👉【Replacement Part Number】:68447681AA (Note!!! Location: Upstream sensor)
👉【OEM Quality】Each Nitrogen Oxide Inlet Downstream NOx Sensor with material and vehicle test drive before leaving the factory to ensure compliance with OEM standards. Installation is simply a matter of replacing the old or damaged NOx sensor with a new one.
👉【Operating Principle】The NOx sensor is part of the NOx abatement aftertreatment system for diesel vehicles using urea-based SCR systems. It is located Downstream of the SCR catalyst and measures the NOx gas concentration directly at the engine output, which helps determine the optimum amount of urea to inject.
👉【After-Sales Service】We provide a 1-year maintenance and 24/7 after-sales service, offering professional technical support and assistance. We welcome your inquiries.