Product Overview
PACCAR 1954664PE Cummins 4326872 International 2520640C1 Outlet NOx Sensor
Replace a failed outlet NOx sensor with this OEM designed and manufactured replacement for PACCAR 1954664PE, Cummins 4326872 and International / Navistar 2520640C1. Skyline SNX005 is designed for compatible PACCAR, Cummins and International medium-duty diesel applications and installs in the outlet / downstream / post-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 SNX005 is backed by a 1-Year Unlimited Mileage Warranty.
1954664PE 4326872 2520640C1 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 |
|---|---|
| PACCAR OEM | 1954664PE, 1954664, 1954664PRX |
| Cummins OEM | 4326872, 4326872NX, 4326872RX, 4326872CUM |
| International / Navistar OEM | 2520640C1, CMI2520640C1 |
| Cummins OEM | 2872942, 2872942NX, 2872942RX, 2872942CUM |
| Cummins OEM | A045S169 |
| Continental / VDO | 5WK9 6749A |
| Continental / VDO | 5WK96749A |
| Continental / VDO | 5WK9 6749B |
| Continental / VDO | 5WK96749B |
| Continental / VDO | A2C95992000-01 |
| Continental / VDO | A2C9599200001 |
| Continental / VDO | A2C95992000 |
| Continental / VDO | A2C95993800 |
| Dorman | 904-6015 |
| Dinex | 5EL006 |
| Global Emission Systems | SENN-0005XF |
| Nernex | 20.220323 |
| FSS Emission Products | 54664-FSS |
| Skyline | SNX005 |
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.
1954664PE 4326872 2520640C1 Outlet NOx Sensor Applications
Skyline SNX005 is designed for compatible PACCAR, Cummins and International / Navistar applications using an outlet / downstream / post-SCR NOx sensor.
Compatible engine families may include:
- PACCAR PX-6 6.7L
- PACCAR PX-7 6.7L
- PACCAR PX-9 8.9L – select compatible configurations
- Cummins ISB 6.7L – compatible CM2250 EPA10 and CM2350 EPA13 applications
- Cummins B6.7 – select compatible configurations
- Cummins ISL 8.9L / ISL9 – select vocational and bus applications
Compatible Truck and Vocational Applications
Compatible applications may include select:
- Peterbilt: 325, 330, 337 and 348
- Kenworth: T170, T270, T370 and T440
- Freightliner: Business Class M2 106 and compatible Freightliner Custom Chassis applications equipped with Cummins engines
- International / Navistar: DuraStar 4300 / 4400 and early MV Series applications equipped with compatible Cummins ISB / B6.7 engines
- Blue Bird: Vision and compatible Cummins-powered bus applications
- Thomas Built Buses: Saf-T-Liner C2 / HDX with compatible Cummins engines
- Gillig: select transit and shuttle applications using compatible Cummins ISB / ISL engines
The highest-priority OEM references for this product are PACCAR 1954664PE, Cummins 4326872 and International / Navistar 2520640C1. Additional compatible Cummins references include the 2872942 family and A045S169.
1954664PE 4326872 Outlet NOx Sensor Specifications
| Product Type | Nitrogen Oxide (NOx) Sensor |
| Sensor Location | Outlet / Downstream / Post-SCR |
| Terminal Type | 4-Pin |
| Operating Voltage | 12 Volt |
| Primary OEM References | 1954664PE, 4326872, 2520640C1 |
| Additional OEM References | 2872942, 2872942NX, 2872942RX, 2872942CUM, A045S169 |
| Continental / VDO Family | 5WK9 6749A, 5WK96749A, 5WK9 6749B, 5WK96749B, A2C95992000-01, A2C9599200001, A2C95992000, A2C95993800 |
| Primary Engine Applications | PACCAR PX-6, PX-7, PX-9; Cummins ISB 6.7L, B6.7, ISL 8.9L / ISL9 |
| Emissions Applications | EPA10 / EPA13 applications — verify by OEM number and vehicle configuration |
| Manufacturing | OEM Designed & Manufactured |
| Country of Origin | Made in the USA |
| Skyline Part Number | SNX005 |
| Warranty | 1-Year Unlimited Mileage Warranty |
| California Shipping | Available for sale and shipment to California |
OEM Quality at an Aftermarket Price
Skyline SNX005 combines OEM design and manufacturing, Made in the USA construction and a 1-Year Unlimited Mileage Warranty with aftermarket pricing.
For compatible PACCAR, Cummins and International / Navistar applications requiring an outlet or downstream NOx sensor, Skyline SNX005 provides a premium replacement centered on the high-priority OEM references 1954664PE, 4326872 and 2520640C1.
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 outlet / downstream / post-SCR position before ordering.
Important Fitment Note: Match the replacement sensor to the exact OEM number, connector and outlet / downstream sensor position. Product images are for reference only.
⚠️ WARNING: This product can expose you to chemicals known to the State of California to cause cancer or reproductive harm. For more information go to www.P65Warnings.ca.gov.