Fitment

Fits for:

• Caterpillar diesel engines (select SCR-equipped applications)
• Engine models: C4.4 / C7.1 / C9.3 / C13 / C15 / C18 (where equipped with SCR system)
• Off-highway trucks, loaders, and industrial machinery (select emissions systems)
• Emissions system: SCR / AdBlue system applications
• Position: Exhaust NOx sensor (inlet or outlet depending on configuration)
• OE Numbers: A2C16102600-01 / SNS3034 / 539-0117

FAQ

Q1: Is this compatible with all Caterpillar machines?
A1: No, compatibility depends on engine type, ECU calibration, and SCR system configuration.

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

Q3: Are these part numbers interchangeable?
A3: Yes, these are cross reference numbers used for the same application depending on configuration.

Q4: What does this sensor do?
A4: It monitors nitrogen oxide concentration in the exhaust to support SCR system operation.