1998.5-2007 Cummins 24v Grid Heater Delete View larger

1998.5-2007 Cummins 24v Grid Heater Delete


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Cummins 24v Grid Heater Delete


1998.5-2007 Dodge 24V Cummins

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The Sinister Diesel grid heater delete can drastically improve airflow in your 1998.5-2007 5.9L Cummins. A boost increase of up to 1lbs and a huge increase in overall CFM.

Most properly running Cummins can start with no heater down to 32 F. During the winter time you can easily remove your Sinister grid heater delete and reinstall the heater for the cold starting conditions.