HomeIgnition > SensorsDorman 904-900 Diesel Glow Plug Controller
Part #: 904-900

Dorman 904-900 Diesel Glow Plug Controller

🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$263.60Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Diesel Glow Plug Controller for Heavy-Duty Vehicles

The Dorman 904-900 Diesel Glow Plug Controller is engineered to provide precise control and reliable operation for diesel engine glow plugs. Designed with specific terminal configurations and compact dimensions, this controller supports efficient engine starting in cold conditions for various diesel-powered vehicles.

  • Compact size: 3.25 inches length, 4.75 inches width, and 1 inch height
  • Blade terminal type ensuring secure electrical connections
  • 13 male terminals with a female connector for compatibility
  • Durable construction suitable for diesel engine applications
  • Includes one diesel glow plug controller unit

Product Details and Specifications

The Dorman 904-900 features a blade terminal type with 13 male terminals and a female connector, designed to interface seamlessly with diesel engine wiring harnesses. Its compact dimensions (3.25" L x 4.75" W x 1" H) allow for easy installation in tight engine compartments. This diesel glow plug controller regulates the electrical current to glow plugs, ensuring optimal heating during cold starts. The controller's design supports consistent performance and helps maintain engine efficiency in diesel vehicles.

Compatible Vehicles and Applications

This diesel glow plug controller is compatible with a range of diesel-powered vehicles requiring a 13-terminal blade-type controller. It is commonly used in medium to heavy-duty trucks and commercial diesel engines. For specific fitment, verify compatibility with your vehicle's make and model using the part number 904-900.

  • Improves cold start reliability in diesel engines
  • Prevents glow plug circuit failures and electrical faults
  • Helps maintain consistent engine temperature during startup
  • Reduces engine misfires related to glow plug issues
  • Supports proper glow plug timing and operation

Installation Notes and Tips

When installing the Dorman 904-900 diesel glow plug controller, ensure the blade terminals align correctly with the vehicle’s wiring harness. Verify the female connector fits securely to prevent loose connections. Due to its compact size, installation in confined engine compartments is straightforward but may require careful routing of wiring to avoid damage. Always disconnect the battery before installation to prevent electrical shorts.

Quality Assurance and Warranty

Dorman manufactures the 904-900 diesel glow plug controller to meet or exceed OEM standards for durability and performance. While specific warranty details are not provided here, Dorman products typically come with a limited warranty covering defects in materials and workmanship. Consult the product packaging or Dorman’s official resources for exact warranty terms.

BrandDorman
Part Number904-900
Length3.25
Width4.75
Terminal TypeBlade
Height1
Terminal Quantity13
Connector GenderFemale
Terminal GenderMale
Package Contents1 diesel glow plug controller

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

8980185120

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.