{"product_id":"national-710896-engine-crankshaft-seal","title":"National 710896 Engine Crankshaft Seal - Rear","description":"\u003ch2\u003eOverview of National 710896 Engine Crankshaft Seal\u003c\/h2\u003e\u003cp\u003eThe National 710896 engine crankshaft seal is designed to provide reliable sealing performance for various Ford, Lincoln, Mazda, and Mercury vehicles. Engineered with a fluoro-elastomer material and a clockwise-spiral lip design, this oil seal ensures effective protection against oil leaks and contamination.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside diameter: 3.622 inches (92.000 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 4.299 inches (109.200 mm)\u003c\/li\u003e\n\u003cli\u003eThickness: 0.374 inches (9.500 mm)\u003c\/li\u003e\n\u003cli\u003eOverall width with side lip: 0.551 inches (14.000 mm)\u003c\/li\u003e\n\u003cli\u003eHelix type: Clockwise-spiral lip design for enhanced sealing\u003c\/li\u003e\n\u003cli\u003eMaterial: Durable fluoro-elastomer for heat and chemical resistance\u003c\/li\u003e\n\u003cli\u003eHousing bore: 4.291 inches (109.000 mm)\u003c\/li\u003e\n\u003cli\u003ePart number: 710896\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe National 710896 crankshaft seal is part of the 710800 series, crafted to meet the demanding requirements of engine sealing systems. Its fluoro-elastomer construction offers excellent resistance to heat, oil, and other automotive fluids, making it suitable for heavy-duty applications. The clockwise-spiral lip design helps maintain a tight seal around the crankshaft, reducing the risk of oil leaks and contamination that can lead to engine damage. With precise dimensions including a 3.622-inch inside diameter and a 4.299-inch outside diameter, this seal fits securely within the housing bore of 4.291 inches, ensuring proper installation and long-lasting performance.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis engine crankshaft seal is compatible with a range of Ford, Lincoln, Mazda, and Mercury models, including but not limited to:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFord F-150, F-250 Super Duty, F-350 Super Duty\u003c\/li\u003e\n\u003cli\u003eFord Explorer, Edge, Expedition\u003c\/li\u003e\n\u003cli\u003eLincoln Navigator, MKX, MKS, MKT, MKZ\u003c\/li\u003e\n\u003cli\u003eMazda CX-9\u003c\/li\u003e\n\u003cli\u003eMercury Sable, Mountaineer\u003c\/li\u003e\n\u003cli\u003eFord Transit-150, Transit-250, Transit-350, Transit-350 HD\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUsing the National 710896 seal ensures compatibility and reliable sealing performance for these specific 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 contamination from dirt and debris entering the engine\u003c\/li\u003e\n\u003cli\u003eMaintains engine oil pressure and efficiency\u003c\/li\u003e\n\u003cli\u003eProtects against premature wear of engine components\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\u003cul\u003e\n\u003cli\u003eEnsure the crankshaft and housing bore are clean and free of debris before installation\u003c\/li\u003e\n\u003cli\u003eUse proper tools to avoid damaging the seal during installation\u003c\/li\u003e\n\u003cli\u003eVerify the seal orientation matches the clockwise-spiral lip design for optimal sealing\u003c\/li\u003e\n\u003cli\u003eCheck dimensions carefully to confirm fitment with the vehicle’s specifications\u003c\/li\u003e\n\u003cli\u003eApply a light coat of engine oil on the seal lip before installation to reduce initial wear\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational manufactures the 710896 crankshaft seal to meet industry standards for durability and performance. The fluoro-elastomer material and precision engineering provide reliable sealing under demanding conditions. While specific warranty details may vary, National products typically come with a limited warranty against defects in material and workmanship, ensuring confidence in your purchase.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43448371937461,"sku":"BCZK-710896","price":33.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_710896_Fro.jpg?v=1774734804","url":"https:\/\/www.partcatalog.com\/products\/national-710896-engine-crankshaft-seal","provider":"PartCatalog","version":"1.0","type":"link"}