Maximize cooling in stop and go traffic…extend engine or transmission life Compact, self contained design Copper and aluminum construction for maximum heat dissipation Reversible push or pull operation Coolers feature 1/2"ID copper tubing and aluminum cooling fins. Billet-style aluminum brackets allow mounting in almost any position. Cooler ends have AN (Aircraft National) threads, except where specified. Screw-on adapters are included, except where specified, to convert threaded hose connection to barbed push on type. Amp draw: 5.3. Black powder coated. For automatic operation, order thermostat switch (ZX476786 for transmission coolers; ZX476787 for engine coolers). Mounting hardware and hoses not included. NOTE: For vehicles with Cummins diesel engine, order ZX476768 for both engine and transmission.