The Cummins 3929108 is the genuine intake air heater grid for 1989-1998 Dodge trucks with the 5.9L 12 valve Cummins.

It warms incoming air in the intake for easier cold starts and less white smoke. Replace it if the element is burned out or if the grid has been flagged as loose or damaged.

• Genuine Cummins: Factory heater grid.
• Cold Start Aid: Warms intake air.
• 12V Only: Not for 24V or common rail.
• Direct Fit: Factory location.
• Less White Smoke: On cold starts.

Technical Specifications

• Part Number: 3929108
• Manufacturer: Cummins
• Type: Intake air heater grid

Vehicle Fitment & Technical Installation Notes

• Fitment: 1989-1998 Dodge 5.9L 12V Cummins.
• Installation Tip: Use new intake gaskets on both sides of the grid and torque the intake bolts evenly to avoid boost leaks.