OEM Replacement for the Stock Unit High Quality Full T-6061 Aluminum Construction Core Tank Made of Reinforced Heat and Wearing Resisting PVC Material Lightweight Direct Bolt-On OEM Fitment or Replacement Improves Cooling Efficiency Core Height (IN) : 30 1/2 Core Width (IN) : 17 1/4 Core Thickness (IN) : 1 1/4 Inlet Diameter (IN) : 1 5/16 Outlet Diameter (IN) : 1 9/16 Down Flow Or Cross Flow Type : Crossflow Compatible with: 1992-1993 Chevrolet G10 1992-1993 Chevrolet G20 1992-1993 Chevrolet G30 1992-1993 GMC G1500 1992-1993 GMC G2500 1992-1993 GMC G3500 Fits 4.3L, 5.0L, 5.7L w/ Engine Oil Cooler; w/ 30-1/2" Core .