{"product_id":"national-2287-transfer-case-shift-shaft-seal","title":"National 2287 Transfer Case Shift Shaft Seal","description":"\u003ch2\u003eOverview of National Transfer Case Shift Shaft Seal 2287\u003c\/h2\u003e\u003cp\u003eThe National Transfer Case Shift Shaft Seal 2287 is designed to provide reliable sealing performance for transfer cases in select Chevrolet, Dodge, Ford, and GMC vehicles. Engineered with nitrile material, this oil seal ensures durability and effective protection against leaks in models such as the Chevrolet Blazer, Ford F-150, and Dodge Ramcharger.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside diameter: 0.750 inch (19.05 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 1.254 inch (31.85 mm)\u003c\/li\u003e\n\u003cli\u003eThickness\/width: 0.280 inch (7.11 mm)\u003c\/li\u003e\n\u003cli\u003eSealing material: Nitrile for resistance to oil and wear\u003c\/li\u003e\n\u003cli\u003eCompatible with housing bore size: 1.250 inch (31.75 mm)\u003c\/li\u003e\n\u003cli\u003ePart number: 2287, series 2000, type 274\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Material Specifications\u003c\/h2\u003e\u003cp\u003eThis transfer case shift shaft seal is constructed from nitrile, a synthetic rubber known for its excellent resistance to petroleum-based oils and fuels. The seal’s dimensions include a 0.750 inch inside diameter to fit the shaft precisely, and an outside diameter of 1.254 inches to match the housing bore of 1.250 inches, ensuring a tight, leak-proof fit. With a thickness of 0.280 inches, the seal maintains structural integrity under typical transfer case operating conditions. The part is categorized under National’s 2000 series, type 274, indicating its specific design for transfer case applications.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis National transfer case shift shaft seal 2287 is compatible with a range of trucks and SUVs, including Chevrolet Blazer, K5 Blazer, K10, K20, K30, and their Suburban variants; Ford Bronco, F-100, F-150, F-250, and F-350; Dodge Ramcharger and V30; as well as GMC Jimmy, K1500, K2500, K3500, W100, W250, and W350 models. It is specifically designed to maintain the integrity of the transfer case shift shaft, preventing oil leaks and contamination.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Seal\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents oil leaks from the transfer case shift shaft area\u003c\/li\u003e\n\u003cli\u003eReduces contamination ingress that can damage transfer case components\u003c\/li\u003e\n\u003cli\u003eMaintains proper lubrication within the transfer case\u003c\/li\u003e\n\u003cli\u003eMinimizes wear on the shift shaft and surrounding parts\u003c\/li\u003e\n\u003cli\u003eHelps avoid costly transfer case repairs due to seal failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the National transfer case shift shaft seal 2287, ensure the housing bore is clean and free of debris. Use appropriate tools to press the seal evenly into place without damaging the nitrile material. Verify the shaft diameter matches the 0.750 inch specification for a proper fit. Lubricate the seal lip lightly with clean transfer case oil before installation to reduce initial wear. Follow vehicle-specific service manual instructions for transfer case disassembly and reassembly.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational transfer case seals are manufactured to meet industry standards for durability and performance. The nitrile material provides resistance to oil and wear, contributing to long service life. Part number 2287 is part of the 2000 series, reflecting consistent quality control. Warranty coverage details should be confirmed with the original equipment manufacturer or distributor.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43448178573493,"sku":"BCZK-2287","price":10.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_2287_Fro_d89c2151-3d97-47bb-b985-92169bf98279.jpg?v=1774734504","url":"https:\/\/www.partcatalog.com\/products\/national-2287-transfer-case-shift-shaft-seal","provider":"PartCatalog","version":"1.0","type":"link"}