Caterpillar, 826C, 980C, Oil Cooler, (OC-4W0649, 4W0649), Replaces Steel Folded Core w/ Aluminum. PLATE TO PLATE CAN BE 44 1/2'' OR 44"(NEED SPECIFIED) not inclluding studs, SINCE OUR UNIT IS THICKER THE FITTING NEED TO BE ANGLED OUR 45 DEGREE FOR CLEARANCE