{"product_id":"national-710769-transfer-case-output-shaft-seal","title":"National 710769 Transfer Case Output Shaft Seal - Rear","description":"\u003ch2\u003eOverview of National Transfer Case Output Shaft Seal 710769\u003c\/h2\u003e\u003cp\u003eThe National 710769 transfer case output shaft seal is engineered for reliable sealing performance in select Chevrolet, GMC, and Isuzu vehicles. Designed to maintain optimal transfer case function, this oil seal helps prevent fluid leaks and contamination in models like the Chevrolet Colorado and GMC Canyon.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside diameter options: 1.260 inch (32 mm) and 1.496 inch (38 mm) shaft sizes\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 1.937 inch (49.2 mm)\u003c\/li\u003e\n\u003cli\u003eSeal thickness: 0.709 inch (18 mm)\u003c\/li\u003e\n\u003cli\u003eConstructed from durable PTFE sealing material\u003c\/li\u003e\n\u003cli\u003eCounter-clockwise spiral lip design for enhanced sealing\u003c\/li\u003e\n\u003cli\u003eCompatible with housing bore diameter of approximately 1.929 inch (49 mm)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Material Specifications\u003c\/h2\u003e\u003cp\u003eThis transfer case output shaft seal from National is part of the 710700 series and features a PTFE (polytetrafluoroethylene) sealing material known for its chemical resistance and low friction properties. The seal’s counter-clockwise spiral lip design improves sealing efficiency by directing fluid back into the transfer case, reducing leakage. With an outside diameter of 1.937 inches and a thickness of 0.709 inches, it fits precisely into the housing bore of 1.929 inches, ensuring a secure fit on shafts measuring 1.496 inches in diameter.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis National transfer case output shaft seal 710769 is compatible with the following vehicles:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChevrolet Colorado\u003c\/li\u003e\n\u003cli\u003eGMC Canyon\u003c\/li\u003e\n\u003cli\u003eIsuzu i-350\u003c\/li\u003e\n\u003cli\u003eIsuzu i-370\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is specifically designed to maintain transfer case integrity in these models by preventing oil leaks and contamination around the output shaft.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Seal\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents transfer case fluid leaks that can cause damage\u003c\/li\u003e\n\u003cli\u003eReduces contamination from dirt and debris entering the transfer case\u003c\/li\u003e\n\u003cli\u003eMinimizes wear on the output shaft and surrounding components\u003c\/li\u003e\n\u003cli\u003eMaintains proper lubrication for transfer case longevity\u003c\/li\u003e\n\u003cli\u003eHelps avoid costly repairs related 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 avoid damaging the PTFE seal lip during installation\u003c\/li\u003e\n\u003cli\u003eVerify correct orientation of the counter-clockwise spiral lip for optimal sealing\u003c\/li\u003e\n\u003cli\u003eCheck shaft and bore dimensions to confirm compatibility with the 710769 seal\u003c\/li\u003e\n\u003cli\u003eApply a light coating of transfer case fluid on the seal lip to ease 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 710769 seal undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details may vary, National typically offers coverage against manufacturing defects to provide confidence in product reliability.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43448365842613,"sku":"BCZK-710769","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_710769_Fro.jpg?v=1774734791","url":"https:\/\/www.partcatalog.com\/products\/national-710769-transfer-case-output-shaft-seal","provider":"PartCatalog","version":"1.0","type":"link"}