{"product_id":"national-480821-steering-gear-worm-shaft-seal","title":"National 480821 Steering Gear Worm Shaft Seal","description":"\u003ch2\u003eOverview of National Steering Gear Worm Shaft Seal 480821\u003c\/h2\u003e\u003cp\u003eThe National Steering Gear Worm Shaft Seal 480821 is designed to provide reliable sealing performance for steering systems in select Chevrolet, Ford, GMC, and Jeep vehicles. Engineered with nitrile material and a precise fit, this oil seal helps maintain proper lubrication and prevents fluid leaks in steering gear assemblies.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside diameter: 0.750 inch (19.05 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 1.316 inch (33.43 mm)\u003c\/li\u003e\n\u003cli\u003eThickness: 0.250 inch (6.35 mm)\u003c\/li\u003e\n\u003cli\u003eSealing material: Nitrile for durability and resistance\u003c\/li\u003e\n\u003cli\u003eRedicoat surface treatment for enhanced wear protection\u003c\/li\u003e\n\u003cli\u003eCompatible with various Chevrolet, Ford, GMC, and Jeep models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis steering gear worm shaft seal from National, part number 480821, is part of the 480000 series and is specifically designed to fit steering gear assemblies with a 0.750 inch (19.05 mm) shaft diameter and a housing bore of approximately 1.312 inch (33.32 mm). Constructed from nitrile, the seal offers resistance to oil, grease, and other automotive fluids, ensuring long-lasting performance. The Redicoat coating enhances the seal’s durability by reducing wear and extending service life. This oil seal is essential for maintaining the integrity of the steering system by preventing leaks and contamination.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis steering gear worm shaft seal is compatible with a range of Chevrolet, Ford, GMC, and Jeep models, including but not limited to:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChevrolet Blazer, C10, C20, C30, C1500, C2500, C3500, Suburban variants\u003c\/li\u003e\n\u003cli\u003eFord Bronco, F-100, F-150, F-250, F-350, Econoline series (E-100, E-150, E-250, E-350)\u003c\/li\u003e\n\u003cli\u003eGMC Jimmy, Sierra, and Suburban models\u003c\/li\u003e\n\u003cli\u003eJeep Cherokee, CJ5, CJ7, Comanche, Grand Cherokee, Grand Wagoneer, Wrangler\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Seal\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents steering gear oil leaks that can cause steering performance issues\u003c\/li\u003e\n\u003cli\u003eProtects steering components from dirt and contaminants\u003c\/li\u003e\n\u003cli\u003eReduces wear on the worm shaft and housing bore\u003c\/li\u003e\n\u003cli\u003eMaintains proper lubrication within the steering gear assembly\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\u003cul\u003e\n\u003cli\u003eEnsure the steering gear housing bore and shaft are clean and free of debris before installation\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools to press the seal evenly into the housing bore without damage\u003c\/li\u003e\n\u003cli\u003eVerify the seal orientation matches the original part to maintain proper sealing\u003c\/li\u003e\n\u003cli\u003eInspect the shaft for wear or damage that could affect seal performance\u003c\/li\u003e\n\u003cli\u003eConsult vehicle-specific service manuals for torque specifications and installation procedures\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational manufactures this steering gear worm shaft seal to meet industry standards for durability and performance. The nitrile material and Redicoat treatment provide resistance to common automotive fluids and wear. While specific warranty details may vary, National typically offers coverage against manufacturing defects to ensure customer confidence in the product’s reliability.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43448309416117,"sku":"BCZK-480821","price":11.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_480821_Fro_0c48add3-24ce-4da2-b97c-683ec2d8ec7d.jpg?v=1774734674","url":"https:\/\/www.partcatalog.com\/products\/national-480821-steering-gear-worm-shaft-seal","provider":"PartCatalog","version":"1.0","type":"link"}