{"product_id":"national-3553-steering-knuckle-seal-front","title":"National 3553 Steering Knuckle Seal - Front","description":"\u003ch2\u003eNational 3553 Steering Knuckle Seal Overview\u003c\/h2\u003e\u003cp\u003eThe National 3553 steering knuckle seal is engineered to provide reliable sealing performance for select Buick, Cadillac, Chevrolet, GMC, Isuzu, and Oldsmobile models. Designed with durable nitrile material and precise dimensions, this oil seal helps maintain proper lubrication and prevent contamination in the steering system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside diameter: 2.201 inches (55.910 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 2.741 inches (69.620 mm)\u003c\/li\u003e\n\u003cli\u003eFlanged outside diameter: 2.913 inches (73.990 mm)\u003c\/li\u003e\n\u003cli\u003eThickness: 0.197 inches (5.000 mm)\u003c\/li\u003e\n\u003cli\u003eOverall width with side lip: 0.381 inches (9.677 mm)\u003c\/li\u003e\n\u003cli\u003eSealing material: Nitrile for resistance to oil and wear\u003c\/li\u003e\n\u003cli\u003eRedicoat surface treatment for enhanced durability\u003c\/li\u003e\n\u003cli\u003eSeries 3000, Type 284 oil seal\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe National 3553 steering knuckle seal is constructed from nitrile, a material known for its excellent resistance to oil, heat, and abrasion. This seal features a flanged outside diameter of 2.913 inches (73.990 mm) and an inside diameter of 2.201 inches (55.910 mm), ensuring a precise fit within the housing bore of 2.735 inches (69.470 mm). The overall width with side lip measures 0.381 inches (9.677 mm), providing effective sealing against contaminants and fluid leaks. The Redicoat treatment enhances the seal’s surface, improving wear resistance and extending service life. This part is part of National’s Series 3000, Type 284 oil seal line, designed specifically for steering applications requiring reliable sealing under demanding conditions.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis steering knuckle seal is compatible with a range of vehicles, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBuick Riviera and LeSabre models\u003c\/li\u003e\n\u003cli\u003eCadillac Eldorado and Seville\u003c\/li\u003e\n\u003cli\u003eChevrolet Blazer, S10, S10 Blazer, and Sonoma\u003c\/li\u003e\n\u003cli\u003eGMC Jimmy, S15, and Sonoma\u003c\/li\u003e\n\u003cli\u003eIsuzu Hombre and Bravada\u003c\/li\u003e\n\u003cli\u003eOldsmobile Toronado and other select models\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is designed to maintain proper sealing in the steering knuckle assembly, helping to prevent oil leaks and contamination that can affect steering performance.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by National 3553 Seal\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents oil leaks from the steering knuckle area\u003c\/li\u003e\n\u003cli\u003eProtects steering components from dirt and debris ingress\u003c\/li\u003e\n\u003cli\u003eReduces premature wear of steering system parts\u003c\/li\u003e\n\u003cli\u003eMaintains hydraulic pressure integrity in power steering systems\u003c\/li\u003e\n\u003cli\u003eHelps avoid costly steering system repairs due to seal failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the National 3553 steering knuckle seal, ensure the housing bore and shaft surfaces are clean and free of debris. Use appropriate tools to press the seal evenly into place without damaging the sealing lip or flange. Verify the seal orientation matches the original part to maintain proper sealing function. Lubricate the sealing lip lightly with compatible oil before installation to reduce initial wear and facilitate assembly.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational steering knuckle seals are manufactured to meet strict quality standards, using durable nitrile material and advanced surface treatments like Redicoat to enhance longevity. While specific warranty details are not provided, National products typically adhere to industry standards for reliability and performance in automotive sealing applications.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":52178612617397,"sku":"BCZK-3553","price":18.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_3553_Fro.jpg?v=1775496368","url":"https:\/\/www.partcatalog.com\/products\/national-3553-steering-knuckle-seal-front","provider":"PartCatalog","version":"1.0","type":"link"}