Champion Cooling, 3 Row All Aluminum Radiator for Buick Skylark, CC1649 Lifetime Limited Warranty Core: 12 3/8 x 23; Overall: 18 5/8 x 23 5/8 Hose Locations: In-Passenger, Out-Passenger; Hose Fittings: In-1 1/2, Out-1 3/4 Trans Cooler: 1/2" 20 Straight Thread, G1/4; Mounting Type: Saddle Mount Tank Thickness: 2 1/2; Core Thickness: 2 1/8