{"product_id":"tc-remanufacturing-b81ns-automatic-transmission-torque-converter","title":"TC Remanufacturing B81NS Automatic Transmission Torque Converter","description":"\u003ch2\u003eOverview of TC Remanufacturing B81NS Torque Converter\u003c\/h2\u003e\u003cp\u003eThe TC Remanufacturing B81NS automatic transmission torque converter is engineered for reliable performance in select Chevrolet, GMC, Hummer, and Rolls-Royce vehicles. Designed with precise specifications, this lock-up torque converter supports smooth power transfer and efficient transmission operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBolt Circle Diameter: 11.500 inches\u003c\/li\u003e\n\u003cli\u003eConverter Diameter: 13.750 inches\u003c\/li\u003e\n\u003cli\u003eLock-up Converter Type for improved efficiency\u003c\/li\u003e\n\u003cli\u003eHub Type: Milled flats with 2.050 inch hub height\u003c\/li\u003e\n\u003cli\u003eMounting Type: 6 pads for secure installation\u003c\/li\u003e\n\u003cli\u003ePilot Diameter: 1.703 inches\u003c\/li\u003e\n\u003cli\u003eSpline Count: 30 splines\u003c\/li\u003e\n\u003cli\u003eLow stall speed for optimized torque delivery\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple converter codes including 24202989 and 24210827\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Compatibility\u003c\/h2\u003e\u003cp\u003eThe B81NS torque converter from TC Remanufacturing is designed to meet the exacting standards required for automatic transmissions in heavy-duty and performance vehicles. Its 13.750-inch diameter and 11.500-inch bolt circle ensure proper fitment and balance. The lock-up feature enhances fuel efficiency by reducing slippage during highway cruising. The milled flats hub with a 2.050-inch height and 30 spline count provide a secure connection to the transmission input shaft. This torque converter is compatible with Chevrolet and GMC trucks such as the Silverado 1500 HD, Sierra 2500 HD Classic, and Suburban 2500, as well as Hummer H1 and Rolls-Royce Corniche models.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Resolution\u003c\/h2\u003e\u003cp\u003eThis torque converter is suitable for use in the following vehicles:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChevrolet Silverado 2500 HD and 3500 Classic\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 1500 HD and 3500 Classic\u003c\/li\u003e\n\u003cli\u003eHummer H1\u003c\/li\u003e\n\u003cli\u003eRolls-Royce Corniche and Park Ward\u003c\/li\u003e\n\u003cli\u003eChevrolet Express 2500 and 3500\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt addresses common transmission issues such as:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTransmission slipping or shuddering during acceleration\u003c\/li\u003e\n\u003cli\u003eOverheating caused by inefficient torque converter lock-up\u003c\/li\u003e\n\u003cli\u003eLow stall speed affecting vehicle responsiveness\u003c\/li\u003e\n\u003cli\u003eExcessive transmission fluid contamination due to converter failure\u003c\/li\u003e\n\u003cli\u003eNoise or vibration related to worn or damaged torque converters\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eProper installation of the B81NS torque converter is critical for optimal transmission performance. Ensure the torque converter is fully seated on the transmission input shaft and that the mounting pads align correctly with the flexplate. Verify the pilot diameter of 1.703 inches matches the crankshaft pilot to avoid misalignment. Use manufacturer-recommended transmission fluid and follow torque specifications for all bolts. It is advisable to inspect the flexplate and transmission seals during installation to prevent future leaks or damage.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eTC Remanufacturing provides this torque converter with a focus on durability and precision engineering. Each unit undergoes rigorous testing to meet OEM standards. While specific warranty details should be confirmed at the point of purchase, TC Remanufacturing products typically include coverage against defects in materials and workmanship to ensure long-term reliability in Chevrolet, GMC, Hummer, and Rolls-Royce applications.\u003c\/p\u003e","brand":"TC Remanufacturing","offers":[{"title":"Default Title","offer_id":43389832593589,"sku":"HKFT-B81NS","price":411.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DU_B81NS_Fro.jpg?v=1774727979","url":"https:\/\/www.partcatalog.com\/products\/tc-remanufacturing-b81ns-automatic-transmission-torque-converter","provider":"PartCatalog","version":"1.0","type":"link"}