{"product_id":"national-470380v-automatic-transmission-output-shaft-seal","title":"National 470380V Automatic Transmission Output Shaft Seal","description":"\u003ch2\u003eOverview of National 470380V Automatic Transmission Output Shaft Seal\u003c\/h2\u003e\u003cp\u003eThe National 470380V automatic transmission output shaft seal is engineered for reliable sealing performance in Cadillac Eldorado and Oldsmobile Toronado models. Designed with precision dimensions and durable fluoro-elastomer material, this oil seal helps maintain transmission integrity by preventing fluid leaks.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside diameter: 1.500 inches (38.100 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 2.378 inches (60.400 mm)\u003c\/li\u003e\n\u003cli\u003eThickness\/width: 0.312 inches (7.920 mm)\u003c\/li\u003e\n\u003cli\u003eHousing bore: 2.375 inches (60.330 mm)\u003c\/li\u003e\n\u003cli\u003eMaterial: Fluoro-elastomer for enhanced chemical and heat resistance\u003c\/li\u003e\n\u003cli\u003eRedicoat surface treatment for improved durability\u003c\/li\u003e\n\u003cli\u003ePart number: 470380V, Series 470000\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis National automatic transmission output shaft seal (part number 470380V) is specifically designed to fit the output shaft of transmissions in Cadillac Eldorado and Oldsmobile Toronado vehicles. The seal features a 1.500-inch inside diameter and a 2.378-inch outside diameter, matching the shaft and housing bore dimensions precisely to ensure a tight, leak-free fit. Constructed from fluoro-elastomer, the seal offers resistance to transmission fluids, heat, and wear, which is critical for maintaining transmission performance over time. The Redicoat treatment further enhances the seal’s longevity by providing additional surface protection against corrosion and abrasion.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents automatic transmission fluid leaks at the output shaft\u003c\/li\u003e\n\u003cli\u003eReduces risk of transmission contamination and damage\u003c\/li\u003e\n\u003cli\u003eHelps maintain proper transmission pressure and function\u003c\/li\u003e\n\u003cli\u003eAddresses wear-related seal failures in Cadillac Eldorado and Oldsmobile Toronado models\u003c\/li\u003e\n\u003cli\u003eReplaces worn or damaged output shaft seals to restore transmission reliability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the shaft and housing bore are clean and free of debris before installation\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools to avoid damaging the seal during installation\u003c\/li\u003e\n\u003cli\u003eVerify correct orientation of the seal lip to maintain proper sealing\u003c\/li\u003e\n\u003cli\u003eCheck shaft and bore dimensions to confirm compatibility with part number 470380V\u003c\/li\u003e\n\u003cli\u003eConsult vehicle service manual for torque specifications and installation procedures\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational transmission seals are manufactured to meet OEM specifications for fit and function. The 470380V output shaft seal undergoes rigorous quality control to ensure dimensional accuracy and material integrity. This product includes a limited warranty against defects in materials and workmanship, providing confidence in its durability and performance for Cadillac Eldorado and Oldsmobile Toronado applications.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43448298864821,"sku":"BCZK-470380V","price":18.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_470380V_Fro.jpg?v=1774734655","url":"https:\/\/www.partcatalog.com\/products\/national-470380v-automatic-transmission-output-shaft-seal","provider":"PartCatalog","version":"1.0","type":"link"}