Walker Products 1004-1025 nitrogen oxide (nox) sensor for the 2014-2024 Kenworth T800 and other vehicles measures nitrogen oxide in the exhaust gas. It reports the reading to the engine's emissions control system.
- Sits in the exhaust at the SCR catalyst outlet, turbocharger outlet pipe position
- Sold as a single sensor, one per listing
Quick facts
- Part: Walker Products 1004-1025 nitrogen oxide (nox) sensor
- Fits: 2014-2024 Kenworth T800 and other vehicles
- Position: SCR catalyst outlet, turbocharger outlet pipe
A check-engine or emissions warning light, or an exhaust aftertreatment fault code, can mean the sensor is failing. Before you replace it, rule out damaged wiring or connectors and exhaust leaks near the sensor, since a shop scan can help tell those apart from a sensor fault.
Fits
This sensor fits a wide range of trucks and buses, including the 2014-2024 Freightliner M2 106 and the 2014-2024 Peterbilt 579 alongside the Kenworth T800. Open the "Vehicles it fits" section to check your exact model and engine.
Specifications
- Position: SCR catalyst outlet, turbocharger outlet pipe
- Quantity per application: 1
- Pieces per listing: 1
Interchange: 5WK96753B · 1954666PE · 1954666PRX · 2872947 · 2872947NX · 4326869 · 4326869RX · A034M377 · A045S164
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
5WK96753B, 1954666PE, 1954666PRX, 2872947, 2872947NX, 4326869, 4326869RX, A034M377, A045S164
Frequently Asked Questions
Is the Walker 1004-1025 NOx sensor right for the 2014-2024 Kenworth T800?
Yes. Walker Products 1004-1025 fits the 2014-2024 Kenworth T800. Open the "Vehicles it fits" section to check your exact engine.
Where does this NOx sensor go in the exhaust?
The catalog position is the SCR catalyst outlet, turbocharger outlet pipe. Walker Products 1004-1025 is a single sensor, and the fitment calls for one.
What warning signs can a failing NOx sensor give?
A check-engine light, an emissions warning or an exhaust aftertreatment fault code can be a sign of a failing NOx sensor. A shop can read the codes.
Does the Walker 1004-1025 NOx sensor replace number 4326869?
Yes. 4326869 is one of the numbers Walker Products 1004-1025 replaces, along with 2872947 and 1954666PE.
Will this NOx sensor work on a 2014-2024 Freightliner M2 106?
Yes. This sensor fits the 2014-2024 Freightliner M2 106, with a single sensor called for at the SCR catalyst outlet, turbocharger outlet pipe position.
