Product Overview
Cummins 2894940, 2871979, 4984577 Inlet NOx Sensor
Restore SCR emissions-system performance with this premium Dinex 2nd Generation aftermarket Nitrogen Oxide (NOx) sensor. Dinex 22033 is designed as a direct-fit inlet / upstream / pre-SCR NOx sensor replacement for the high-priority Cummins OEM numbers 2894940, 2871979, and 4984577. Additional compatible Cummins and PACCAR / DAF references include 4954222 and 1705520PE, along with the exact service-number variations listed below. Designed for compatible 24-volt EPA10 applications, Dinex 22033 is backed by an industry-leading 2-Year Unlimited Mileage Warranty.
2894940, 2871979, 4984577, 4954222 and 1705520PE NOx Sensor Cross References
How to Verify Your Unit: Match the Cummins, PACCAR / DAF, Continental/VDO, Dinex, or aftermarket number on the original NOx sensor or control module to one of the cross-reference numbers listed below before ordering.
| Manufacturer / Reference | Interchange Part Numbers |
|---|---|
| Cummins 2894940 | 2894940, 2894940NX, 2894940RX |
| Cummins 2871979 | 2871979, 2871979NX, 2871979RX |
| Cummins 4984577 | 4984577, 4984577NX, 4984577RX |
| Cummins 4954222 | 4954222, 4954222NX, 4954222RX |
| PACCAR / DAF 1705520 Family | 1705520, 1705520PE, 1705520PEX |
| PACCAR / DAF | 1702178, 1703687, 1705572, 1705572R, 1721270 |
| Continental / VDO | 5WK96675A, 5WK9 6675A |
| Dinex | 22033 |
| FSS Emission Products | 94940-FSS |
| Skyline | ANX011 |
| Dorman | 904-6016 |
| Automann | 577.90859 |
Compatible Cummins, PACCAR and Truck Applications
Dinex 22033 is designed for applicable EPA10 commercial vehicles and equipment using the matching 2894940 / 2871979 / 4984577 / 4954222 NOx sensor family. The family is found across Cummins-powered North American applications as well as PACCAR / DAF applications using the corresponding 170-series references.
- Cummins ISB: Applicable 6.7L EPA10 configurations
- Freightliner: Applicable Cummins-powered configurations where the stamped OEM sensor number matches
- International: Applicable Cummins-powered configurations
- Kenworth: Applicable Cummins / PACCAR-powered configurations
- Thomas Built: Applicable Cummins ISB-powered bus applications
- Blue Bird: Applicable Cummins-powered bus applications
- Autocar: Applicable Cummins-powered configurations
- Gillig: Applicable Cummins-powered transit applications
- Capacity: Applicable Cummins-powered vocational applications
- Sterling: Select compatible Cummins-powered applications
- DAF / PACCAR: CF F7, XF E6 and XF F7 applications where the corresponding OEM number matches
- Sensor Position: Inlet / upstream / pre-SCR per current Dinex catalog identification
- Electrical System: 24 Volt
- Emissions Standard: EPA10
Fitment Verification: NOx sensor applications can vary by engine family, vehicle configuration, model year, emissions system, sensor position, voltage, connector type, cable length, and software calibration. Some aftermarket catalogs describe the 2894940 family with different sensor-position terminology. Always verify compatibility using the exact OEM number stamped on the original sensor or control module, vehicle identification number (VIN), Cummins engine serial number (ESN), or official service information before ordering.
Dinex 2nd Generation NOx Sensor Specifications
| Product Type | Nitrogen Oxide (NOx) Sensor |
| Dinex Part Number | 22033 |
| Primary OEM Number | 2894940 |
| Sensor Technology | Dinex 2nd Generation |
| Sensor Position | Inlet / Upstream / Pre-SCR |
| Voltage | 24V |
| Exhaust Emission Norm | EPA10 |
| Length | 1134.11 mm (44.65 inches) |
| Width | 65.02 mm (2.56 inches) |
| Height | 41.40 mm (1.63 inches) |
| Net Weight | 0.39 kg (0.86 lb) |
| Warranty | Industry-Leading 2-Year Unlimited Mileage Warranty |
Important Fitment Note: NOx sensors can vary by engine family, vehicle configuration, model year, emissions system, sensor position, voltage, connector type, cable length, and software calibration. Always match the replacement sensor to the exact OEM number stamped on the original sensor or control module, or verify compatibility using the VIN, Cummins engine serial number, or official service information before purchasing. Product images and technical drawings are for reference only.
California Proposition 65 Warning: WARNING: This product can expose you to chemicals known to the State of California to cause cancer or reproductive harm. For more information, visit www.P65Warnings.ca.gov.
