Product Description
MOPAR 68188401AA AIR INTAKE HEATER GRID RELAY FOR 94-02 DODGE WITH 5.9L CUMMINS ENGINE
Restore reliable cold-weather starting performance with the genuine Mopar 68188401AA Air Intake Heater Grid Relay for 1994-2002 Dodge Ram trucks equipped with the legendary 5.9L Cummins diesel engine. This OEM relay controls power delivery to the intake heater grid system, helping improve combustion efficiency and startup performance during cold engine conditions.
A failing grid heater relay can lead to hard starts, excessive white smoke, poor cold-weather drivability, or intake heater system failure. Designed to meet factory specifications, Mopar 68188401AA provides dependable operation, proper electrical communication, and direct plug-and-play installation for Cummins-powered Dodge trucks.
Frequently Asked Questions (FAQ)
What does the intake heater grid relay do?
The relay controls electrical power to the intake heater grid, warming incoming air during cold starts to improve diesel combustion.
Is this a genuine Mopar component?
Yes — this is an OEM genuine Mopar relay designed specifically for Dodge Ram trucks with the 5.9L Cummins engine.
What are symptoms of a failing grid heater relay?
Common symptoms include hard cold starts, intake heater failure, delayed startup, white smoke on startup, or diagnostic trouble codes related to the intake heater system.
Is this a direct replacement?
Yes — Mopar 68188401AA is a direct-fit OEM replacement requiring no modifications for installation.
Fitment Details
- 1994 Dodge Ram 2500 5.9L Cummins Diesel
- 1995 Dodge Ram 2500 5.9L Cummins Diesel
- 1996 Dodge Ram 2500 5.9L Cummins Diesel
- 1997 Dodge Ram 2500 5.9L Cummins Diesel
- 1998 Dodge Ram 2500 5.9L Cummins Diesel
- 1999 Dodge Ram 2500 5.9L Cummins Diesel
- 2000 Dodge Ram 2500 5.9L Cummins Diesel
- 2001 Dodge Ram 2500 5.9L Cummins Diesel
- 2002 Dodge Ram 2500 5.9L Cummins Diesel
- 1994 Dodge Ram 3500 5.9L Cummins Diesel
- 1995 Dodge Ram 3500 5.9L Cummins Diesel
- 1996 Dodge Ram 3500 5.9L Cummins Diesel
- 1997 Dodge Ram 3500 5.9L Cummins Diesel
- 1998 Dodge Ram 3500 5.9L Cummins Diesel
- 1999 Dodge Ram 3500 5.9L Cummins Diesel
- 2000 Dodge Ram 3500 5.9L Cummins Diesel
- 2001 Dodge Ram 3500 5.9L Cummins Diesel
- 2002 Dodge Ram 3500 5.9L Cummins Diesel
- Fits 12-valve and 24-valve 5.9L Cummins applications requiring OEM heater grid relay
- Verify fitment using VIN before ordering
Specifications for Mopar 68188401AA
| Category | Details |
|---|---|
| Part Number | 68188401AA |
| Brand | Mopar (OEM) |
| Product Type | Air Intake Heater Grid Relay |
| Engine Compatibility | 5.9L Cummins Turbo Diesel |
| Vehicle Fitment | 1994-2002 Dodge Ram 2500 & Ram 3500 |
| System Application | Intake Heater Grid System |
| Installation Type | Direct OEM Replacement |
| Connector Style | Factory OEM Electrical Connection |
| UPC | Not Available |
| GTIN | Not Available |
| Shipping Weight | Approx. 2 lbs |
| Shipping Dimensions | Approx. 6" x 5" x 4" |
| Shipping | Standard ground shipping |
| Country of Origin | OEM Supplier Manufactured |
| Prop 65 | WARNING: Cancer and reproductive harm – www.P65Warnings.ca.gov |
| Condition | New |
