Description
Product Overview
Part Name: Nitrogen NOx Oxygen Sensor
Part Numbers: 5WK97331A, A0101531628, SNS331A
Vehicle Compatibility: Mercedes-Benz Vehicles (EU Models) – Compatible with Euro 6 diesel engines across models such as Actros, A-Class, C-Class, E-Class, and Sprinter (2014–2023)
Configuration: OEM-style NOx sensor designed for precise detection of nitrogen oxides in diesel exhaust systems. Calibrated for optimal performance within SCR (Selective Catalytic Reduction) systems to ensure emission compliance and fuel efficiency.
Function: Measures NOx levels in exhaust gases and sends data to the ECU for accurate AdBlue dosing, helping reduce harmful emissions and maintain Euro 6 environmental standards.
Technical Specifications
Type: Nitrogen Oxide (NOx) Oxygen Sensor
Material: Stainless steel probe with ceramic sensing element and heat-resistant insulated wiring
Application: Fits Mercedes-Benz diesel models (2014–2023) using NOx sensor references 5WK97331A / A0101531628 / SNS331A
Cross-Reference: Equivalent to Mercedes OE part numbers above; compatible with factory exhaust and SCR systems
Installation: Direct-fit replacement; installs into OEM exhaust pipe and connects to existing wiring harness
Service Interval: Replace if the check engine light appears, emissions control faults occur, or AdBlue system efficiency decreases
Delivery & Availability
Stock Options: High-quality aftermarket Mercedes-Benz NOx sensors available
Delivery Time: 3–7 days internationally
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