Product Description

Genuine Cummins NOx Sensor Control Module, part numbers A034X847, 2894940, and 5WK96675A.
This unit is used in Cummins diesel engines to monitor and manage Nitrogen Oxide (NOx) emissions as part of the vehicle’s after-treatment system.

The module works together with the NOx sensor to provide accurate emissions data to the ECU, ensuring proper DEF dosing, reduced emissions, and compliance with emission standards.
All units are tested OEM modules, removed from fully operational vehicles or engines.

Compatibility

Fits a wide range of Cummins ISB / ISX / ISC diesel engines used in:

Heavy-duty trucks
Commercial vehicles
Construction machinery
Generator sets
Industrial applications

Part Numbers Covered

A034X847
2894940
5WK96675A
Cross-reference: 5WK9 6675A (Continental / Siemens VDO)

(Always match your NOx module part number before purchase to confirm compatibility.)

Features

Genuine Cummins OEM module
Controls NOx sensor signal and communication
Ensures accurate SCR and DEF system operation
Supports emissions compliance and engine efficiency
Durable design suitable for heavy-duty use

Condition

Used OEM module
Fully tested and working
Clean housing and connectors

Installation Notes

May require clearing fault codes after installation
For best results, installation by a diesel technician is recommended

SEO Tags / Keywords

Cummins 2894940, A034X847 NOx Module, 5WK96675A NOx Sensor Control Unit, Cummins ISX NOx Sensor, Cummins ISB Emission Module, SCR NOx Controller, OEM Cummins Diesel Parts

Key features

Genuine Cummins OEM module
Controls NOx sensor signal and communication
Ensures accurate SCR and DEF system operation
Supports emissions compliance and engine efficiency
Durable design suitable for heavy-duty use

Compatibility

Fits a wide range of Cummins ISB / ISX / ISC diesel engines used in:

Heavy-duty trucks
Commercial vehicles
Construction machinery
Generator sets
Industrial applications

Shipping, returns and warranty

Worldwide shipping with tracking
30-day returns on unused, uninstalled parts
90-day limited warranty against defects

Send us your VIN and we confirm fitment before shipping. See our shipping policy and return policy.

Cummins ISB

A034X847 Cummins NOx Sensor 2894940 Control Module 5WK96675A – Continental