FITMENT:
Compatible with Volvo Trucks diesel engines D11, D13, D16 and Mack Trucks diesel applications equipped with SCR emission systems.
OEM reference number: 22303391.
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 number 22303391 with your original sensor and verify connector type, voltage specification, and wiring length.

Q2: Where is this NOx sensor installed?
A2: It is installed in the SCR exhaust aftertreatment system of Volvo and Mack diesel 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 both Volvo and Mack engines?
A4: Yes, it is used across compatible SCR-equipped Volvo D-series engines and Mack diesel platforms depending on configuration.

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