FITMENT:
Compatible with Mercedes-Benz commercial vehicles including buses and heavy-duty trucks such as Actros and Axor models.
OEM reference number: A0101539428.
24V NOx sensor used in SCR (Selective Catalytic Reduction) emission system for diesel exhaust monitoring.
Installed in exhaust aftertreatment system (inlet or outlet position depending on configuration).
Fitment must be confirmed by OEM part number and emission system setup before installation.

FAQ:

Q1: How do I confirm compatibility?
A1: Match OEM number A0101539428 with your original sensor and verify connector type, wiring length, and voltage specification (24V).

Q2: Where is this NOx sensor installed?
A2: It is installed in the SCR exhaust system of Mercedes-Benz Actros, Axor, and bus platforms, before or after the catalytic converter depending on setup.

Q3: What are common failure symptoms?
A3: Engine warning light, SCR/AdBlue system fault, incorrect NOx readings, or reduced engine performance.

Q4: Is this sensor suitable for buses and trucks?
A4: Yes, it is used in both Mercedes-Benz bus and heavy-duty truck applications with SCR systems.

Q5: Does replacement require programming?
A5: Some vehicles require system reset or diagnostic adaptation after installation.