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Restore smooth shifting and reliable transmission performance with this genuine Allison Transmission Control Module (TCM), specifically designed for 2001–2005 Chevrolet Silverado 3500 trucks equipped with the 6.6L Duramax diesel engine. This unit comes pre-programmed to your vehicle’s VIN, ensuring a quick, plug-and-play installation with no additional programming required.
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Benefits of VIN-Programmed TCM:
Replace your faulty TCM with this VIN-programmed unit to restore optimal transmission performance, smooth shifting, and dependable operation