Description
Product Overview
Part Name: Nitrogen NOx Oxygen Sensor
Part Numbers: 2894940, 2871979, 4984577, 4954222, 1705572, 5462436, A059B031
Vehicle Compatibility: Cummins Diesel Engines (US Models) – Compatible with EPA Tier 4 diesel engines used in trucks, buses, agricultural machinery, and industrial equipment fitted with SCR (Selective Catalytic Reduction) and DEF systems (2013–2023)
Configuration: OEM-style NOx sensor designed to provide high-precision nitrogen oxide measurement under extreme temperature and vibration conditions. Built for seamless integration with Cummins SCR systems to maintain emission compliance and performance reliability.
Function: Detects NOx levels in exhaust gases and transmits data to the ECU for accurate control of AdBlue/DEF injection, reducing emissions and optimizing fuel efficiency.
Technical Specifications
Type: Nitrogen Oxide (NOx) Oxygen Sensor
Material: High-grade stainless steel body with heat-resistant ceramic sensing core and shielded wiring harness
Application: Fits Cummins Tier 4 diesel engines (2013–2023) using NOx sensor references 2894940 / 2871979 / 4984577 / 4954222 / 1705572 / 5462436 / A059B031
Cross-Reference: Equivalent to Cummins OE part numbers above; fully compatible with OEM SCR and DEF emission systems
Installation: Direct-fit replacement; mounts in factory exhaust system port and connects to existing electrical harness
Service Interval: Replace when check engine light or NOx fault codes appear, emissions control efficiency decreases, or AdBlue dosing irregularities are detected
Delivery & Availability
Stock Options: High-quality aftermarket Cummins NOx sensors available
Delivery Time: 3–7 days internationally
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