Oil cooler is vital part of Environmentally Friendly Engine, which reduces Lubricating Oil temperature and maintains Viscosity of OilOil cooler is vital part of Environmentally Friendly Engine, which reduces Lubricating Oil temperature and maintains Viscosity of Oil.Effective Oil cooling ensures that the oils lubricating properties are maximized to Protect Diesel Engine, when under Load.Maximize Engine Performance and extend Life and Reliability, Avoids Expensive and untimely mechanical failureIncreases oil changing time thus saves the cost and protects EnvironmentIncreases Life of all moving parts.Increases in Fuel Efficiency