Mounting holes measure 12-3/4", center to center. Overall length is 18-1/2". Old style cooler w/ direct mount fittings. Mounting gaskets & O-Rings are sold separately orderĀ 8301774.The 735260 Engine Oil Cooler, Reman, Old Style fits equipment brands such as: Case IH, InternationalThe 735260 is a substitute for the following discontinued products: HCRP1810171C2