Dorman 904-6031 nitrogen oxide (nox) sensor for the 2011-2026 Volvo VNL and other vehicles measures nitrogen oxide in the exhaust for the emissions system. It is a direct replacement for the vehicles it fits and is made for the SCR catalyst inlet.
- Application-specific design, reverse engineered from the original design
- Designed to restore nitrogen oxide detection for emissions compliance
- Supplied as one sensor with its module
- Four male blade terminals in a black oval female connector
Quick facts
- Part: Dorman 904-6031 nitrogen oxide (nox) sensor
- Fits: 2011-2026 Volvo VNL and other vehicles
- Position: SCR catalyst inlet
- Condition: New
A failing sensor can show up as an engine or emissions warning light or stored NOx fault codes. Wiring faults, a problem at the SCR catalyst or the DEF dosing system can set similar codes, so find the cause before buying a sensor. If a failed sensor is the cause, this one replaces it.
Fits
The vehicles it fits include the 2011-2026 Volvo VNL, the 2018-2026 Volvo VNR and the 2018-2026 Mack Anthem L6-10.8L or L6-12.8L and the 2019-2025 Anthem 6-11.9L. This listing is one sensor, and the fitment calls for a quantity of one. Open the "Vehicles it fits" section to check your exact model and engine.
Specifications
Fit and size
- Position: SCR catalyst inlet
- Quantity per vehicle: 1
- Terminals: 4, male, blade type
- Connector: female, oval, black
- Wire gauge: 22
Build and materials
- Condition: New
- Finish: plain
- Country of origin: China
In the box
One sensor with module. A wiring harness is not included.
Interchange: 577.96600 · NOX-VXX-002
8CL001 · 85023783 · 85029783 · 853761 · S25691 · 20958942 · 21227721 · 21302275 · 21346959 · 21479638 · 21567764 · 21636091 · 22303390
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
577.96600, 8CL001, 85023783, 85029783, 853761, NOX-VXX-002, S25691, 20958942, 21227721, 21302275, 21346959, 21479638, 21567764, 21636091, 22303390
Frequently Asked Questions
Is the Dorman 904-6031 NOx sensor right for the 2011-2026 Volvo VNL?
Yes. Dorman 904-6031 is listed for the 2011-2026 Volvo VNL, with a quantity of one per vehicle. Open the "Vehicles it fits" section to match your exact model and engine.
Does this NOx sensor come with a wiring harness?
No. The package is one sensor with its module, and the wiring harness is not included.
What connector does the Dorman 904-6031 NOx sensor use?
Dorman 904-6031 has a black, oval, female connector with four male blade terminals, and the wire is 22 gauge.
How can I tell if a NOx sensor at the SCR catalyst inlet is failing?
Signs can include an engine or emissions warning light or stored NOx fault codes. A shop can read the codes and test the sensor.
Is Dorman 904-6031 interchangeable with number 21302275?
Yes. 21302275 is one of the numbers this sensor replaces, along with 577.96600 and NOX-VXX-002 and others on the Interchange line.
