Champion Cooling, 2 Row All Aluminum Replacement Radiator for Buick, EC3284 Lifetime Limited Warranty Core: 17 1/2 x 22 3/4; Overall: 23 3/4 x 25 1/4 Hose Locations: In-Passenger, Out-Driver; Hose Fittings: In-1 3/4, Out-1 3/4 Trans Cooler: 1/2 20 Straight Thread G1/4; Mounting Type: Saddle Mount Tank Thickness: 2 1/4; Core Thickness: 1 3/4