{"product_id":"national-710447-engine-crankshaft-seal","title":"National 710447 Engine Crankshaft Seal - Front","description":"\u003ch2\u003eOverview of National 710447 Engine Crankshaft Seal\u003c\/h2\u003e\u003cp\u003eThe National 710447 engine crankshaft seal is designed to provide reliable sealing performance for various Jeep models, including Cherokee, CJ5, CJ7, Grand Wagoneer, J10, J20, and Wagoneer. 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: 2.000 inches (50.800 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 2.750 inches (69.850 mm)\u003c\/li\u003e\n\u003cli\u003eThickness\/width: 0.369 inches (9.373 mm)\u003c\/li\u003e\n\u003cli\u003eMaterial: Durable polyacrylate compound\u003c\/li\u003e\n\u003cli\u003eHelix type: Clockwise-spiral lip design for effective sealing\u003c\/li\u003e\n\u003cli\u003eHousing bore size: 2.745 inches (69.723 mm)\u003c\/li\u003e\n\u003cli\u003eRedicoat coating for enhanced wear resistance\u003c\/li\u003e\n\u003cli\u003ePart number: 710447, Series 710400\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Material Specifications\u003c\/h2\u003e\u003cp\u003eThe National 710447 crankshaft seal features a polyacrylate material known for its resistance to heat, oil, and wear, making it suitable for demanding engine environments. The seal’s clockwise-spiral lip design ensures a tight fit around the crankshaft, minimizing oil leakage and contamination. With an inside diameter of 2.000 inches and an outside diameter of 2.750 inches, this seal fits precisely within the housing bore of 2.745 inches, ensuring optimal sealing performance. The 0.369-inch thickness provides durability without compromising flexibility.\u003c\/p\u003e\u003ch2\u003eCompatible Jeep Models and Applications\u003c\/h2\u003e\u003cp\u003eThis engine crankshaft seal is compatible with a range of Jeep vehicles, including Cherokee, CJ5, CJ7, Grand Wagoneer, J10, J20, and Wagoneer models. It is specifically designed to replace worn or damaged seals in these vehicles, helping to maintain engine oil containment and prevent leaks that can lead to engine damage.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrevents oil leaks around the crankshaft\u003c\/li\u003e\n\u003cli\u003eReduces contamination of engine oil\u003c\/li\u003e\n\u003cli\u003eMaintains engine performance and longevity\u003c\/li\u003e\n\u003cli\u003eAddresses wear and tear from engine operation\u003c\/li\u003e\n\u003cli\u003eReplaces damaged or hardened seals\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the National 710447 crankshaft seal, ensure the housing bore and shaft surfaces are clean and free of debris. Use appropriate tools to press the seal evenly into the housing bore without damaging the sealing lip. Verify the seal orientation matches the clockwise-spiral lip design for proper function. Lubricate the seal lip lightly with clean engine oil before installation to reduce initial wear.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eNational’s 710447 crankshaft seal is manufactured to meet industry standards for durability and performance. The seal includes a Redicoat coating to enhance wear resistance and extend service life. While specific warranty details may vary, National products typically come with a limited warranty against manufacturing defects, ensuring reliability for your Jeep engine maintenance needs.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43448345329845,"sku":"BCZK-710447","price":19.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_710447_Fro.jpg?v=1774734746","url":"https:\/\/www.partcatalog.com\/products\/national-710447-engine-crankshaft-seal","provider":"PartCatalog","version":"1.0","type":"link"}