{"product_id":"national-7486s-engine-crankshaft-seal-front","title":"National 7486S Engine Crankshaft Seal - Front","description":"\u003ch2\u003eOverview of National 7486S Engine Crankshaft Seal\u003c\/h2\u003e\u003cp\u003eThe National 7486S engine crankshaft seal is designed to provide reliable sealing performance for select Ford and Mercury vehicles. Engineered with nitrile material, this oil seal ensures effective protection against oil leaks and contamination in the crankshaft area.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside diameter: 1.750 inches (44.450 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 2.381 inches (60.480 mm)\u003c\/li\u003e\n\u003cli\u003eThickness\/width: 0.437 inches (11.100 mm)\u003c\/li\u003e\n\u003cli\u003eHousing bore size: 2.374 inches (60.300 mm)\u003c\/li\u003e\n\u003cli\u003eMaterial: durable nitrile rubber for oil resistance\u003c\/li\u003e\n\u003cli\u003ePart number: 7486S\u003c\/li\u003e\n\u003cli\u003eSeries: 7000\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe National 7486S crankshaft seal is part of the 7000 series, crafted to maintain a tight seal around the crankshaft, preventing oil leakage and protecting engine components from dirt and debris. Its nitrile construction offers resistance to heat, oil, and wear, making it suitable for the demanding environment of engine operation. The seal’s precise dimensions, including a 1.750-inch inside diameter and 2.381-inch outside diameter, ensure a proper fit within the housing bore of 2.374 inches, providing a secure and effective seal.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis crankshaft seal is compatible with a range of Ford and Mercury models, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFord Bronco\u003c\/li\u003e\n\u003cli\u003eFord Capri\u003c\/li\u003e\n\u003cli\u003eFord Cougar\u003c\/li\u003e\n\u003cli\u003eFord E-100 Econoline and Econoline series\u003c\/li\u003e\n\u003cli\u003eFord Fairmont\u003c\/li\u003e\n\u003cli\u003eFord LTD\u003c\/li\u003e\n\u003cli\u003eFord Marquis\u003c\/li\u003e\n\u003cli\u003eMercury Monarch\u003c\/li\u003e\n\u003cli\u003eMercury Montego\u003c\/li\u003e\n\u003cli\u003eFord Mustang\u003c\/li\u003e\n\u003cli\u003eFord Thunderbird\u003c\/li\u003e\n\u003cli\u003eMercury Villager\u003c\/li\u003e\n\u003cli\u003eMercury Zephyr\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUsing the National 7486S ensures compatibility and proper sealing performance for these specific models.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by the National 7486S Seal\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents oil leaks around the crankshaft area\u003c\/li\u003e\n\u003cli\u003eProtects engine components from dirt and contaminants\u003c\/li\u003e\n\u003cli\u003eReduces risk of engine damage due to oil loss\u003c\/li\u003e\n\u003cli\u003eMaintains engine oil pressure and efficiency\u003c\/li\u003e\n\u003cli\u003eMinimizes wear on crankshaft bearings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the National 7486S crankshaft seal, ensure the housing bore is clean and free of debris. Use appropriate tools to press the seal evenly into place without damaging the sealing lip. Verify the seal’s orientation matches the engine manufacturer’s specifications to maintain optimal sealing performance. Lubricate the seal lip lightly with clean engine oil before installation to reduce initial wear.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational manufactures the 7486S crankshaft seal to meet industry standards for durability and performance. The nitrile material and precise dimensions contribute to consistent sealing reliability. While specific warranty details are not provided, National products typically adhere to quality control processes to ensure fit and function for the listed Ford and Mercury applications.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":51869013868725,"sku":"BCZK-7486S","price":20.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_7486S_Fro.jpg?v=1774734546","url":"https:\/\/www.partcatalog.com\/products\/national-7486s-engine-crankshaft-seal-front","provider":"PartCatalog","version":"1.0","type":"link"}