Df137 Renault -

1. Overview The DF137 is a 1.6-liter, 4-cylinder, turbocharged diesel engine developed by the Renault-Nissan Alliance. It is part of the R9M engine family. It replaced the older 1.9 dCi and 2.0 dCI engines, offering better fuel efficiency, lower CO2 emissions, and improved torque delivery.