FITMENT
Compatible with Deere & Company diesel engines and off-highway equipment equipped with SCR (Selective Catalytic Reduction) systems requiring NOx monitoring.
Common applications include John Deere agricultural and construction machinery using reference 5WK97351 / RE575063.

FAQ
Q1: What is the function of this NOx sensor?
A1: It measures nitrogen oxide levels in exhaust gases and sends data to the engine control unit to optimize SCR/DEF dosing and emissions control.

Q2: Where is it installed?
A2: It is installed in the exhaust system, typically before or after the SCR catalyst depending on machine configuration.

Q3: What are symptoms of failure?
A3: Engine warning light, SCR/DEF system fault codes, reduced engine performance, or derated power mode.

Q4: Is it compatible with all John Deere equipment?
A4: No, compatibility depends on engine model, emissions tier (Tier 4 Final/Stage IV), and SCR system design.