{"product_id":"national-450185-transfer-case-output-shaft-seal","title":"National 450185 Transfer Case Output Shaft Seal - Front or Rear Rearward","description":"\u003ch2\u003eNational Transfer Case Output Shaft Seal Overview\u003c\/h2\u003e\u003cp\u003eThe National 450185 transfer case output shaft seal is engineered to provide reliable sealing performance for select Chevrolet, Ford, GMC, and Jeep vehicles. Designed with durable nitrile material and precise dimensions, this oil seal helps maintain transfer case integrity by preventing fluid leaks and contamination.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside diameter: 1.562 inches (39.670 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 2.506 inches (63.650 mm)\u003c\/li\u003e\n\u003cli\u003eThickness\/width: 0.500 inches (12.700 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 protection\u003c\/li\u003e\n\u003cli\u003eCompatible with transfer case output shafts of 1.562 inches diameter\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe National 450185 transfer case output shaft seal is part of the 450000 series, designed specifically for transfer case applications requiring a robust oil seal. Constructed from nitrile, this seal offers excellent resistance to petroleum-based fluids and maintains flexibility under varying temperatures. The seal’s precise inside diameter of 1.562 inches and outside diameter of 2.506 inches ensure a secure fit within the housing bore, which measures approximately 2.502 inches (63.550 mm). The 0.500-inch thickness provides a reliable barrier against fluid leakage, helping to protect the transfer case components from dirt and moisture intrusion.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis transfer case output shaft seal is compatible with a range of popular models, including Chevrolet Blazer, Ford Bronco, Jeep CJ5, Ford F-100, GMC Jimmy, Chevrolet K10 Suburban, GMC K20 Suburban, and Jeep Wagoneer. The part number 450185 is specifically designed to meet the sealing requirements of these vehicles’ transfer cases, ensuring proper fitment and function.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Seal\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents transfer case fluid leaks that can lead to low fluid levels\u003c\/li\u003e\n\u003cli\u003eProtects transfer case internals from dirt and debris contamination\u003c\/li\u003e\n\u003cli\u003eReduces risk of premature transfer case wear due to fluid loss\u003c\/li\u003e\n\u003cli\u003eMaintains proper lubrication of output shaft components\u003c\/li\u003e\n\u003cli\u003eHelps avoid costly transfer case repairs caused by seal failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the transfer case output 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 damaging the sealing lip\u003c\/li\u003e\n\u003cli\u003eVerify the seal orientation matches the original part to maintain proper sealing function\u003c\/li\u003e\n\u003cli\u003eCheck shaft diameter compatibility (1.562 inches) prior to installation\u003c\/li\u003e\n\u003cli\u003eInspect the seal for any damage or defects before installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational transfer case output shaft seals are manufactured to meet industry standards for durability and performance. The nitrile material and Redicoat corrosion protection contribute to the seal’s longevity in demanding automotive environments. While specific warranty details may vary, National typically offers coverage against manufacturing defects to ensure customer confidence in the 450185 part number.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43448297947317,"sku":"BCZK-450185","price":20.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_450185_Fro_9103a195-884f-4fa1-b204-39b827392601.jpg?v=1774734651","url":"https:\/\/www.partcatalog.com\/products\/national-450185-transfer-case-output-shaft-seal","provider":"PartCatalog","version":"1.0","type":"link"}