{"product_id":"national-710605-engine-crankshaft-seal","title":"National 710605 Engine Crankshaft Seal - Front","description":"\u003ch2\u003eOverview of National 710605 Engine Crankshaft Seal\u003c\/h2\u003e\u003cp\u003eThe National 710605 engine crankshaft seal is designed to provide reliable sealing performance for select GM and Isuzu vehicles. Engineered with precision, this oil seal helps maintain engine integrity by preventing oil leaks around the crankshaft.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside diameter: 1.512 inches (38.4 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 2.337 inches (59.28 mm)\u003c\/li\u003e\n\u003cli\u003eThickness\/width: 0.339 inches (8.5 mm)\u003c\/li\u003e\n\u003cli\u003eMaterial: Durable PTFE for enhanced wear resistance\u003c\/li\u003e\n\u003cli\u003eHelix type: Clockwise-spiral lip design for effective sealing\u003c\/li\u003e\n\u003cli\u003eHousing bore size: 2.322 inches (58.98 mm)\u003c\/li\u003e\n\u003cli\u003ePart number: 710605, part of the 710600 series\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Material Specifications\u003c\/h2\u003e\u003cp\u003eThis National crankshaft seal features a PTFE (polytetrafluoroethylene) construction, known for its chemical resistance and low friction properties. The seal’s clockwise-spiral lip design ensures a tight fit around the crankshaft, minimizing oil leakage and contamination. With an inside diameter of 1.512 inches and an outside diameter of 2.337 inches, it fits precisely within the housing bore of 2.322 inches. The 0.339-inch thickness provides durability while maintaining flexibility for optimal sealing performance.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis engine crankshaft seal is compatible with various Buick, Chevrolet, GMC, Isuzu, and Oldsmobile models, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBuick Rainier\u003c\/li\u003e\n\u003cli\u003eChevrolet Trailblazer, Trailblazer EXT\u003c\/li\u003e\n\u003cli\u003eGMC Envoy, Envoy XL, Envoy XUV\u003c\/li\u003e\n\u003cli\u003eIsuzu Ascender, Bravada\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUse the National 710605 seal to address common engine oil sealing issues in these vehicles, ensuring proper engine function and longevity.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by the National 710605 Seal\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents oil leaks around the crankshaft area\u003c\/li\u003e\n\u003cli\u003eReduces contamination from dirt and debris entering the engine\u003c\/li\u003e\n\u003cli\u003eMaintains engine oil pressure and prevents premature wear\u003c\/li\u003e\n\u003cli\u003eHelps avoid costly engine repairs due to oil loss\u003c\/li\u003e\n\u003cli\u003eImproves overall engine reliability and performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the crankshaft and housing bore are clean and free of debris before installation\u003c\/li\u003e\n\u003cli\u003eUse proper tools to avoid damaging the seal during installation\u003c\/li\u003e\n\u003cli\u003eVerify the seal orientation matches the clockwise-spiral lip design for optimal sealing\u003c\/li\u003e\n\u003cli\u003eCheck for correct fitment by confirming dimensions against the vehicle specifications\u003c\/li\u003e\n\u003cli\u003eConsult vehicle service manual for torque specifications and installation procedures\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eNational’s 710605 engine crankshaft seal is manufactured to meet OEM standards for durability and performance. The PTFE material and precise engineering contribute to a long service life under normal operating conditions. While specific warranty details may vary, National typically offers coverage against manufacturing defects to ensure customer confidence in product reliability.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43448354341045,"sku":"BCZK-710605","price":22.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_710605_Fro.jpg?v=1774734771","url":"https:\/\/www.partcatalog.com\/products\/national-710605-engine-crankshaft-seal","provider":"PartCatalog","version":"1.0","type":"link"}