[Vehicle Fitment]: Compatible with Chevrolet Express 2500/Express 3500 2006-2016, Express 4500 2009-2016, Silverado 2500 HD 2006-2016, Silverado 3500 HD 2007-2016, Silverado 2500 HD Classic/Silverado 3500 Classic 2007; Compatible with GMC Savana 2500/Savana 3500/Sierra 2500 HD 2006-2016, Savana 4500 2009-2016, Sierra 3500 HD 2007-2016, Sierra 2500 HD Classic/Sierra 3500 Classic 2007, Sierra 3500 2006---V8 6.6L, Turbo Diesel Only. [Reference Number]: 97372515, 98031233, 38031233, AW6053, 130-2030. [Specifications]: Housing Material: Aluminum; Impeller Vane Quantity: 7; Impeller Material: Composite; Impeller Rotation: Reverse; Hub Hole Quantity: Same As Original Mounting Hole Quantity: 3 Drive Type: Gear. [Benefits]: Manufactured and tested to the most exacting standards for superior performance. The coolant is pressurized to ensure that it continues to circulate through the cooling system to remove heat so that the engine can run safely..
