Cummins Nitrogen Oxide Sensor 5491423 – Accurate NOx Monitoring for Emissions Control
The Cummins Nitrogen Oxide Sensor 5491423 plays a vital role in managing exhaust emissions by accurately measuring NOx levels in the exhaust stream. As part of the advanced aftertreatment system, this Cummins genuine part helps maintain compliance with emissions regulations while supporting efficient engine operation. Designed for durability and precision, it integrates seamlessly with other Cummins parts for reliable performance.
🔩 Specifications
- Part Name: Nitrogen Oxide (NOx) Sensor
- Part Number: 5491423
- Function: Detects NOx concentrations in exhaust gases
- Installation Location: Post-turbo or aftertreatment system
- Signal Type: Digital output to ECU
- Application: Used in electronic emissions control systems
⭐ Key Features
- Accurately measures NOx levels to support emissions regulation compliance
- Designed to withstand high exhaust temperatures and harsh conditions
- Fast response time ensures real-time data for ECU adjustments
- Fully compatible with Cummins parts and electronic systems
- Manufactured to Cummins genuine parts standards for long-lasting reliability
⚙️ Technical Insights
The NOx sensor 5491423 continuously monitors exhaust gases and sends data to the engine control unit (ECU). This allows the system to adjust fuel injection and aftertreatment functions for cleaner combustion. The sensor is built using advanced materials that resist thermal shock, soot contamination, and electrical interference—helping to maintain peak performance throughout its lifespan.
🛠 Application Scenarios
- ✅ Employed in heavy-duty trucks and off-road equipment
- ✅ Essential for engines using Selective Catalytic Reduction (SCR) systems
- ✅ Commonly used in commercial fleets to meet emissions standards
- ✅ Best installed alongside other Cummins genuine parts for system integrity
📦 Availability
This Nitrogen Oxide Sensor is in stock and available for global shipping.
To ensure correct fitment with your Cummins parts configuration, please provide your engine serial number (ESN). Our support team is ready to assist with verification.