{"product_id":"national-8516n-engine-crankshaft-seal","title":"National 8516N Engine Crankshaft Seal - Front, Front Outer or Rear Outer","description":"\u003ch2\u003eOverview of National 8516N Engine Crankshaft Seal\u003c\/h2\u003e\u003cp\u003eThe National 8516N engine crankshaft seal is designed to provide reliable sealing performance for various Chrysler, Dodge, Jeep, and Plymouth vehicles. Engineered with durable polyacrylate material, this oil seal helps maintain engine integrity by preventing oil leaks around the crankshaft.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside diameter: 1.687 inches (42.85 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 2.627 inches (66.73 mm)\u003c\/li\u003e\n\u003cli\u003eFlanged outside diameter: 2.772 inches (70.41 mm)\u003c\/li\u003e\n\u003cli\u003eThickness\/width: 0.437 inches (11.1 mm)\u003c\/li\u003e\n\u003cli\u003eSealing material: Polyacrylate for enhanced durability\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple Chrysler, Dodge, Jeep, and Plymouth models\u003c\/li\u003e\n\u003cli\u003ePart number: 8516N\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description and Specifications\u003c\/h2\u003e\u003cp\u003eThe National 8516N crankshaft seal is part of the 8000 series and is constructed from polyacrylate, a material known for its resistance to heat, oil, and wear. This seal features a precise inside diameter of 1.687 inches (42.85 mm) and an outside diameter of 2.627 inches (66.73 mm), with a flanged outside diameter of 2.772 inches (70.41 mm) to ensure a secure fit within the housing bore measuring 2.623 inches (66.62 mm). The thickness of 0.437 inches (11.1 mm) provides a robust barrier against oil leakage, maintaining engine cleanliness and performance.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis engine crankshaft seal is compatible with a range of Chrysler, Dodge, Jeep, and Plymouth vehicles, including but not limited to the Dodge Ram 1500 Van, Jeep Cherokee, Plymouth Duster, Chrysler Town \u0026amp; Country, and Dodge Dakota. It is suitable for models such as Aspen, B100, B150, B200, B250, B1500, B2500, Challenger, Charger, D100, D150, Dart, Durango, Fifth Avenue, Imperial, LeBaron, Magnum, Monaco, Newport, New Yorker, PB150, PB250, Ram 2500 Van, Ramcharger, and W150.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by the National 8516N Seal\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents oil leaks around the engine crankshaft\u003c\/li\u003e\n\u003cli\u003eReduces risk of engine contamination from oil seepage\u003c\/li\u003e\n\u003cli\u003eMaintains proper engine lubrication pressure\u003c\/li\u003e\n\u003cli\u003eMinimizes wear on crankshaft and surrounding 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\u003cp\u003eWhen installing the National 8516N crankshaft seal, ensure the housing bore and crankshaft surfaces are clean and free of debris. Use appropriate tools to press the seal evenly into place without damaging the sealing lip. Verify the seal orientation matches the engine specifications to prevent premature failure. Lubricate the seal lip lightly with engine oil before installation to facilitate proper seating and reduce initial wear.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational manufactures the 8516N crankshaft seal to meet industry standards for durability and performance. The polyacrylate material offers resistance to heat and oil degradation, contributing to long service life. While specific warranty details may vary, National products typically come with a limited warranty against manufacturing defects, ensuring reliability for professional and DIY automotive repairs.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43448241258677,"sku":"BCZK-8516N","price":25.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_8516N_Fro_4086d27b-0db1-4951-b860-a41cdc59ec08.jpg?v=1774734553","url":"https:\/\/www.partcatalog.com\/products\/national-8516n-engine-crankshaft-seal","provider":"PartCatalog","version":"1.0","type":"link"}