{"product_id":"national-450444-wheel-seal","title":"National 450444 Wheel Seal - Rear","description":"\u003ch2\u003eNational 450444 Wheel Seal for Ford Thunderbird\u003c\/h2\u003e\u003cp\u003eThe National 450444 wheel seal is engineered to provide reliable sealing performance for your Ford Thunderbird driveline system. Designed with precision dimensions and durable nitrile material, this oil seal helps maintain optimal axle function and prevent fluid leaks.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside diameter: 1.375 inches (34.930 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 2.506 inches (63.650 mm)\u003c\/li\u003e\n\u003cli\u003eHousing bore: 2.502 inches (63.550 mm)\u003c\/li\u003e\n\u003cli\u003eWidth: 0.500 inches (12.700 mm)\u003c\/li\u003e\n\u003cli\u003eMaterial: Nitrile rubber for enhanced resistance to oil and wear\u003c\/li\u003e\n\u003cli\u003eRedicoat surface treatment for improved sealing and durability\u003c\/li\u003e\n\u003cli\u003eSeries: 450000, Type 45 oil seal\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe National 450444 wheel seal is specifically designed for use in the driveline and axle assemblies of Ford Thunderbird vehicles. Constructed from nitrile, a synthetic rubber known for its resistance to petroleum-based fluids and abrasion, this seal ensures long-lasting protection against oil leaks. The precise inside diameter of 1.375 inches and outside diameter of 2.506 inches allow for a secure fit within the axle housing bore of 2.502 inches, maintaining a tight seal around the shaft. The 0.500-inch width provides adequate surface area to prevent fluid escape while accommodating shaft movement. Additionally, the Redicoat treatment enhances the seal’s ability to resist wear and maintain integrity under varying operating conditions.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents axle oil leaks in Ford Thunderbird driveline systems\u003c\/li\u003e\n\u003cli\u003eProtects against contamination entering the axle housing\u003c\/li\u003e\n\u003cli\u003eReduces wear on axle shafts by maintaining proper lubrication\u003c\/li\u003e\n\u003cli\u003eHelps avoid costly repairs due to seal failure or fluid loss\u003c\/li\u003e\n\u003cli\u003eMaintains driveline efficiency and vehicle safety\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the axle shaft and housing bore 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 lip is properly oriented toward the lubricant side\u003c\/li\u003e\n\u003cli\u003eInspect the shaft for wear or damage that could compromise the seal\u003c\/li\u003e\n\u003cli\u003eApply a light coating of compatible lubricant on the seal lip before installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational wheel seals are manufactured to meet strict industry standards for durability and performance. The 450444 seal undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty terms may vary, National typically offers coverage against manufacturing defects to provide confidence in product reliability for Ford Thunderbird applications.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43448298143925,"sku":"BCZK-450444","price":22.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_450444_Fro.jpg?v=1774734651","url":"https:\/\/www.partcatalog.com\/products\/national-450444-wheel-seal","provider":"PartCatalog","version":"1.0","type":"link"}