This Volvo copper core and brass tank radiator with a frame and oil cooler fits VN Series and Mack CXU. The core measurment is 40 1/2 x 33 7/8. For the same radiator without a frame, see Ace Part# 41271C. For similar radiator, but plastic tanks and aluminum core without a frame, see Ace Part# 41271P. Please confirm your OEM number before ordering or call or email us with any questions.