Cummins Onan Cold Weather Starting Kit for RS20A/AC
80W, 120V thermostatically controlled (40F on, 60F off) engine oil heater and alternator dryer kit. Warms engine oil and prevents alternator condensation/frost for reliable cold weather starting to 0 F. Requires external power source connected to heater. Includes harness with engine oil heater, alternator dryer and built-in thermostat and instruction sheet.
RS20A/AC (GSBB) only