Description
Product Overview
Part Name: Nitrogen NOx Oxygen Sensor (Outlet Position)
Part Numbers: 5WK97339A, A0101532328, A2C89603300-01
Vehicle Compatibility: Mercedes-Benz Diesel Vehicles (US Models) – Suitable for EPA Tier 4 emission-compliant Mercedes-Benz Freightliner Cascadia, Actros, and Sprinter models with SCR (Selective Catalytic Reduction) systems (2014–2024)
Configuration: OEM-style outlet NOx sensor engineered to detect post-catalyst nitrogen oxide concentrations. Designed for high thermal endurance and vibration resistance to provide stable and accurate data for ECU-based emission management.
Function: Measures NOx levels after SCR treatment and relays readings to the ECU to verify AdBlue injection performance, maintain optimal emission reduction, and comply with U.S. EPA diesel emission standards.
Technical Specifications
Type: Nitrogen Oxide (NOx) Oxygen Sensor – Outlet Position
Material: High-grade stainless steel probe with ceramic sensing element and insulated heat-resistant cable harness
Application: Fits Mercedes-Benz Tier 4 diesel engines (2014–2024) using NOx sensor references 5WK97339A / A0101532328 / A2C89603300-01
Cross-Reference: Equivalent to Mercedes-Benz OE part numbers above; fully compatible with OEM SCR and DEF systems used in heavy-duty U.S. models
Installation: Direct-fit replacement; mounts in the outlet section of the exhaust system and connects to the OEM harness plug
Service Interval: Replace when NOx system fault codes (P229F, P2201) appear, SCR efficiency declines, or exhaust warning lights are triggered
Delivery & Availability
Stock Options: High-quality aftermarket Mercedes-Benz outlet NOx sensors available
Delivery Time: 3–7 days internationally
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