FITMENT:
Compatible with Scania P-Series, G-Series, and R-Series trucks equipped with SCR emission systems (Euro 4 / Euro 5, 2004–2010).

OEM reference number: 5WK97401.
Used in diesel exhaust aftertreatment system for NOx monitoring (AdBlue/DEF SCR system).
Installed in exhaust system (typically upstream or downstream of SCR catalyst depending on configuration).
Fitment must be confirmed by OEM part number and SCR system layout before installation.

FAQ:

Q1: How do I confirm compatibility?
A1: Match OEM number 5WK97401 with your original sensor and verify connector type, wiring length, and SCR system configuration for Scania P/G/R Euro 4/5 trucks.

Q2: Where is this NOx sensor installed?
A2: It is installed in the SCR exhaust aftertreatment system, either before or after the catalytic converter depending on system design.

Q3: What engines does it fit?
A3: Commonly used on Scania 5 and 6 series Euro 4/5 diesel engines from 2004–2010.

Q4: What are common failure symptoms?
A4: Engine warning light, SCR/AdBlue system fault codes, incorrect NOx readings, reduced power, or limp mode activation.

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