OE Quality
60-Day Returns

Standard Ignition DEP120 Diesel Particulate Sensor
Overview of Standard Ignition Diesel Particulate Sensor DEP120
The Standard Ignition DEP120 diesel particulate sensor is designed for precise emission control in select Chevrolet and GMC diesel vehicles. Engineered with a female oval connector and a 5-wire configuration, this sensor ensures reliable communication with your vehicle's emission system.
- Connector Gender: Female
- Connector Quantity: 1
- Connector Shape: Oval
- Number of Wires: 5
- Terminal Quantity: 4
- Terminal Type: Pin
Detailed Product Description
The DEP120 diesel particulate sensor from Standard Ignition is built to meet the specific requirements of diesel emission systems in Chevrolet Express 2500, Express 3500, GMC Savana 2500, Savana 3500, Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, and Silverado 3500 HD models. Featuring a female oval connector with a single connection point, this sensor uses a 5-wire setup and 4 pin terminals to provide accurate particulate matter detection. The pin-type terminals ensure secure electrical contact, contributing to consistent sensor performance and durability under demanding operating conditions.
Compatible Vehicles and Applications
This diesel particulate sensor is compatible with the following vehicles:
- Chevrolet Express 2500 and 3500
- GMC Savana 2500 and 3500
- Chevrolet Silverado 2500 HD and 3500 HD
- GMC Sierra 2500 HD and 3500 HD
Common Issues Addressed by DEP120 Sensor
- Inaccurate diesel particulate readings causing emission system errors
- Check engine light triggered by faulty particulate sensor signals
- Reduced engine performance due to improper emission control feedback
- Failed emissions tests related to diesel particulate matter monitoring
- Sensor connector corrosion or wiring faults affecting signal transmission
Installation Notes and Tips
When installing the Standard Ignition DEP120 sensor, ensure the female oval connector aligns properly with the vehicle’s harness. Verify that all 5 wires and 4 pin terminals are securely connected to prevent signal loss. It is recommended to inspect the wiring harness for damage or corrosion before installation. Proper torque specifications should be followed to avoid sensor damage.
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM standards for fit, form, and function. The DEP120 diesel particulate sensor undergoes rigorous testing to ensure reliable operation within the emission control system. Please refer to Standard Ignition’s warranty policy for specific coverage details.
| Brand | Standard Ignition |
| Part Number | DEP120 |
| Connector Gender | Female |
| Connector Quantity | 1 |
| Connector Shape | Oval |
| Number of wires | 5 |
| Terminal Quantity | 4 |
| Terminal Type | Pin |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2016 | Chevrolet | Express 2500 | 6.6L | V8 | N/A | |
| 2016 | Chevrolet | Express 3500 | 6.6L | V8 | N/A | |
| 2016 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | |
| 2016 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | |
| 2016 | GMC | Savana 2500 | 6.6L | V8 | N/A | |
| 2016 | GMC | Savana 3500 | 6.6L | V8 | N/A | |
| 2016 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | |
| 2016 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.