Monitor Products, Inc. specializes in Marine Engine Cooling in the heat transfer industry since our beginning in 1979. We manufacture Heat Exchangers, Oil Coolers, Power Steering Coolers, and Fresh Water Cooling Kits. We also manufacture heat exchangers for Non-Marine applications and custom design heat exchangers to fit your requirements. Our heat exchanger designs have been time-tested and proven in some of the most challenging conditions. We offer repair services for most 2' to 6' Shell and Tube type heat exchangers.