{"product_id":"national-710850-engine-crankshaft-seal-front","title":"National 710850 Engine Crankshaft Seal - Front","description":"\u003ch2\u003eOverview of National 710850 Engine Crankshaft Seal\u003c\/h2\u003e\u003cp\u003eThe National 710850 engine crankshaft seal is designed specifically for Mini Cooper, Cooper Countryman, and Cooper Paceman models. Engineered with precision, this oil seal ensures reliable sealing performance to protect your engine’s crankshaft from oil leaks and contaminants.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside diameter: 2.402 inches (61.000 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 2.961 inches (75.200 mm)\u003c\/li\u003e\n\u003cli\u003eThickness\/width: 0.315 inches (8.000 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: 2.953 inches (75.000 mm)\u003c\/li\u003e\n\u003cli\u003ePart number: 710850, part of the 710800 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, which helps extend the service life of the seal. The clockwise-spiral lip design improves sealing efficiency by directing oil back into the engine, reducing leakage. With an inside diameter of 2.402 inches and an outside diameter of 2.961 inches, this seal fits precisely within the housing bore of 2.953 inches, ensuring a secure and tight fit on the crankshaft.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eCompatible with Mini vehicles, this crankshaft seal is suitable for the Cooper, Cooper Countryman, and Cooper Paceman models. The part number 710850 is specifically designed to meet the OEM specifications for these models, providing a reliable replacement option for maintaining engine integrity and performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrevents oil leaks around the crankshaft\u003c\/li\u003e\n\u003cli\u003eProtects engine components from dirt and debris\u003c\/li\u003e\n\u003cli\u003eMaintains proper oil pressure within the engine\u003c\/li\u003e\n\u003cli\u003eReduces wear on the crankshaft and surrounding parts\u003c\/li\u003e\n\u003cli\u003eHelps avoid costly engine 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 710850 crankshaft seal, ensure the housing bore and crankshaft surfaces are clean and free of debris. Use appropriate tools to press the seal evenly into place without damaging the sealing lip. Verify the seal orientation matches the clockwise-spiral lip design to optimize sealing performance. Proper installation will help prevent premature seal failure and maintain engine reliability.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational manufactures this crankshaft seal to meet strict quality standards, ensuring durability and consistent performance. The PTFE material and precision design contribute to long service life under normal operating conditions. While specific warranty details are not provided, National products typically adhere to industry standards for automotive replacement parts.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":52238165803189,"sku":"BCZK-710850","price":32.6,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_710850_Fro.jpg?v=1775665006","url":"https:\/\/www.partcatalog.com\/products\/national-710850-engine-crankshaft-seal-front","provider":"PartCatalog","version":"1.0","type":"link"}