FITMENT:
Compatible with Cummins diesel engines used in heavy-duty trucks equipped with SCR emission systems.
OEM reference numbers: 5WK96761, 4359309.
24V rear (downstream) NOx sensor used in exhaust aftertreatment system.
Installed after catalytic converter for NOx monitoring in SCR system.
Fitment must be confirmed by OEM part number and engine emission system configuration before installation.

FAQ:

Q1: How do I confirm compatibility?
A1: Match OEM numbers 5WK96761 or 4359309 with your original sensor and verify connector type and wiring length.

Q2: Where is this NOx sensor installed?
A2: It is installed at the rear (outlet) position after the SCR catalytic converter in the exhaust system.

Q3: Is this sensor 24V?
A3: Yes, it is designed for 24V heavy-duty diesel truck applications.

Q4: What are common failure symptoms?
A4: Engine warning light, SCR system fault, incorrect NOx readings, or reduced engine performance.

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