FITMENT:
Compatible with Cummins Inc. diesel engines equipped with SCR emission systems (24V heavy-duty applications).

OEM reference numbers: 5WK96676A, 2894942.
Used in diesel exhaust aftertreatment system for NOx monitoring (DEF/AdBlue SCR system).
Installed in exhaust system (inlet or outlet position depending on engine configuration).
Fitment must be confirmed by OEM part number and emission system layout before installation.

FAQ:

Q1: How do I confirm compatibility?
A1: Match OEM numbers 5WK96676A or 2894942 with your original sensor and verify connector type, voltage (24V), and SCR system configuration.

Q2: Where is this NOx sensor installed?
A2: It is installed in the SCR exhaust aftertreatment system of Cummins diesel engines, either upstream or downstream depending on system design.

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

Q4: Is this compatible with all Cummins engines?
A4: No, compatibility depends on engine model and emission system configuration. OEM number must be matched exactly.

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