{"product_id":"national-710471-engine-crankshaft-seal","title":"National 710471 Engine Crankshaft Seal - Rear","description":"\u003ch2\u003eOverview of National 710471 Engine Crankshaft Seal\u003c\/h2\u003e\u003cp\u003eThe National 710471 engine crankshaft seal is designed to provide reliable sealing performance for various Chrysler, Dodge, Jeep, Mitsubishi, and Ram 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: 100 mm (3.937 inches)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 120.32 mm (4.737 inches)\u003c\/li\u003e\n\u003cli\u003eThickness\/width: 9.5 mm (0.374 inches)\u003c\/li\u003e\n\u003cli\u003eMaterial: durable polyacrylate compound\u003c\/li\u003e\n\u003cli\u003eHelix type: counter-clockwise spiral lip design for effective sealing\u003c\/li\u003e\n\u003cli\u003eCompatible housing bore: 120 mm (4.724 inches)\u003c\/li\u003e\n\u003cli\u003ePart number: 710471, series 710400\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Material Specifications\u003c\/h2\u003e\u003cp\u003eThis National crankshaft seal features a polyacrylate material known for its resistance to heat, oil, and wear, ensuring long-lasting performance in demanding engine environments. The counter-clockwise spiral lip design enhances sealing efficiency by directing oil back into the engine, reducing leakage risks. With an inside diameter of 100 mm and an outside diameter of 120.32 mm, this seal fits precisely within the housing bore of 120 mm, providing a secure fit on shafts measuring 3.937 inches in diameter.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThe National 710471 crankshaft seal is compatible with a range of vehicles including Chrysler 1500, Dodge Dakota, Durango, Ram 1500, Jeep Grand Cherokee, Liberty, Nitro, and Mitsubishi Raider models. This seal is specifically designed for engine applications requiring a 32-type oil seal with the specified dimensions, making it suitable for maintenance and repair tasks on these vehicles.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Crankshaft Seal\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents oil leaks around the crankshaft area\u003c\/li\u003e\n\u003cli\u003eReduces engine contamination from external debris\u003c\/li\u003e\n\u003cli\u003eMaintains proper oil pressure within the engine\u003c\/li\u003e\n\u003cli\u003eMinimizes wear on crankshaft and housing components\u003c\/li\u003e\n\u003cli\u003eHelps avoid costly engine damage due to oil loss\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the crankshaft and housing bore are clean and free of debris before installation. Verify the seal orientation matches the counter-clockwise spiral lip design to optimize sealing performance. Use appropriate tools to press the seal evenly into the housing bore without damaging the lip or seal body. Check shaft dimensions to confirm compatibility with the 3.937-inch diameter specification.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational engine crankshaft seals are manufactured to meet industry standards for durability and performance. The 710471 seal is part of the 710400 series, known for consistent quality in sealing systems. While specific warranty details may vary, National typically offers coverage against manufacturing defects to ensure customer confidence in their products.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43448346869941,"sku":"BCZK-710471","price":31.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_710471_Fro.jpg?v=1774734750","url":"https:\/\/www.partcatalog.com\/products\/national-710471-engine-crankshaft-seal","provider":"PartCatalog","version":"1.0","type":"link"}