Description
Product Overview
Part Name: Nitrogen NOx Oxygen Sensor
Part Numbers: 5WK97337A, A0101532128, SNS337A
Vehicle Compatibility: Mercedes-Benz Diesel Vehicles (US Models) – Suitable for EPA Tier 4 emission-compliant Mercedes-Benz Freightliner Cascadia, Actros, and Sprinter models equipped with SCR (Selective Catalytic Reduction) systems (2014–2024)
Configuration: OEM-style NOx sensor engineered for precise nitrogen oxide measurement in diesel exhaust gases. Designed to perform under extreme exhaust heat and vibration, ensuring consistent and accurate DEF (Diesel Exhaust Fluid) control.
Function: Detects NOx levels in exhaust gases and transmits real-time data to the ECU, optimizing AdBlue dosing and fuel combustion while maintaining compliance with U.S. EPA emission standards.
Technical Specifications
Type: Nitrogen Oxide (NOx) Oxygen Sensor
Material: Stainless steel body with high-temperature ceramic sensing element and insulated wiring harness
Application: Fits Mercedes-Benz Tier 4 diesel engines (2014–2024) using NOx sensor references 5WK97337A / A0101532128 / SNS337A
Cross-Reference: Equivalent to Mercedes-Benz OE part numbers above; compatible with OEM SCR and DEF emission systems used in U.S. heavy-duty vehicles
Installation: Direct-fit replacement; installs into factory exhaust port and connects seamlessly to the OEM wiring harness
Service Interval: Replace when NOx system fault codes (P2201, P229F) occur, SCR efficiency decreases, or emission light appears
Delivery & Availability
Stock Options: High-quality aftermarket Mercedes-Benz NOx sensors available
Delivery Time: 3–7 days internationally
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.