06 07 CHEVROLET GMC SIERRA SILVERADO 2500HD 3500 ALLISON 6SP AUTO TRANSMISSION

Get heavy-duty performance with this Allison 1000 6-speed automatic transmission, pulled from a 2006-2007 Duramax diesel truck. This legendary transmission is renowned for its bulletproof reliability and massive towing capacity. It includes the torque converter and bell housing, making it ideal for replacing a blown transmission in your work truck or for a high-power diesel swap project. Thoroughly inspected for fluid condition and structural integrity.