Dorman 904-6031 Nitrogen Oxide Sensor 11-26 Volvo VNL VNM VHD Mack MRU GU7 CXU
Confirm Fitment Before You Buy
Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price
$337.01
Select your vehicle at the top of the page to check fitment.
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Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.
This NOx sensor has been made to match the original equipment sensor on certain vehicle years, makes and models, properly restoring nitrogen oxide detection to comply with emissions regulations.
- Direct replacement - this replacement NOx sensor matches the function and performance of the original sensor on specified vehicles
- Restores performance - properly repairs nitrogen oxide detection to comply with regulations
- Application specific - reverse engineered from the original design on certain vehicle years, makes and models
- Trustworthy quality - backed by team of engineers and quality specialists in the United States
Vehicle Fitment
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2014-2016 | Mack | CHU | 600mm | |
| 2012 | Mack | CHU | 600mm | |
| 2011-2016 | Mack | CXU | 600mm | |
| 2011-2016 | Mack | GU7 | 600mm | |
| 2013-2016 | Mack | GU8 | 600mm | |
| 2011 | Mack | GU8 | 600mm | |
| 2014-2016 | Mack | LEU | 600mm | |
| 2013-2016 | Mack | MRU | 600mm | |
| 2013-2016 | Mack | TD700 | 600mm | |
| 2017-2025 | Volvo | 9700 | 600mm | |
| 2011-2014 | Volvo | 9700 | 600mm | |
| 2017 | Volvo | VAH | 600mm | |
| 2011-2015 | Volvo | VAH | 600mm | |
| 2017 | Volvo | VHD | 600mm | |
| 2011-2015 | Volvo | VHD | 600mm | |
| 2011-2017 | Volvo | VNL | 600mm | |
| 2011-2017 | Volvo | VNM | 600mm |
Please confirm the part number and your vehicle's year, make, model and engine before ordering. Questions? Message us with your VIN and we'll check fitment for you.
Specifications
| Brand | Dorman |
|---|---|
| Part Number | 904-6031 |
| UPC | 885484392199 |
| Color | Silver |
| Terminal Type | Blade |
| Terminal Quantity | 4 |
| Connector Gender | Female |
| Terminal Gender | Male |
| Finish | Plain |
| Connector Shape | Oval |
| Wiring Harness Length | 620 mm |
| Wire Gauge Measurement | 22 |
| Connector Color | Black |
| Universal Or Specific Fit | Specific |
| Package Contents | 1 Sensor With Module |
| Wire Harness Included | No |
| Country of Origin | China |
| Warranty | Limited Lifetime |
OE & Interchange Numbers
| 21227721 | Volvo (OE) |
|---|---|
| 21479638 | Volvo (OE) |
| 85029783 | Mack (OE) |
| 21567764 | Volvo (OE) |
| 21636091 | Volvo (OE) |
| 21302275 | Volvo (OE) |
| 21346959 | Volvo (OE) |
| 22303390 | Volvo (OE) |
| 85023783 | Mack (OE) |
| 20958942 | Volvo (OE) |
| S25691 | Interchange |
| 853761 | Interchange |
| 8CL001 | Interchange |
| NOX-VXX-002 | Interchange |
| 577.96600 | Interchange |