Sonnax Allison 1000 Single Disc Torque Converter 2001-2005

Heavy-duty Sonnax single disc torque converter for the Allison 1000 transmission in Duramax diesel trucks. Rated at single disc billet for optimal power transfer from the 6.6L Duramax engine. Built with premium materials and precision-balanced for smooth, vibration-free operation under heavy towing and daily driving conditions.

Fits 2001-2005 Chevrolet Silverado and GMC Sierra 2500HD and 3500HD with Allison 1000 transmission. This converter is designed to handle the high torque output of the Duramax engine while providing efficient power transfer and reliable lockup engagement for highway fuel economy.