{"product_id":"national-710473-engine-crankshaft-seal-rear","title":"National 710473 Engine Crankshaft Seal - Rear","description":"\u003ch2\u003eOverview of National 710473 Engine Crankshaft Seal\u003c\/h2\u003e\u003cp\u003eThe National 710473 engine crankshaft seal is designed to provide reliable sealing performance for Dodge Ram 2500 and Ram 3500 models. Constructed with durable PTFE material, this oil seal ensures effective containment of engine oil, helping maintain engine integrity and prevent leaks.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside diameter: 128.000 mm (5.039 inches)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 150.500 mm (5.925 inches)\u003c\/li\u003e\n\u003cli\u003eThickness\/width: 21.600 mm (0.850 inches)\u003c\/li\u003e\n\u003cli\u003eMaterial: PTFE for enhanced wear resistance and sealing\u003c\/li\u003e\n\u003cli\u003eCompatible with Dodge Ram 2500 and Ram 3500 models\u003c\/li\u003e\n\u003cli\u003ePart number: 710473, series 710400\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe National 710473 crankshaft seal is engineered to fit precisely within the housing bore measuring approximately 150.370 mm (5.920 inches). Its PTFE construction offers excellent resistance to heat, chemicals, and wear, making it suitable for demanding engine environments. The seal’s dimensions, including a 128 mm (5.039 inch) inside diameter and 150.5 mm (5.925 inch) outside diameter, ensure a tight fit around the crankshaft to prevent oil leakage. With a thickness of 21.6 mm (0.850 inches), this oil seal maintains durability and flexibility under engine operating conditions.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents oil leaks around the crankshaft in Dodge Ram 2500 and Ram 3500 engines\u003c\/li\u003e\n\u003cli\u003eReduces contamination of engine oil by sealing out dirt and debris\u003c\/li\u003e\n\u003cli\u003eHelps maintain proper oil pressure and lubrication within the engine\u003c\/li\u003e\n\u003cli\u003eAddresses wear-related seal failures due to heat and friction\u003c\/li\u003e\n\u003cli\u003eSupports engine longevity by maintaining effective sealing\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 engine specifications to prevent premature failure. Use appropriate tools to press the seal evenly into the housing bore without damaging the PTFE material. Avoid excessive force or misalignment during installation to maintain seal integrity.\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 710473 part number belongs to the 710400 series, known for consistent quality in sealing solutions. While specific warranty details are not provided, National products typically adhere to OEM quality requirements to ensure reliable service life in Dodge Ram 2500 and Ram 3500 applications.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":52163239542965,"sku":"BCZK-710473","price":37.18,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_710473_Fro.jpg?v=1775590337","url":"https:\/\/www.partcatalog.com\/products\/national-710473-engine-crankshaft-seal-rear","provider":"PartCatalog","version":"1.0","type":"link"}