{"product_id":"national-3772-engine-crankshaft-seal","title":"National 3772 Engine Crankshaft Seal - Rear","description":"\u003ch2\u003eNational 3772 Engine Crankshaft Seal Overview\u003c\/h2\u003e\u003cp\u003eThe National 3772 engine crankshaft seal is designed to provide reliable sealing performance for various Ford, Lincoln, Mazda, Mercury, and Saab vehicles. Engineered with a silicone material and a counter-clockwise-spiral lip design, this oil seal ensures effective protection against oil leaks and contamination.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside diameter: 3.465 inches (88.000 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 4.266 inches (108.360 mm)\u003c\/li\u003e\n\u003cli\u003eThickness\/width: 0.433 inches (11.000 mm)\u003c\/li\u003e\n\u003cli\u003eMaterial: Durable silicone for heat and wear resistance\u003c\/li\u003e\n\u003cli\u003eHelix type: Counter-clockwise spiral lip design for enhanced sealing\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple Ford, Lincoln, Mazda, Mercury, and Saab models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe National 3772 crankshaft seal is part of the 3000 series, known for its precision and durability in engine gasket and sealing systems. Constructed from high-quality silicone, this oil seal withstands high temperatures and resists degradation from engine fluids. The counter-clockwise spiral lip design improves sealing efficiency by maintaining consistent contact with the crankshaft, reducing the risk of oil leaks. With an inside diameter of 3.465 inches and an outside diameter of 4.266 inches, this seal fits housing bores measuring approximately 4.252 inches (108.000 mm), making it suitable for a range of engine applications.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis crankshaft seal is compatible with various models from Ford, Lincoln, Mazda, Mercury, and Saab, including but not limited to:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFord Aerostar, B3000, Contour, Escape, Escort, Focus, Ranger, Taurus, Tempo, Windstar, Zephyr\u003c\/li\u003e\n\u003cli\u003eLincoln LS, Lynx, Mystique, Sable\u003c\/li\u003e\n\u003cli\u003eMazda LN7, Probe, Tribute\u003c\/li\u003e\n\u003cli\u003eMercury Cougar, Mystique, Sable, Topaz, Tracer\u003c\/li\u003e\n\u003cli\u003eSaab 9-3, 9-5, 900, 9000\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by National 3772 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 dirt and debris\u003c\/li\u003e\n\u003cli\u003eMaintains engine oil pressure by sealing the crankshaft housing\u003c\/li\u003e\n\u003cli\u003eMinimizes wear on engine components caused by oil loss\u003c\/li\u003e\n\u003cli\u003eHelps avoid costly engine repairs related 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 counter-clockwise spiral lip design\u003c\/li\u003e\n\u003cli\u003eCheck for correct fitment with the specified inside and outside diameters\u003c\/li\u003e\n\u003cli\u003eConsult vehicle service manual for torque specifications and installation procedures\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThe National 3772 crankshaft seal is manufactured to meet industry standards for engine sealing components. Made from silicone material, it offers resistance to heat and engine fluids, ensuring long service life. While specific warranty details may vary, National products typically come with a limited warranty against manufacturing defects. Always verify warranty terms with the product documentation or supplier.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43448188862645,"sku":"BCZK-3772","price":27.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_3772_Fro.jpg?v=1774734514","url":"https:\/\/www.partcatalog.com\/products\/national-3772-engine-crankshaft-seal","provider":"PartCatalog","version":"1.0","type":"link"}