NOx Sensors for Cummins Engines

This page gathers the Cummins applications from the 109-entry NOx family for Cummins-powered trucks. Catalogued Cummins references include 5WK96751C (Art. OE212148), 5WK96740 (Art. OE211906) and 5WK96741B (Art. OE212211), plus the Cummins urea injector 2871878 covered on the DEF injector page for buyers repairing the dosing side at the same time. The blog article on the Cummins NOx references walks the catalogued entries for these applications.
Before ordering, note the position wording from your fault text, if it names one. Send the position wording, the engine model and the OE number from the old sensor. The catalogue data behind the Cummins entries lists title, article number and application rather than per-model construction, installation or calibration detail, so anything specific to your engine is confirmed against your OE number at inquiry and against the engine maker's service information.
Order by OE number, not by guesswork
State the position as your fault text names it, if it names one, read the OE number from its module or cable label (5WK96751C, 5WK96740 and 5WK96741B are the catalogued Cummins references), and give the engine model. Each number is confirmed against its own catalogue entry before quoting; the entries record title, Art. number and application, and what they do not record — per-model construction or calibration detail — is not invented to fill the reply. If the doser is being replaced in the same repair, say so: the Cummins DEF injector 2871878 is catalogued in the injector family and can be quoted on the same inquiry.
Fitment confirmation checklist
Include four details with your inquiry: the vehicle make and model, the engine type, the OE number from the old part, and the connector or mounting detail if it is unusual. For Cummins NOx sensor orders, the engine detail is especially useful, because the same truck model can leave the factory with different engine options and different sensor specifications. Where a catalogue entry lists applicable models, that listing is what the confirmation is based on — if your exact model is not shown, the reply will say so plainly rather than stretch the fitment. Distributors building a stock list can send a spreadsheet of OE numbers and receive a line-by-line matched or not-matched reply.
Packaging, stock and dispatch
The company's FAQ states that a single-piece NOx sample is accepted when the item is in stock, so a first Cummins order can be one boxed unit; the box itself is the buyer's choice among OEMEMBER branded, UAP branded, blue neutral and white neutral. Dispatch availability is the catalogue's — more than 100 items within 3 days, more than 2,700 within 15 days. Warranty terms are confirmed in the quotation before payment. Product certificates are available upon request. File the confirmed OE list from your first order and quote it back on any repeat order.
Frequently asked questions
Inlet or outlet — are Cummins NOx sensors interchangeable between positions?
Do not assume so. The Cummins references are catalogued as individual entries by title, article number and application, and the entry data does not establish that the two positions share one part. State the position and engine model with your inquiry so the exact catalogue entry for that position is confirmed.
Which Cummins references are catalogued?
5WK96751C, 5WK96740 and 5WK96741B are deep-checked entries. Send any other Cummins NOx number for a catalogue check.
Can I order the Cummins DEF injector at the same time?
Yes — the Cummins injector 2871878 / A028Y791 is catalogued in the injector family and can ship in the same order.
State the position wording and engine model for a catalogue match.
Send the OE number, vehicle model and engine — fitment is confirmed against the catalogue entry before any quotation. Samples and mixed-OE orders are welcome.