FITMENT:
Compatible with Cummins diesel engines used in heavy-duty trucks equipped with SCR emission systems (24V platforms).
OEM reference numbers: 4359309, A1246761.
Used in diesel exhaust aftertreatment system for NOx monitoring (AdBlue/DEF SCR system).
Installed in exhaust 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 numbers 4359309 or A1246761 with your original sensor and verify connector type, wiring length, and 24V specification.

Q2: Where is this NOx sensor installed?
A2: It is installed in the SCR exhaust aftertreatment system of Cummins truck 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 Cummins engines?
A4: No, compatibility depends on engine model and emission system configuration. OEM number must be matched exactly.

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