Dorman - OE Solutions Engine Air Intake Heater Relay P/N:904-300
Help your truck's intake air heater get power when it's called for with this Dorman relay, part number 904-356, a direct-fit engine air intake heater relay for the 2003-2005 Dodge Ram 2500 and 2003-2005 Dodge Ram 3500. The relay is an electrically controlled switch that sends current to the intake air heater, which warms incoming air in cold conditions. See the "Vehicles it fits" section for engine details.
Signs the relay may need replacing include hard starting in cold weather or an intake heater that doesn't switch on or off as it should. Wiring, fuses, the heater itself or the engine controls can cause similar symptoms, so diagnose the circuit before replacing the relay.
Interchange: RY-1552
RY1552 · R7057 · 68188370AA · 1R1679
This part cross-references / interchanges with the following part numbers:
What does an engine air intake heater relay do?
It is an electrically controlled switch that sends power to the intake air heater, which warms incoming air to help the engine start and run in cold conditions.
Which trucks does the Dorman 904-356 relay fit?
It is a direct-fit replacement for the 2003-2005 Dodge Ram 2500 and the 2003-2005 Dodge Ram 3500. Check the "Vehicles it fits" section for engine details.
What are signs the intake heater relay may need replacing?
Hard starting in cold weather or an intake heater that won't switch on or off properly may be signs of a failed relay. Wiring, fuses or the heater can cause the same symptoms, so diagnose first.
What part numbers does Dorman 904-356 cross-reference?
It cross-references RY-1552, R7057, 68188370AA and 1R1679.
Is this relay designed to work like the original?
Yes. Dorman designed it to fit and work like the original relay on the listed trucks, and built it from quality components for reliable performance.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.