Product Overview
Replace your Cummins 4326870, 4326870NX, 4326870RX, 2872944, 3687930, or Continental 5WK9 6740B with this Skyline SNX001 NOx sensor. This direct-fit nitrogen oxide sensor is engineered for Cummins and Paccar diesel SCR aftertreatment systems where one of these OEM cross-reference numbers appears on the original sensor or dealer quote
Skyline SNX series units are OE manufactured sensors—arriving in a plain white box on the outside but containing Original Equipment on the inside—designed to meet or exceed factory durability standards. This inlet, upstream NOx sensor is designed to help restore SCR efficiency, support accurate emissions system operation, and prevent engine derate conditions on Kenworth, Peterbilt, and other Cummins-powered platforms
Replacement Part Numbers
This Skyline SNX001 NOx sensor may be used as a replacement for the following OEM and aftermarket part numbers:
| Manufacturer | Part Number(s) |
|---|---|
| Primary Reference | 4326870, 4326870NX, 4326870RX |
| Cummins / Paccar | 2872944, 2872944NX, 2872944RX |
| Cummins / Paccar | 3687930, 3687930NX, 3687930RX |
| Skyline | SNX001 |
| Dinex | 5EL012 |
| GESi | SENN-0022XF |
| Continental / VDO | 5WK96740A, 5WK9 6740B |
Technical Specifications
Inlet / Upstream
12V
4-Pin Flat Plug
Free Shipping & No Core Charge
There is no core charge or core return required for this product
Standard free shipping within the continental United States is included on this NOx sensor. All orders placed by 2:00 PM EST ship the same business day from several regional distribution centers. Additional shipping options, including overnight shipping, are available at checkout. We also sell sensors locally, which could affect real-time stock levels. If there is an availability issue with your order, we will notify you immediately
Important Fitment Note: NOx sensors can vary by engine, emissions configuration, and sensor location. Aftermarket cable lengths and harness configurations may vary slightly from the OEM part but are engineered for fitment. Always match this replacement sensor to the part number on your existing sensor or confirm compatibility using your VIN, engine serial number, dealer quote, or service records before ordering. Pictures are for reference only
Notice: This product is EPA compliant but is NOT for sale in California and cannot be shipped to a California address
California Proposition 65 Notice: WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer or reproductive harm. For more information go to www.P65Warnings.ca.gov