Description
Product Overview
Part Name: Nitrogen NOx Oxygen Sensor
Part Numbers: 5WK96691A, 2894944, 2872236, 2894944RX, A034X854
Vehicle Compatibility: Cummins Diesel Engines (US Models) – Suitable for EPA Tier 4 emission-compliant Cummins ISX, ISB, and QSX engines used in trucks, buses, and industrial vehicles (2014–2024)
Configuration: OEM-style NOx sensor engineered for precise nitrogen oxide measurement in diesel exhaust gases. Built with heat-resistant materials and reinforced wiring for reliability under heavy-duty conditions.
Function: Detects NOx levels in the exhaust system and transmits real-time data to the ECU, allowing for optimized DEF dosing and enhanced SCR efficiency. Ensures compliance with U.S. EPA Tier 4 emission standards while improving engine performance and fuel economy.
Technical Specifications
Type: Nitrogen Oxide (NOx) Oxygen Sensor
Material: High-grade stainless-steel probe with ceramic sensing core and insulated wiring harness for maximum durability
Application: Fits Cummins Tier 4 diesel engines (2014–2024) using NOx sensor references 5WK96691A / 2894944 / 2872236 / 2894944RX / A034X854
Cross-Reference: Equivalent to Cummins OE part numbers above; compatible with OEM SCR and DEF emission control systems across U.S. heavy-duty vehicle models
Installation: Direct-fit replacement; screws into OEM exhaust location and connects to factory wiring harness without modification
Service Interval: Replace when NOx-related fault codes (P2201, P229F) occur, SCR performance declines, or emission efficiency decreases
Delivery & Availability
Stock Options: High-quality aftermarket Cummins NOx sensors available
Delivery Time: 3–7 days internationally
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