{"product_id":"national-471645-steering-gear-worm-shaft-seal","title":"National 471645 Steering Gear Worm Shaft Seal","description":"\u003ch2\u003eOverview of National Steering Gear Worm Shaft Seal 471645\u003c\/h2\u003e\u003cp\u003eThe National Steering Gear Worm Shaft Seal 471645 is designed to provide reliable sealing performance for steering systems in select Ford, Lincoln, Mazda, and Mercury vehicles. Engineered with nitrile material and Redicoat technology, this oil seal ensures durability and effective protection against leaks.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside diameter: 0.812 inch (20.620 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 1.628 inch (41.350 mm)\u003c\/li\u003e\n\u003cli\u003eThickness\/width: 0.250 inch (6.350 mm)\u003c\/li\u003e\n\u003cli\u003eSealing material: Nitrile for resistance to oil and wear\u003c\/li\u003e\n\u003cli\u003eRedicoat coating for enhanced corrosion resistance\u003c\/li\u003e\n\u003cli\u003eHousing bore size: 1.624 inch (41.250 mm)\u003c\/li\u003e\n\u003cli\u003ePart number: 471645\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis steering gear worm shaft seal from National is part of the 470000 series and is specifically designed as an oil seal to maintain the integrity of the steering gear assembly. The nitrile material offers excellent resistance to petroleum-based fluids and mechanical wear, making it suitable for the demanding conditions found in automotive steering systems. The Redicoat finish adds a protective layer to prevent corrosion and extend the seal's service life. With precise dimensions including a 0.812 inch shaft diameter and 1.628 inch outside diameter, this seal fits tightly within the housing bore of 1.624 inches, ensuring a secure and leak-free installation.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis steering gear worm shaft seal 471645 is compatible with a range of Ford, Lincoln, Mazda, and Mercury models, including but not limited to:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFord Bronco, F-150, Mustang, Explorer, Ranger, and Econoline series\u003c\/li\u003e\n\u003cli\u003eLincoln Continental, Mark VI, Mark VII, Mark VIII, Town Car, and Versailles\u003c\/li\u003e\n\u003cli\u003eMazda B2300, B2500, B3000, B4000, and Navajo\u003c\/li\u003e\n\u003cli\u003eMercury Cougar, Grand Marquis, Marquis, and Sable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is designed to replace worn or damaged steering gear seals in these vehicles, helping maintain proper steering function and preventing fluid leaks.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Seal\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents power steering fluid leaks from the steering gear assembly\u003c\/li\u003e\n\u003cli\u003eReduces contamination ingress that can damage steering components\u003c\/li\u003e\n\u003cli\u003eMaintains hydraulic pressure for consistent steering response\u003c\/li\u003e\n\u003cli\u003eProtects against premature wear of the worm shaft and housing bore\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 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 distortion\u003c\/li\u003e\n\u003cli\u003eVerify the seal orientation matches the original part to maintain proper sealing\u003c\/li\u003e\n\u003cli\u003eCheck shaft surface for wear or damage that could compromise the seal\u003c\/li\u003e\n\u003cli\u003eConsult vehicle service manual for torque specifications and installation procedures\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational's steering gear worm shaft seal 471645 is manufactured to meet OEM specifications for fit and function. The use of nitrile material and Redicoat technology ensures durability and resistance to common automotive fluids and environmental factors. This is a zero duplication part, guaranteeing authenticity and compatibility. While specific warranty details are not provided, National products typically adhere to industry standards for quality and reliability.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":51869016064181,"sku":"BCZK-471645","price":22.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_471645_Fro.jpg?v=1774734661","url":"https:\/\/www.partcatalog.com\/products\/national-471645-steering-gear-worm-shaft-seal","provider":"PartCatalog","version":"1.0","type":"link"}