_225500_Fro.jpg?v=1775590330","url":"https:\/\/www.partcatalog.com\/products\/national-225500-wheel-seal-front-front-inner-or-front-outer","provider":"PartCatalog","version":"1.0","type":"link"}