{"product_id":"national-330385-transfer-case-shift-shaft-seal","title":"National 330385 Transfer Case Shift Shaft Seal","description":"\u003ch2\u003eOverview of National Transfer Case Shift Shaft Seal 330385\u003c\/h2\u003e\u003cp\u003eThe National Transfer Case Shift Shaft Seal 330385 is designed to provide reliable sealing performance for a variety of transfer case applications. Engineered with nitrile material, this oil seal ensures durability and resistance to wear, making it suitable for vehicles like Ford F-150, Chevrolet Silverado 1500, and Toyota Tundra.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside diameter: 0.375 inch (9.53 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 0.754 inch (19.15 mm)\u003c\/li\u003e\n\u003cli\u003eThickness\/width: 0.250 inch (6.35 mm)\u003c\/li\u003e\n\u003cli\u003eSealing material: Nitrile for oil resistance and durability\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple makes and models including Acura, Audi, Ford, Chevrolet, Toyota, and more\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description and Specifications\u003c\/h2\u003e\u003cp\u003eThis National transfer case shift shaft seal (part number 330385) is part of the 330000 series, crafted from nitrile material known for its excellent oil resistance and mechanical strength. The seal features a precise inside diameter of 0.375 inches (9.53 mm) and an outside diameter of 0.754 inches (19.15 mm), with a thickness of 0.250 inches (6.35 mm). These dimensions ensure a tight fit within the housing bore of 0.750 inches (19.05 mm), providing effective sealing around the shift shaft to prevent oil leaks and contamination.\u003c\/p\u003e\u003cp\u003eDesigned for transfer case applications, this seal is compatible with a wide range of vehicles including Ford F-150, Chevrolet Silverado 1500, Toyota Tundra, and other models from Acura, Audi, Cadillac, Dodge, GMC, Hyundai, Land Rover, Mazda, Mercedes-Benz, and more. Its nitrile construction offers resistance to heat, oil, and wear, which is critical for maintaining transfer case integrity under demanding driving conditions.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents oil leaks from the transfer case shift shaft\u003c\/li\u003e\n\u003cli\u003eProtects transfer case internals from dirt and debris contamination\u003c\/li\u003e\n\u003cli\u003eMaintains proper lubrication within the transfer case\u003c\/li\u003e\n\u003cli\u003eReduces wear on the shift shaft and housing bore\u003c\/li\u003e\n\u003cli\u003eHelps avoid transfer case shifting issues 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 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\u003eInspect the shift shaft for wear or damage prior to installing the new seal\u003c\/li\u003e\n\u003cli\u003eLubricate the seal lip lightly with clean transfer case oil to ease installation and prevent dry running\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eNational transfer case seals are manufactured to meet industry standards for durability and performance. The 330385 shift shaft 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 the product's reliability.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43448295588021,"sku":"BCZK-330385","price":14.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_330385_Fro_6fc9f449-a28d-42f3-898a-c10407dd6c6e.jpg?v=1774734635","url":"https:\/\/www.partcatalog.com\/products\/national-330385-transfer-case-shift-shaft-seal","provider":"PartCatalog","version":"1.0","type":"link"}