{"product_id":"national-710078-automatic-transmission-torque-converter-seal","title":"National 710078 Automatic Transmission Torque Converter Seal","description":"\u003ch2\u003eOverview of National 710078 Automatic Transmission Torque Converter Seal\u003c\/h2\u003e\u003cp\u003eThe National 710078 automatic transmission torque converter seal is engineered to provide reliable sealing performance for select Chevrolet, Geo, Isuzu, and Pontiac vehicles. Designed with precision dimensions and durable fluoro-elastomer material, this oil seal helps maintain transmission fluid integrity and prevents leaks.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside diameter: 1.772 inches (45.000 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 2.447 inches (62.150 mm)\u003c\/li\u003e\n\u003cli\u003eThickness\/width: 0.315 inches (8.000 mm)\u003c\/li\u003e\n\u003cli\u003eMaterial: Fluoro-elastomer for enhanced chemical and temperature resistance\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet I-Mark, Geo Spectrum, Isuzu Stylus, Pontiac Sunburst, and Pontiac Storm models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description and Specifications\u003c\/h2\u003e\u003cp\u003eThis National 710078 torque converter seal is part of the 710000 series and is specifically designed to fit the housing bore diameter of approximately 2.441 inches (62.000 mm). The seal’s fluoro-elastomer construction offers excellent resistance to transmission fluids, heat, and wear, ensuring a tight seal around the torque converter shaft. With an inside diameter of 1.772 inches (45.000 mm) and an outside diameter of 2.447 inches (62.150 mm), this seal matches the precise dimensions required for proper fitment in the automatic transmissions of Chevrolet I-Mark, Geo Spectrum, Isuzu Stylus, Pontiac Sunburst, and Pontiac Storm vehicles. The 0.315 inch (8.000 mm) thickness provides durability and maintains sealing integrity under operating conditions.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents automatic transmission fluid leaks around the torque converter\u003c\/li\u003e\n\u003cli\u003eMaintains proper hydraulic pressure within the transmission system\u003c\/li\u003e\n\u003cli\u003eReduces risk of contamination entering the transmission housing\u003c\/li\u003e\n\u003cli\u003eHelps avoid premature transmission wear caused by fluid loss\u003c\/li\u003e\n\u003cli\u003eAddresses issues related to worn or damaged torque converter seals in Chevrolet, Geo, Isuzu, and Pontiac models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the transmission housing bore is clean and free of debris before installation\u003c\/li\u003e\n\u003cli\u003eVerify the shaft diameter matches the 1.772 inch (45.000 mm) specification for proper sealing\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools to avoid damaging the fluoro-elastomer seal during installation\u003c\/li\u003e\n\u003cli\u003eLubricate the seal lightly with transmission fluid to ease installation and prevent damage\u003c\/li\u003e\n\u003cli\u003eCheck for proper seating and alignment to avoid leaks and premature failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eNational’s 710078 torque converter seal is manufactured to meet industry standards for durability and performance. The fluoro-elastomer material ensures resistance to heat and chemical degradation commonly encountered in automatic transmissions. This part is backed by National’s quality control processes, providing confidence in fitment and function for Chevrolet I-Mark, Geo Spectrum, Isuzu Stylus, Pontiac Sunburst, and Pontiac Storm vehicles. Warranty coverage details should be confirmed with the original equipment manufacturer or distributor.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43448333107381,"sku":"BCZK-710078","price":30.18,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_710078_Fro.jpg?v=1774734717","url":"https:\/\/www.partcatalog.com\/products\/national-710078-automatic-transmission-torque-converter-seal","provider":"PartCatalog","version":"1.0","type":"link"}