Derale 51978 19-Row Stack Plate Fluid Cooler -10AN O-Ring Female

19 Row Series 10000 Stack Plate Fluid Cooler, -10AN O-ring Female Our most efficient heat exchanger, the all aluminum 19 row Stacked Plate cooler features sturdy furnace brazed construction, full 2" deep turbulator-equipped plates and a black powder coat finish with -10AN (7/8-14) O-ring inlets and outlets. With minimal pressure drop it can be used for engine, transmission or fuel cooling. 19 Row Series 10000 Stack Plate Fluid Cooler, -10AN O-ring Female