Product Overview
Cummins 4326870 2872944 3687930 Inlet NOx Sensor
Replace a failed Cummins inlet NOx sensor with this OEM designed and manufactured replacement for 4326870, 2872944 and 3687930. Skyline SNX001 is designed for compatible Cummins-powered Kenworth, Peterbilt, Freightliner, International and other commercial truck applications and installs in the inlet / upstream / pre-SCR position of the exhaust aftertreatment system.
Plain white box on the outside. OEM on the inside. Skyline SNX Series NOx sensors provide OEM design and manufacturing quality, Made in the USA construction and dependable fitment without the added cost of OEM-branded packaging. Skyline SNX001 is backed by a 1-Year Unlimited Mileage Warranty.
4326870 2872944 3687930 NOx Sensor Cross References
Fitment Verification: Match the OEM or manufacturer number stamped on the original NOx sensor or control module to one of the cross-reference numbers below before ordering.
| Manufacturer / Reference | Interchange Part Numbers |
|---|---|
| Cummins OEM | 4326870, 4326870NX, 4326870RX |
| Cummins OEM | 2872944, 2872944NX, 2872944RX |
| Cummins OEM | 3687930, 3687930NX, 3687930RX |
| Continental / VDO | 5WK96740 |
| Continental / VDO | 5WK96740A |
| Continental / VDO | 5WK9 6740A |
| Continental / VDO | 5WK96740B |
| Continental / VDO | 5WK9 6740B |
| Continental / VDO | A2C95990700-01 |
| Continental / VDO | A2C9599070001 |
| Continental / VDO | A2C95990700 |
| Nernex | 20.220321 |
| Dorman | 904-6009 |
| Dinex | 5EL012 |
| Global Emission Systems | SENN-0022XF |
| Automann | 577.90652 |
| Automann | 577.90656 |
| Roadwarrior | NOX-CXX-007 |
| Redline Emissions Products | S11110 |
| Redline Emissions Products | S11870 |
| Skyline | SNX001 |
Plain White Box on the Outside. OEM on the Inside.
Skyline SNX Series NOx sensors are OEM designed and manufactured by an original-equipment sensor supplier. The sensor is engineered to provide the fit, construction and application-specific performance expected from an original-equipment replacement.
Plain white box on the outside. OEM on the inside.
Instead of paying extra for OEM-branded packaging, you receive OEM-quality design and manufacturing in Skyline packaging, providing OEM quality at an aftermarket price.
4326870 Cummins Inlet NOx Sensor Applications
Skyline SNX001 is designed for compatible Cummins diesel applications using an inlet / upstream NOx sensor before the SCR catalyst.
Compatible engine applications may include:
- Cummins ISX
- Cummins ISX15
- Other compatible Cummins heavy-duty diesel platforms using OEM 4326870, 2872944 or 3687930
Compatible Commercial Truck Applications
Compatible Cummins-powered commercial truck applications may include select:
- Kenworth trucks equipped with compatible Cummins engines
- Peterbilt trucks equipped with compatible Cummins engines
- Freightliner trucks equipped with compatible Cummins engines
- International trucks equipped with compatible Cummins engines
- Other commercial vehicles using the matching Cummins aftertreatment system
The primary OEM reference for this product is 4326870, with additional OEM families including 2872944 and 3687930. Truck model, engine, model year and emissions configuration can vary, so always verify the original stamped OEM number and sensor position before ordering.
4326870 Cummins Inlet NOx Sensor Specifications
| Product Type | Nitrogen Oxide (NOx) Sensor |
| Sensor Location | Inlet / Upstream / Pre-SCR |
| Operating Voltage | 12 Volt |
| Terminal Type | 4-Pin |
| Primary OEM Reference | 4326870 |
| Additional OEM References | 2872944, 3687930 |
| Continental / VDO Family | 5WK96740, 5WK96740A, 5WK9 6740A, 5WK96740B, 5WK9 6740B, A2C95990700-01, A2C9599070001, A2C95990700 |
| Emissions Application | EPA10 applications — verify by OEM number and vehicle configuration |
| Cable Length | 792.99 mm / 31.22 in. |
| Module Dimensions | 185.00 × 65.02 × 41.40 mm / 7.28 × 2.56 × 1.63 in. |
| Net Weight | 0.39 kg / 0.85 lb. |
| Manufacturing | OEM Designed & Manufactured |
| Country of Origin | Made in the USA |
| Skyline Part Number | SNX001 |
| Warranty | 1-Year Unlimited Mileage Warranty |
| California Shipping | Available for sale and shipment to California |
OEM Quality at an Aftermarket Price
Skyline SNX001 combines OEM design and manufacturing, Made in the USA construction and a 1-Year Unlimited Mileage Warranty with aftermarket pricing.
For compatible Cummins-powered applications requiring an inlet or upstream NOx sensor, Skyline SNX001 provides a premium replacement centered on the high-priority OEM references 4326870, 2872944 and 3687930.
Fitment Verification
NOx sensors can vary by engine, vehicle configuration, model year, emissions system, sensor position, connector, harness length and control-module calibration. Multiple NOx sensors may be installed on the same vehicle. Always verify the exact OEM number stamped on the original sensor, the 4-pin connector, and the inlet / upstream position before ordering.
Important Fitment Note: Match the replacement sensor to the exact OEM number, connector and inlet / upstream sensor position. Product images are for reference only.
⚠️ 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.