Standard Ignition RY-441 Engine Air Intake Heater Relay

Engine Air Intake Heater Relay for Dodge Ram

Standard Ignition RY-441 is an engine air intake heater relay built for 12-volt diesel starting systems that need reliable heater control in cold-weather operation. It is a direct-fit relay solution for select Dodge Ram trucks and vans, including Ram 1500, Ram 2500, and Ram 3500 applications.

Key Features

• 12-volt engine air intake heater relay
• Male connector and male blade terminals
• 8-terminal design for the specified application
• No continuous duty rating
• No mounting bracket included
• Composite housing for harsh underhood temperatures
• Brass or copper contacts where specified for wear resistance

Product Details

Standard Ignition RY-441 is engineered as an engine air intake heater relay for fuel-injection-related starting and warm-up control. It is built with a composite housing to withstand severe underhood conditions, and the contact design uses brass or copper where specified to support long service life. Standard Ignition manufactures this relay under controlled quality processes, with TS16949 and ISO9001 certified plants supporting consistent fit and function. This part number, RY-441, is a practical replacement for diesel-equipped Dodge Ram trucks and vans that rely on intake heater relay operation during cold starts.

This part cross-references Dorman OE Solutions 904-308 for the same application.

Vehicle Fitment

• Fits 1994-2002 Dodge Ram 2500, N/A
• Fits 1994-2002 Dodge Ram 3500, N/A
• Fits 1994-2001 Dodge Ram 1500, N/A
• Fits 1999-2001 Dodge Ram 1500 Van, N/A
• Fits 1999-2001 Dodge Ram 2500 Van, N/A
• Fits 1999-2001 Dodge Ram 3500 Van, N/A

Common Repair Symptoms

• Hard starting in cold weather
• Intermittent intake heater operation
• No relay click or heater activation
• Extended crank time on diesel applications
• Faulty heater relay electrical switching

Installation Notes

Verify the connector style, 8-terminal blade layout, and 12-volt system requirements before installation. Compare the original relay to Standard Ignition RY-441 and confirm the vehicle application by year, make, and model. For Dodge Ram 1500, Ram 2500, and Ram 3500 diesel applications, inspect the related wiring and heater circuit for corrosion, heat damage, or loose terminals before replacing the relay.

Quality Assurance

Standard Ignition uses composite housings, specified metal contacts, and controlled manufacturing processes to support consistent electrical performance. TS16949 and ISO9001 certified production helps ensure the part is built to the required specification for the listed vehicles.