Dorman 904-413 diesel glow plug controller for the 2001-2004 Chevrolet Silverado 2500 HD and other vehicles switches power to the glow plugs that warm the engine for cold starts. It is also known as a glow plug relay.
- Designed to return the glow plug power system to original operation
- Four male blade terminals
- Replaces a glow plug controller that has failed from fatigue
Quick facts
- Part: Dorman 904-413 diesel glow plug controller
- Fits: 2001-2004 Chevrolet Silverado 2500 HD and other vehicles
- Condition: New
Hard starts in cold weather can have several sources, among them a failed glow plug controller, worn glow plugs or damaged wiring. Before you replace the controller, rule out the glow plugs and their wiring as the cause. The engine takes one controller.
Fits
It is a direct replacement for the original part on the 2001-2004 Chevrolet Silverado 3500 and the 2001-2004 GMC Sierra 2500 HD, along with many other Chevrolet and GMC trucks. If your truck is not named here, look it up by year and model in the "Vehicles it fits" section.
Specifications
Fit and size
- Quantity per vehicle: 1
- Terminal quantity: 4
- Length: 5.5 in
- Height: 3.1 in
- Width: 3.7 in
Build and materials
- Terminal type: blade, male
- Connector gender: male
- Condition: New
- Country of origin: China
In the box
One diesel glow plug controller.
Interchange: RY-585
R6125 · 97225608 · V108310116 · 1R1390
This part cross-references / interchanges with the following part numbers:
R6125, 97225608, RY-585, V108310116, 1R1390
Frequently Asked Questions
Is the Dorman 904-413 glow plug controller right for a 2001-2004 Chevrolet Silverado 3500?
Yes. Dorman 904-413 is a direct replacement for the 2001-2004 Chevrolet Silverado 3500, and the "Vehicles it fits" section shows the other trucks it covers.
Does the Dorman 904-413 come with glow plugs?
No. The Dorman 904-413 package holds one diesel glow plug controller, and glow plugs are sold separately.
How many terminals does this glow plug controller have?
It has four terminals, and they are male blade terminals. The connector is male as well.
Can a worn diesel glow plug controller make the engine hard to start in cold weather?
Yes, it can. Glow plugs are essential to cold-weather starts and this controller powers them, so a shop can test the circuit to find the fault.
Does Dorman 904-413 replace part number 97225608?
Yes. 97225608 is among the numbers Dorman 904-413 replaces, and the Interchange line on the page lists the others.
