FITMENT:
Compatible with Cummins engines and DAF Trucks heavy-duty trucks equipped with SCR emission systems.
OEM reference numbers: 4326769, 2139930, 1928760, 1953520.
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 any of the OEM numbers (4326769, 2139930, 1928760, 1953520) with your original sensor and verify connector type and wiring length.

Q2: Where is this NOx sensor installed?
A2: It is installed in the SCR exhaust aftertreatment system of Cummins engines and DAF trucks, 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 used for both Cummins and DAF applications?
A4: Yes, it is used across compatible SCR systems in Cummins engines and DAF truck platforms depending on setup.

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