Description
Product Overview
Part Name: Nitrogen NOx Oxygen Sensor
Part Numbers: 5WK97102A, A2C97451300-01, SNS502A
Vehicle Compatibility: Cummins Engines (US Models) – Designed for EPA Tier 4 diesel engines in heavy-duty trucks, buses, and construction equipment powered by ISB, ISX, and QSB engine platforms (2015–2024)
Configuration: OEM-style NOx sensor designed for high-accuracy nitrogen oxide detection within the exhaust stream. Built to support SCR (Selective Catalytic Reduction) systems used in U.S.-spec emission control configurations.
Function: Measures NOx concentrations in exhaust gases and sends real-time data to the ECU to optimize AdBlue/DEF injection, improve combustion, and ensure EPA emission compliance.
Technical Specifications
Type: Nitrogen Oxide (NOx) Oxygen Sensor
Material: Stainless steel sensor body with heat-resistant ceramic element and insulated, shielded cabling
Application: Fits Cummins EPA Tier 4 diesel engines (2015–2024) using NOx sensor references 5WK97102A / A2C97451300-01 / SNS502A
Cross-Reference: Equivalent to Cummins OE part numbers above; compatible with OEM SCR and DEF exhaust after-treatment systems
Installation: Direct-fit replacement; threads into the exhaust pipe or manifold and connects to OEM electrical harness
Service Interval: Replace when NOx-related fault codes appear, emissions efficiency declines, or check engine 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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