{"product_id":"national-711133-engine-crankshaft-seal-rear","title":"National 711133 Engine Crankshaft Seal - Rear","description":"\u003ch2\u003eOverview of National 711133 Engine Crankshaft Seal\u003c\/h2\u003e\u003cp\u003eThe National 711133 engine crankshaft seal is designed to provide reliable sealing performance for select Audi and Volkswagen vehicles. Engineered with a counter-clockwise-spiral lip design, this oil seal helps maintain engine integrity by preventing oil leaks around the crankshaft.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCounter-clockwise-spiral lip design for effective sealing\u003c\/li\u003e\n\u003cli\u003eConstructed from durable PTFE material for enhanced wear resistance\u003c\/li\u003e\n\u003cli\u003eHousing bore diameter of 105.000 mm (4.134 inches)\u003c\/li\u003e\n\u003cli\u003eOutside diameter of 105.300 mm (4.146 inches)\u003c\/li\u003e\n\u003cli\u003eShaft diameter of 85.000 mm (3.346 inches)\u003c\/li\u003e\n\u003cli\u003eSeal width of 14.3 mm (0.563 inches)\u003c\/li\u003e\n\u003cli\u003ePart of the National 711100 series\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe National 711133 crankshaft seal is an oil seal and housing unit designed to fit specific engine configurations in Audi and Volkswagen models. Its PTFE (polytetrafluoroethylene) construction offers excellent chemical resistance and low friction, which contributes to longer service life and reliable sealing under various operating conditions. The seal features a helix type counter-clockwise-spiral lip design that enhances its ability to retain oil and prevent contaminants from entering the engine. With precise dimensions including a 105 mm housing bore and an 85 mm shaft diameter, this seal is engineered to meet OEM specifications for models such as the Audi A4, A4 Quattro, A6, A6 Quattro, Cabriolet, and Volkswagen Golf, Jetta, Passat, and EuroVan.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis National 711133 engine crankshaft seal is compatible with the following makes and models:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAudi A4 and A4 Quattro\u003c\/li\u003e\n\u003cli\u003eAudi A6 and A6 Quattro\u003c\/li\u003e\n\u003cli\u003eAudi Cabriolet\u003c\/li\u003e\n\u003cli\u003eVolkswagen EuroVan\u003c\/li\u003e\n\u003cli\u003eVolkswagen Golf\u003c\/li\u003e\n\u003cli\u003eVolkswagen Jetta\u003c\/li\u003e\n\u003cli\u003eVolkswagen Passat\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is designed to address common issues such as oil leaks around the crankshaft, contamination ingress, and premature seal wear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrevents oil leaks from the crankshaft area\u003c\/li\u003e\n\u003cli\u003eReduces risk of engine contamination\u003c\/li\u003e\n\u003cli\u003eMinimizes wear on the crankshaft seal lip\u003c\/li\u003e\n\u003cli\u003eMaintains engine oil pressure and cleanliness\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 711133 crankshaft seal, ensure the housing bore and shaft surfaces are clean and free of debris. Proper alignment during installation is critical to avoid seal damage. Use appropriate tools to press the seal evenly into the housing bore without distortion. Verify the helix lip orientation matches the counter-clockwise spiral design for optimal sealing performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational engine seals are manufactured to meet industry standards for durability and performance. The 711133 part number is part of the 711100 series, known for consistent quality in sealing solutions. While specific warranty details are not provided, National products typically adhere to OEM quality requirements and undergo rigorous testing to ensure reliability in automotive applications.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":52166025838773,"sku":"BCZK-711133","price":97.63,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_711133_Top.jpg?v=1775590345","url":"https:\/\/www.partcatalog.com\/products\/national-711133-engine-crankshaft-seal-rear","provider":"PartCatalog","version":"1.0","type":"link"}