Description
Product Overview
Part Name: Nitrogen NOx Oxygen Sensor
Part Numbers: 5WK96753B, 4326869, 2872947, A045S164, A2C95993800-01
Vehicle Compatibility: Cummins Engines (US Models) – Suitable for EPA Tier 4 diesel engines in trucks, buses, and equipment powered by Cummins ISB, ISX, QSB, and QSL engines (2014–2024)
Configuration: OEM-style NOx sensor engineered for high-accuracy exhaust gas monitoring in SCR (Selective Catalytic Reduction) systems. Designed to provide precise NOx measurements for optimal DEF dosing and fuel efficiency.
Function: Detects nitrogen oxide levels in exhaust gases and communicates with the ECU to regulate DEF injection, helping meet U.S. EPA emissions standards while maintaining engine performance.
Technical Specifications
Type: Nitrogen Oxide (NOx) Oxygen Sensor
Material: Stainless steel body with high-temperature ceramic sensing tip and durable heat-shielded cable assembly
Application: Fits Cummins Tier 4 diesel engines (2014–2024) using NOx sensor references 5WK96753B / 4326869 / 2872947 / A045S164 / A2C95993800-01
Cross-Reference: Equivalent to Cummins OE part numbers above; compatible with factory SCR and DEF after-treatment systems
Installation: Direct-fit replacement; installs into OEM exhaust manifold or pipe and connects to original electrical harness
Service Interval: Replace when NOx-related fault codes are triggered, emissions performance drops, or check engine light appears
Delivery & Availability
Stock Options: High-quality aftermarket Cummins NOx sensors available
Delivery Time: 3–7 days internationally
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