{"product_id":"national-710187-engine-crankshaft-seal-front","title":"National 710187 Engine Crankshaft Seal - Front","description":"\u003ch2\u003eOverview of National 710187 Engine Crankshaft Seal\u003c\/h2\u003e\u003cp\u003eThe National 710187 engine crankshaft seal is designed to provide reliable sealing performance for select Lexus and Toyota 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: 2.047 inches (52.000 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 2.766 inches (70.270 mm)\u003c\/li\u003e\n\u003cli\u003eThickness\/width: 0.335 inches (8.500 mm)\u003c\/li\u003e\n\u003cli\u003eMaterial: Polyacrylate for durability and resistance\u003c\/li\u003e\n\u003cli\u003eClockwise-spiral lip design for effective sealing\u003c\/li\u003e\n\u003cli\u003eCompatible housing bore: 2.756 inches (70.000 mm)\u003c\/li\u003e\n\u003cli\u003ePart number: 710187, Series 710100\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis National engine crankshaft seal (part number 710187) features a polyacrylate construction that offers strong resistance to heat, oil, and wear. The seal’s clockwise-spiral lip design enhances its ability to maintain a tight seal around the crankshaft, reducing the risk of oil leakage. With an inside diameter of 2.047 inches and an outside diameter of 2.766 inches, it fits precisely within a 2.756-inch housing bore, ensuring proper installation and function. The 0.335-inch thickness provides a robust barrier against contaminants while maintaining flexibility for dynamic engine conditions.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis crankshaft seal is compatible with various Lexus and Toyota models, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLexus LX450\u003c\/li\u003e\n\u003cli\u003eToyota Cressida\u003c\/li\u003e\n\u003cli\u003eToyota Land Cruiser\u003c\/li\u003e\n\u003cli\u003eToyota Supra\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is specifically designed to replace worn or damaged seals in these vehicles, helping to restore engine sealing performance and prevent oil leaks.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Seal\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents oil leaks around the crankshaft area\u003c\/li\u003e\n\u003cli\u003eReduces contamination ingress into the engine\u003c\/li\u003e\n\u003cli\u003eMaintains proper oil pressure and lubrication\u003c\/li\u003e\n\u003cli\u003eMinimizes engine wear caused by oil loss\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\u003eEnsure the crankshaft and housing bore are clean and free of debris before installation. Verify the seal orientation matches the clockwise-spiral lip design for optimal sealing. Use appropriate tools to press the seal evenly into the housing bore without damaging the lip or seal body. Check for proper fitment with the specified inside and outside diameters to avoid leaks.\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 polyacrylate 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 quality control processes to ensure reliability in automotive applications.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":51869016686773,"sku":"BCZK-710187","price":39.21,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_710187_Fro.jpg?v=1774734727","url":"https:\/\/www.partcatalog.com\/products\/national-710187-engine-crankshaft-seal-front","provider":"PartCatalog","version":"1.0","type":"link"}