Description
Product Overview
Part Name: Nitrogen NOx Oxygen Sensor
Part Numbers: 5WK96673A, 2894941, 2894941RX, 3687334
Vehicle Compatibility: Cummins Diesel Engines (US Models) – Designed for EPA Tier 4 emission-compliant Cummins ISX, ISB, and QSX diesel engines used in heavy-duty trucks, buses, and industrial vehicles (2014–2024)
Configuration: OEM-style NOx sensor engineered for precision exhaust monitoring. Built to withstand high-temperature and high-vibration environments, ensuring long-term signal accuracy and durability.
Function: Detects NOx levels in exhaust gases and sends real-time data to the ECU. Optimizes SCR efficiency by adjusting DEF injection rates, improving combustion, and maintaining EPA Tier 4 emission compliance.
Technical Specifications
Type: Nitrogen Oxide (NOx) Oxygen Sensor
Material: High-durability stainless steel probe with ceramic sensing core and heat-shielded wiring assembly
Application: Fits Cummins Tier 4 diesel engines (2014–2024) using NOx sensor references 5WK96673A / 2894941 / 2894941RX / 3687334
Cross-Reference: Equivalent to Cummins OE part numbers above; compatible with OEM SCR and DEF emission systems across U.S. heavy-duty vehicle platforms
Installation: Direct-fit replacement; mounts into OEM exhaust port and connects to factory wiring harness without modification
Service Interval: Replace when NOx fault codes (P2201, P229F) occur, SCR performance declines, or emission warning light activates
Delivery & Availability
Stock Options: High-quality aftermarket Cummins NOx sensors available
Delivery Time: 3–7 days internationally
Payment & Security
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