Champion Cooling, 3 Row All Aluminum Replacement Radiator for GM Truck, CC716 Lifetime Limited Warranty Core: 19 x 28 1/4; Overall: 20 1/4 x 33 1/4 Hose Locations: In-Driver, Out-Passenger; Hose Fittings: In-1 1/2, Out-1 1/2 Trans Cooler: 1/2" 20 Straight Thread G1/4; Mounting Type: Saddle Mount Tank Thickness: 3; Core Thickness: 2 1/2