Fitment:
Compatible with Cummins diesel engines used in heavy-duty trucks and commercial vehicles.
OEM reference numbers: 4326867, 5WK96754C.
Designed for outlet (downstream) NOx sensor position in SCR emission control system.
24V exhaust aftertreatment sensor used for NOx monitoring after catalytic converter.
Fitment must be confirmed by engine serial number and OEM part number before installation.

FAQ:

Q1: How do I confirm compatibility?
A1: Match OEM numbers 4326867 or 5WK96754C with your original sensor and verify connector type and wiring length.

Q2: Where is this NOx sensor installed?
A2: It is installed at the outlet position after the SCR catalyst in the exhaust system.

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

Q4: Is this an inlet or outlet sensor?
A4: This part is designed for the outlet (downstream) position.

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