{"product_id":"national-1108-engine-intermediate-shaft-seal","title":"National 1108 Engine Intermediate Shaft Seal - Front","description":"\u003ch2\u003eOverview of National 1108 Engine Intermediate Shaft Seal\u003c\/h2\u003e\u003cp\u003eThe National 1108 Engine Intermediate Shaft Seal is designed to provide reliable sealing performance for various Audi, Isuzu, Suzuki, Volkswagen, and Volvo models. Engineered with a fluoro-elastomer sealing material and a clockwise-spiral lip design, this oil seal ensures effective containment of engine fluids and protection against contaminants.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside diameter: 1.378 inches (35.000 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 1.906 inches (48.400 mm)\u003c\/li\u003e\n\u003cli\u003eThickness\/width: 0.276 inches (7.000 mm)\u003c\/li\u003e\n\u003cli\u003eHelix type: Clockwise-spiral lip design for enhanced sealing\u003c\/li\u003e\n\u003cli\u003eMaterial: Durable fluoro-elastomer for heat and chemical resistance\u003c\/li\u003e\n\u003cli\u003eHousing bore compatibility: 1.890 inches (48.000 mm)\u003c\/li\u003e\n\u003cli\u003ePart number: 1108\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Specifications\u003c\/h2\u003e\u003cp\u003eThis National 1108 engine intermediate shaft seal is part of the 1000 series and is constructed from fluoro-elastomer, a material known for its resistance to high temperatures, oils, and chemicals commonly found in automotive engines. The seal features a clockwise-spiral lip design that improves sealing efficiency by directing contaminants away from the shaft. With an inside diameter of 1.378 inches and an outside diameter of 1.906 inches, it fits precisely within a housing bore of 1.890 inches, ensuring a secure and leak-free installation. The 0.276-inch thickness provides durability without compromising flexibility.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis engine intermediate shaft seal is compatible with a range of vehicles, including Audi models such as the 80, 80 Quattro, 90, 90 Quattro, 100, 100 Quattro, 200, 200 Quattro, A4, A4 Quattro, A6, A6 Quattro, A8 Quattro, Allroad Quattro, S4, S6, and S8. It also fits Isuzu Amigo, Rodeo, and Rodeo Sport, Suzuki Swift+, Volkswagen Golf, Jetta, Passat, Phaeton, EuroVan, Touareg, and V8 Quattro, as well as Volvo 740, 745, 760, 4000, 4000 Quattro, and 5000 Quattro models. The National 1108 seal is designed to maintain engine integrity by preventing oil leaks and contamination in these specific applications.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by the National 1108 Seal\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents oil leaks from the engine intermediate shaft\u003c\/li\u003e\n\u003cli\u003eProtects against dirt and debris entering the engine\u003c\/li\u003e\n\u003cli\u003eReduces wear on the shaft and surrounding components\u003c\/li\u003e\n\u003cli\u003eMaintains engine pressure and fluid containment\u003c\/li\u003e\n\u003cli\u003eHelps avoid premature engine component failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the National 1108 engine intermediate shaft seal, 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 sealing surface. Verify the shaft diameter matches the seal’s inside diameter of 1.378 inches to ensure proper fitment. Lubricate the seal lip lightly with engine oil before installation to reduce initial wear. Follow vehicle-specific service manual instructions for torque specifications and installation procedures.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational manufactures the 1108 engine intermediate shaft seal to meet industry standards for durability and performance. The fluoro-elastomer material and precise engineering provide reliable sealing under demanding engine conditions. While specific warranty details may vary, National products typically come with a limited warranty against manufacturing defects, ensuring confidence in the product’s quality and longevity.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43446463561909,"sku":"BCZK-1108","price":25.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_1108_Fro_1ef9f3c5-b0ac-4d42-b3c1-b64d61060631.jpg?v=1774734495","url":"https:\/\/www.partcatalog.com\/products\/national-1108-engine-intermediate-shaft-seal","provider":"PartCatalog","version":"1.0","type":"link"}