OE Quality
60-Day Returns

Standard Ignition NOX037 Nitrogen Oxide (NOx) Sensor Module
NOx Sensor Module for Transit Diesel Applications
Standard Ignition NOX037 is a nitrogen oxide sensor module for diesel emission control systems. It is built with a female 2-connector layout, male blade terminals, and 8; 5 terminal positions for direct replacement service on supported Ford Transit vans.
Key Features
- Nitrogen Oxide (NOx) sensor module for emission control diagnostics
- Female connector gender with 2 connectors
- Male blade terminals with 8; 5 terminal quantity
- Direct-fit replacement for Ford Transit-150, Transit-250, Transit-350, and Transit-350 HD
- Cross-reference part number: DC3Z5K202B
- Standard Ignition part number NOX037 for service identification
Detailed Description
Standard Ignition NOX037 is a replacement NOx sensor module used in diesel emission control systems to monitor nitrogen oxide levels and support engine management and aftertreatment operation. This part is listed for 2015-2019 Ford Transit-150, 2015-2019 Ford Transit-250, 2015-2019 Ford Transit-350, and 2015-2019 Ford Transit-350 HD. It cross-references DC3Z5K202B for the same application. The connector and terminal configuration should be matched carefully during service to ensure proper electrical connection and sensor communication.
What It Is Used For
- Replacing a failed NOx sensor module on Ford Transit diesel applications
- Addressing emission system fault codes related to nitrogen oxide monitoring
- Restoring accurate exhaust aftertreatment sensor input
- Correcting drivability issues triggered by emission control sensor faults
- Supporting inspection and emissions-related repair needs
Installation Notes and Tips
Verify connector gender, connector count, and terminal layout before installation. Confirm the vehicle application against the listed fitment for 2015-2019 Ford Transit-150, Transit-250, Transit-350, and Transit-350 HD. Inspect the harness and connector terminals for corrosion, bent blades, or heat damage before connecting the new module. Clear diagnostic trouble codes and confirm system operation after installation.
Quality Assurance
Standard Ignition supplies replacement emission control components for service applications, and NOX037 is cataloged to match the listed OE cross-reference for the same vehicle coverage.
| Brand | Standard Ignition |
|---|---|
| Part Number | NOX037 |
| Connector Gender | Female |
| Connector Quantity | 2 |
| Terminal Gender | Male |
| Terminal Quantity | 8; 5 |
| Terminal Type | Blade |
This part fits 20 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2019 | Ford | Transit-150 | 3.2L | L5 | DIESEL | N/A | |
| 2019 | Ford | Transit-250 | 3.2L | L5 | DIESEL | N/A | |
| 2019 | Ford | Transit-350 | 3.2L | L5 | DIESEL | N/A | |
| 2019 | Ford | Transit-350 HD | 3.2L | L5 | DIESEL | N/A | |
| 2018 | Ford | Transit-150 | 3.2L | L5 | DIESEL | N/A | |
| 2018 | Ford | Transit-250 | 3.2L | L5 | DIESEL | N/A | |
| 2018 | Ford | Transit-350 | 3.2L | L5 | DIESEL | N/A | |
| 2018 | Ford | Transit-350 HD | 3.2L | L5 | DIESEL | N/A | |
| 2017 | Ford | Transit-150 | 3.2L | L5 | DIESEL | N/A | |
| 2017 | Ford | Transit-250 | 3.2L | L5 | DIESEL | N/A | |
| 2017 | Ford | Transit-350 | 3.2L | L5 | DIESEL | N/A | |
| 2017 | Ford | Transit-350 HD | 3.2L | L5 | DIESEL | N/A | |
| 2016 | Ford | Transit-150 | 3.2L | L5 | DIESEL | N/A | |
| 2016 | Ford | Transit-250 | 3.2L | L5 | DIESEL | N/A | |
| 2016 | Ford | Transit-350 | 3.2L | L5 | DIESEL | N/A | |
| 2016 | Ford | Transit-350 HD | 3.2L | L5 | DIESEL | N/A | |
| 2015 | Ford | Transit-150 | 3.2L | L5 | DIESEL | N/A | |
| 2015 | Ford | Transit-250 | 3.2L | L5 | DIESEL | N/A | |
| 2015 | Ford | Transit-350 | 3.2L | L5 | DIESEL | N/A | |
| 2015 | Ford | Transit-350 HD | 3.2L | L5 | DIESEL | 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.