{"product_id":"national-415004-manual-transmission-output-shaft-seal","title":"National 415004 Manual Transmission Output Shaft Seal","description":"\u003ch2\u003eOverview of National 415004 Manual Transmission Output Shaft Seal\u003c\/h2\u003e\u003cp\u003eThe National 415004 manual transmission output shaft seal is engineered to provide reliable sealing performance for various vehicle makes and models. Constructed from durable nitrile material, this oil seal is designed to maintain transmission fluid integrity and prevent leaks in manual transmission systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh-quality nitrile construction for resistance to oil and wear\u003c\/li\u003e\n\u003cli\u003eInside diameter of 2.750 inches (69.85 mm) matching standard output shaft sizes\u003c\/li\u003e\n\u003cli\u003eOutside diameter of 3.756 inches (95.4 mm) for precise housing bore fitment\u003c\/li\u003e\n\u003cli\u003eSeal thickness of 0.500 inches (12.7 mm) ensuring proper sealing depth\u003c\/li\u003e\n\u003cli\u003eRedicoat surface treatment for enhanced durability and corrosion resistance\u003c\/li\u003e\n\u003cli\u003ePart of the National 410000 series, known for consistent quality in sealing systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description and Specifications\u003c\/h2\u003e\u003cp\u003eThe National 415004 output shaft seal is specifically designed for manual transmissions requiring a 2.750 inch (69.85 mm) shaft diameter and a housing bore of approximately 3.751 inches (95.28 mm). Its nitrile rubber composition offers excellent resistance to petroleum-based fluids and high temperatures commonly found in automotive transmission environments. The seal’s 0.500 inch (12.7 mm) thickness provides a secure fit to prevent fluid leakage while accommodating shaft movement. Additionally, the Redicoat treatment enhances the seal’s surface to reduce wear and extend service life. This seal is part of the National 410000 series, which focuses on gaskets and sealing systems engineered for durability and precision fitment.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents manual transmission fluid leaks around the output shaft\u003c\/li\u003e\n\u003cli\u003eReduces contamination ingress that can cause premature transmission wear\u003c\/li\u003e\n\u003cli\u003eMaintains proper lubrication within the transmission system\u003c\/li\u003e\n\u003cli\u003eAddresses issues related to worn or damaged output shaft seals in vehicles\u003c\/li\u003e\n\u003cli\u003eHelps avoid costly transmission repairs due to fluid loss\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the National 415004 output shaft seal, ensure the transmission output shaft and housing bore are clean and free of debris. Use appropriate tools to press the seal evenly into the housing bore without damaging the sealing lip. Verify the seal’s orientation matches the original part to maintain proper sealing function. It is recommended to inspect the shaft for wear or damage before installation to ensure optimal performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eNational manufactures the 415004 output shaft seal to meet industry standards for durability and performance. The use of nitrile material and Redicoat treatment reflects a commitment to quality and longevity. While specific warranty details are not provided, National products typically adhere to strict quality control processes to ensure reliability in automotive applications.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":51869015802037,"sku":"BCZK-415004","price":28.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_415004_Fro.jpg?v=1774734648","url":"https:\/\/www.partcatalog.com\/products\/national-415004-manual-transmission-output-shaft-seal","provider":"PartCatalog","version":"1.0","type":"link"}