{"product_id":"national-5288-engine-crankshaft-seal","title":"National 5288 Engine Crankshaft Seal - Rear","description":"\u003ch2\u003eOverview of National 5288 Engine Crankshaft Seal\u003c\/h2\u003e\u003cp\u003eThe National 5288 engine crankshaft seal is designed to provide reliable sealing performance for various Ford, Land Rover, Mazda, and Mercury vehicles. Engineered with precision, this oil seal kit ensures proper fitment and durability for models such as the Ford Explorer, Mustang, and Land Rover LR3.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside diameter: 2.379 inches (60.430 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 3.012 inches (76.500 mm)\u003c\/li\u003e\n\u003cli\u003eThickness\/width: 0.800 inches (20.320 mm)\u003c\/li\u003e\n\u003cli\u003eMaterial: PTFE for enhanced wear resistance and sealing\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple Ford, Land Rover, Mazda, and Mercury models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications and Material Details\u003c\/h2\u003e\u003cp\u003eThe National 5288 crankshaft seal features a PTFE (Polytetrafluoroethylene) sealing lip, which offers excellent chemical resistance and low friction properties. The seal’s inside diameter measures 2.379 inches (60.430 mm), matching the shaft size for a secure fit. Its outside diameter is 3.012 inches (76.500 mm), designed to fit precisely within the engine housing. The thickness of 0.800 inches (20.320 mm) ensures adequate sealing surface area to prevent oil leaks under various operating conditions.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis engine crankshaft seal is compatible with a range of vehicles, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFord Explorer, Explorer Sport, Explorer Sport Trac, Mustang, Ranger, Aerostar, Bronco II, B4000, Pinto\u003c\/li\u003e\n\u003cli\u003eLand Rover LR3\u003c\/li\u003e\n\u003cli\u003eMazda Bobcat\u003c\/li\u003e\n\u003cli\u003eMercury Mountaineer, Capri, Navajo, Fiesta\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUse the National 5288 seal when replacing worn or damaged crankshaft seals on these models to maintain engine oil integrity and prevent contamination.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by the National 5288 Seal\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents oil leaks around the crankshaft\u003c\/li\u003e\n\u003cli\u003eReduces risk of engine contamination from dirt and debris\u003c\/li\u003e\n\u003cli\u003eMaintains proper oil pressure within the engine\u003c\/li\u003e\n\u003cli\u003eMinimizes wear on the crankshaft and seal interface\u003c\/li\u003e\n\u003cli\u003eHelps avoid costly engine repairs due to oil loss\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the crankshaft and housing surfaces are clean and free of debris before installation. Use appropriate tools to press the seal evenly into place without damaging the PTFE lip. Verify the seal orientation matches the engine manufacturer’s specifications. After installation, inspect for leaks during initial engine operation and retighten components as necessary.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational engine seals are manufactured to meet OEM standards for fit, form, and function. The PTFE material provides durability under high temperature and pressure conditions typical of engine environments. While specific warranty details may vary, National products generally come with a limited warranty against manufacturing defects to ensure customer confidence in product reliability.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43448222941365,"sku":"BCZK-5288","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_5288_Ang.jpg?v=1774734533","url":"https:\/\/www.partcatalog.com\/products\/national-5288-engine-crankshaft-seal","provider":"PartCatalog","version":"1.0","type":"link"}