Engine heaters and climate-related components help ensure reliable Cummins engine starting and operation in cold environments or during extended standby periods. Block heaters and coolant heaters maintain engine temperature above a minimum threshold so the engine can start promptly when required — particularly important for standby generator applications where the engine must respond within seconds of a power failure. Anti-condensation heaters are used in generator ends to prevent moisture buildup in the stator windings during idle periods, which could otherwise lead to insulation breakdown and electrical faults.
AMS Parts supplies a wide range of heating & climate components for Cummins engines used in power generation, marine, and industrial applications. Browse a selection of available parts below, or contact us for specific requirements.
Below is a selection of heating & climate parts we supply. Use the search bar above to find a specific part number, or request a quote. You can also reach us directly at [email protected] or +44 7776 800169.
Block heaters keep the engine coolant warm during standby periods so the engine can start quickly and reach full load within the required timeframe (typically 10 seconds for emergency standby applications). Without a block heater in cold climates, the engine may crank slowly, fail to start, or experience excessive wear during cold starts.
An anti-condensation heater is a low-wattage heating element installed in the generator end housing. It keeps the internal temperature above the dew point to prevent moisture condensation on the stator windings, which could degrade insulation resistance over time.
With the heater powered on, the coolant temperature should be noticeably above ambient after several hours. Most block heaters draw a measurable current that can be verified with a clamp meter. If the coolant stays cold and no current is drawn, the heater element may have failed.
