Description
Product Overview
Part Name: Nitrogen NOx Oxygen Sensor
Part Numbers: 5WK96740B, 4326870, A045S167, A2C95990700-01
Vehicle Compatibility: Cummins Diesel Engines (US Models) – Designed for EPA Tier 4 emission-compliant Cummins ISX, ISB, and QSX diesel engines used in trucks, buses, and industrial vehicles (2014–2024)
Configuration: OEM-style NOx sensor developed for precise nitrogen oxide detection under extreme exhaust conditions. Built to resist heat, vibration, and corrosion, ensuring dependable data accuracy and long service life.
Function: Measures NOx concentrations in the exhaust flow and transmits real-time data to the ECU. Supports efficient DEF dosing control, maintaining low emissions, high combustion efficiency, and compliance with U.S. EPA Tier 4 standards.
Technical Specifications
Type: Nitrogen Oxide (NOx) Oxygen Sensor
Material: Stainless-steel sensor body with ceramic sensing core and heat-protected wiring harness
Application: Fits Cummins Tier 4 diesel engines (2014–2024) using NOx sensor references 5WK96740B / 4326870 / A045S167 / A2C95990700-01
Cross-Reference: Equivalent to Cummins OE part numbers above; compatible with OEM SCR and DEF systems used in U.S. market heavy-duty vehicles
Installation: Direct-fit replacement; mounts in the OEM exhaust port and connects to the factory wiring harness without modification
Service Interval: Replace when NOx fault codes (P2201, P229F) appear, SCR performance declines, or emission light activates on dashboard
Delivery & Availability
Stock Options: High-quality aftermarket Cummins NOx sensors available
Delivery Time: 3–7 days internationally
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