Fitment

Fits for:

• John Deere diesel engines (select SCR-equipped applications)
• Caterpillar diesel engines (select SCR-equipped applications)
• Engine: Diesel emissions SCR / AdBlue system applications
• Position: Exhaust NOx sensor (inlet or outlet depending on configuration)
• OE Numbers: 5WK97221 / 5801794943

FAQ

Q1: Is this compatible with both John Deere and Caterpillar equipment?
A1: Yes, it is used in specific SCR diesel applications across both brands depending on engine configuration.

Q2: Where is it installed?
A2: It is installed in the exhaust system to measure nitrogen oxide levels.

Q3: Are both part numbers interchangeable?
A3: Yes, 5WK97221 and 5801794943 are cross reference numbers for the same application.

Q4: What does this sensor monitor?
A4: It monitors nitrogen oxide levels in the exhaust for emissions system control.