Fitment: 1998 GMC K2500 1996-1998 GMC C2500 1996-1998 GMC C1500 1996-1998 GMC K1500 1996-1998 Chevrolet C2500 1996-1998 Chevrolet C1500 1996-1998 Chevrolet K1500 1996-1998 Chevrolet K2500 Features & Specifications: Built with high density multi-lowered fins for maximum cooling efficiency Every radiator is subjected to an aging and endurance test in order to validate its performance under extreme weather conditions ISO 9001 certified manufacturing plants Lightweight Direct Bolt-On OEM Fitment or Replacement Built to strict quality control standards Direct Replacement, easy for installing 100% Leak Tested .