OEM Mopar 68188370AA, 2003 to 2005 Dodge Ram 5.9L Cummins Diesel Air Intake Heater Grid Relays, were offered as a Pair of Two Relays.
NOTE: The Mopar 68188370AA 5.9L Cummins Intake Heater Grid Relay Pair is currently NO LONGER AVAILBLE FOR SALE FROM STELLANTIS! This part has been discontinued and is no longer available for sale from Mopar. This part is essential to your Cummins 5.9L engine, providing reliability and efficiency when performing a cold start.
KLM Performance offers these Mopar 68188370AA Dodge Ram Air Intake Relays as a Pair of replacement heater grid intake relays. Dead relays can result in a poor start condition on your diesel engine or a no-start condition on your engine.
Mopar 68188370AA Electrical Relay Pair applications:
- 2003 to 2005 Dodge Ram 2500 diesel engines.
- 2003 to 2005 Dodge Ram 3500 diesel engines.
The Cummins 5.9L diesel does not use glow plugs during the startup process. This Cummins 5.9L engine is equipped with two relays that are 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 the startup process to ensure a quick start in cold weather.
Warning signs your Mopar 68188370AA Dodge 5.9L Cummins Diesel Air Intake Heater Grid Relay needs replacement:
- Engine starting requires longer crank times in cold weather.
- More frequent crank periods before the engine fires.
- Increased white smoke during cold starts.
- You are experiencing a hard-to-start condition present during cold weather.
The replacement of the Intake Heater Relays on the 2003 to 2005 Dodge 5.9L Cummins requires two Mopar 68188370AA relays. Please ensure you understand that this KLM Performance product offering contains two electrical relays.
The Mopar 68188370AA supersedes the following part numbers:
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Mopar 5086631AA
Cummins 5.9L Intake Heater Grid Relay Pair for the 2003 to 2005 Dodge Ram 5.9L Cummins contains:
- Two of the required Mopar 5086631AA Electrical Heater Grid Relays
This pair of heater grid relays is a genuine OEM Mopar part 68188370AA and is backed by the Mopar replacement parts ' Two-year warranty.
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by KLM Performance
- Engine : 5.9L Cummins
- Item Number: Mopar 68188370AA
- Make: Dodge | Ram
- Model: 2500 | 3500
- Year : 2003 | 2004 | 2004.5 | 2005
- Manufacturer Part No: Mopar 68188370AA
- Product Application: 2003 to 2005 Dodge Ram 3500 and 3500 series trucks with 5.9L Cummins diesel engines.
- Height: 6
- Width: 6
- Brand: Mopar
- FAQ: What is included in this Heater Grid Relay Kit? KLM Performance will provide you with a pair/two of the OEM Mopar 68188370AA relays for this repair.
- Part Number: 68188370AA
- Manufacturer: Mopar
- Product Note: KLM Performance offers this pair of Two OEM Mopar 68188370AA relays for your 5.9L Cummins to restore the truck's ability to start when temperatures drop rapidly.