Weller Truck Parts remanufactured T14A Transmission Control Module (TCM) for GM trucks with LBZ or LMM Duramax engine and Allison 1000 6 speed transmission. Reman in the USA! Price includes programming to the vehicle's VIN with the latest calibration version. When ordering please give the VIN to the sales associate. T14 and T14A TCMs ship out of Grand Rapids, Michigan and usually ship within 24 business day hours of the order and VIN being received. This TCM was used in the following applications: 2006-2008 Chevrolet Silverado 2500 HD 6.6L DSL 2006 Chevrolet Silverado 3500 6.6L DSL 2006 Chevrolet Silverado 3500 8.1L GAS 2007 Chevrolet Silverado 3500 HD Classic 8.1L GAS 2007-2008 Chevrolet Silverado 3500 HD 6.6L DSL 2006-2008 GMC Sierra 2500 HD 6.6L DSL 2006 GMC Sierra 3500 6.6L DSL 2006 GMC Sierra 3500 8.1L GAS 2007 GMC Sierra 3500 HD Classic 8.1L GAS 2007-2008 GMC Sierra 3500 HD 6.6L DSL Common interchange part numbers: 15117030, 15827760, 19431597, 19435615, 24043956, 24252363, 24256864, 25798264, 25978353, 25982143, 29544772, 29545321, 29546675, 94666310, 94670406, 609-200, 7380422F