Was pulled working correctly from a 2003 silveradi 2500hd. Transmission Control Module is a direct replacement for your 01-05 Chevy Silverado/GMC Sierra LB7 LLY DURAMAX/ALLISON TCM. It is compatible with OE/OEM Part Numbers 2003 duramax tcm, 2005 duramax tcm, lly duramax tcm, 2004 duramax tcm, 2001 duramax tcm, 15768288, lb7 duramax tcm, and 2002 duramax tcm. The module is designed for front placement on your vehicle and does not require a core.

This TCM is manufactured by GMC and has part numbers 15183963, 15071240, 19381534, 29537441, 15768288, 15163073, 15065802, 15163072, 15187103,