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Mopar 68188401AA

Cummins 5.9L Intake Heater Grid Relay Dodge Ram 94-02

Mopar 68188401AA electrical relay for intake grid heater

1994 to 2002 Dodge Ram 2500 and 3500 Series trucks with the 5.9L Cummins Diesel. This Chrysler Air Intake Heater Grid Relay contains two relays and the bracket required for the operation of the Air Intake Heater.

KLM Performance offers this part as a Brand New OEM Mopar replacement heater grid intake relay for the complete repair of your poor start condition.

Mopar 68188401AA relay applications:

  • 1994 to 1998 Cummins 5.9L 12 Valve diesel engines.
  • 1998.5 to 2002 Cummins 5.9L 24 Valve diesel engines.

The Cummins 5.9L 12 valve and 24 valve diesel engines do not use glow plugs during the cold startup process. This Cummins engine is equipped with a relay that is used to activate the heater grid which is located directly between the air horn and intake manifold. The heater grid heats the incoming air during startup to ensure a quick start in cold weather.

Warning signs your Dodge 5.9L Cummins Diesel Air Intake Heater Relay needs to be replaced:

  • Longer crank times in cold weather.
  • More frequent crank periods before the engine fires.
  • Increased white smoke during cold starts.
  • A hard to start condition is present during cold weather.

The replacement of the Intake Heater Relay or Bracket on the 1998.5 to 2002 Dodge Cummins powered trucks requires only one Mopar 68188401AA relay.

The Mopar 68188401AA relay succeeds the following part numbers:

  • Mopar 56026842
  • Cummins 3924594
  • Cummins 3969987

This 68188401AA Air Intake Heater Relay is a genuine OEM Mopar part that is covered by the Mopar replacement parts warranty.

  • engine: 5.9L Cummins
  • Flow Rate:
  • Item Number: Mopar 68188401AA
  • Make: : Dodge | Ram
  • Model: 2500 | 3500
  • Year: 1994 | 1995 | 1996 | 1997 | 1998 | 1998.5 | 1999 | 2000 | 2001 | 2002
  • Manufacturer Part No: 68188401AA
  • Product Application: 1994 to 2002 Dodge Ram trucks with the 5.9L Cummins diesel.
  • Height: 6
  • Width: 6
  • Brand: Mopar
  • FAQ:
  • Part Number:
  • Manufacturer: Mopar
  • Beam Pattern:
  • Product Note: The Mopar 68188401AA Intake Heater Grid Relay supplies power to the intake heater on the 1994 to 2002 Dodge Ram 2500 and 3500 series trucks with the 5.9L Cummins. 

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