Fitment:
Compatible with Cummins diesel engines used in heavy-duty trucks and commercial vehicles.
OEM reference numbers: 5WK96675A, 2894940.
Also referenced as NOx / Lambda sensor used in SCR (Selective Catalytic Reduction) emission control system.
Installed in exhaust aftertreatment system for NOx monitoring (inlet or outlet position depending on engine configuration).
Fitment must be confirmed by OEM part number and engine serial number before installation.

FAQ:

Q1: How do I confirm compatibility?
A1: Match OEM numbers 5WK96675A or 2894940 with your original sensor and verify connector type and SCR system configuration.

Q2: Where is this NOx sensor installed?
A2: It is installed in the exhaust aftertreatment system of Cummins diesel engines, typically before or after the SCR catalyst.

Q3: What are common failure symptoms?
A3: Engine warning light, SCR/DEF system fault, incorrect NOx readings, or reduced engine performance.

Q4: Is this compatible with all Cummins engines?
A4: It fits many ISB / ISX / ISC engine applications, but confirmation by engine serial number is required.

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