FITMENT:
Compatible with Cummins ISX and QSX 15.0L diesel engines equipped with SCR emission systems.
OEM reference numbers: 5462436RX, 4984577, 2894940RX.
Used in diesel exhaust aftertreatment system for NOx monitoring (AdBlue/DEF SCR system).
Installed in exhaust system (inlet or outlet position depending on engine 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 numbers 5462436RX, 4984577, or 2894940RX with your original sensor and verify connector type, wiring length, and engine model (ISX/QSX 15.0L).

Q2: Where is this NOx sensor installed?
A2: It is installed in the SCR exhaust aftertreatment system of Cummins ISX/QSX 15.0L engines, before or after the catalytic converter depending on configuration.

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

Q4: Is this compatible with all ISX/QSX engines?
A4: No, compatibility depends on exact engine version and emission system configuration. OEM number must be matched exactly.

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