{"product_id":"national-227040-engine-crankshaft-seal","title":"National 227040 Engine Crankshaft Seal - Rear","description":"\u003ch2\u003eOverview of National 227040 Engine Crankshaft Seal\u003c\/h2\u003e\u003cp\u003eThe National 227040 engine crankshaft seal is designed specifically for Volkswagen Beetle models, providing reliable sealing performance. Engineered with precision, this oil seal helps maintain engine integrity by preventing oil leaks around the crankshaft.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Volkswagen Beetle vehicles\u003c\/li\u003e\n\u003cli\u003eInside diameter: 70.000 mm (2.756 inches)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 90.320 mm (3.554 inches)\u003c\/li\u003e\n\u003cli\u003eThickness: 10.000 mm (0.394 inches)\u003c\/li\u003e\n\u003cli\u003eCounter-clockwise spiral lip design for effective sealing\u003c\/li\u003e\n\u003cli\u003eConstructed from durable polyacrylate material\u003c\/li\u003e\n\u003cli\u003eRedicoat surface treatment for enhanced wear resistance\u003c\/li\u003e\n\u003cli\u003ePart of the National 220000 series\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Design Features\u003c\/h2\u003e\u003cp\u003eThe National 227040 crankshaft seal features a counter-clockwise spiral lip design that ensures a tight seal around the crankshaft, reducing the risk of oil leakage. Its polyacrylate construction offers resistance to heat and oil degradation, suitable for the operating conditions of Volkswagen Beetle engines. The seal measures 70 mm in inside diameter and 90.32 mm in outside diameter, with a thickness of 10 mm, matching the housing bore size of 90 mm to ensure a precise fit. The Redicoat coating enhances the seal’s durability by providing additional protection against wear and corrosion.\u003c\/p\u003e\u003ch2\u003eApplication and Problem Solving\u003c\/h2\u003e\u003cp\u003eThis engine crankshaft seal is used to maintain proper oil containment within the engine, preventing contamination and loss of lubrication. It addresses several common issues including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePreventing oil leaks around the crankshaft area\u003c\/li\u003e\n\u003cli\u003eReducing engine oil contamination\u003c\/li\u003e\n\u003cli\u003eMinimizing wear on the crankshaft and housing bore\u003c\/li\u003e\n\u003cli\u003eMaintaining engine performance by preserving oil pressure\u003c\/li\u003e\n\u003cli\u003eProtecting against dirt and debris ingress\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the National 227040 crankshaft seal on a Volkswagen Beetle, ensure the housing bore is clean and free of debris. Use appropriate tools to press the seal evenly into place without damaging the lip or coating. Verify the orientation of the counter-clockwise spiral lip design to match the crankshaft rotation direction. Lubricate the seal lip lightly with engine oil before installation to reduce initial wear.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational’s 220000 series crankshaft seals, including part number 227040, are manufactured to meet industry standards for durability and performance. The polyacrylate material and Redicoat treatment contribute to long service life under typical operating conditions. While specific warranty details may vary, National products generally come with a limited warranty against manufacturing defects, ensuring reliability for Volkswagen Beetle owners.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43448292573365,"sku":"BCZK-227040","price":33.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_227040_Fro_4e5f8246-9b1e-4bd0-8a82-fece3eebcad3.jpg?v=1774734627","url":"https:\/\/www.partcatalog.com\/products\/national-227040-engine-crankshaft-seal","provider":"PartCatalog","version":"1.0","type":"link"}