Premium NOX Sensor for Audi A6 & A7 Diesel Models
High-precision NOX sensor designed for Audi A6 ($6) and A7 ($7) 4G 3.0TD Quattro diesel engines, ensuring optimal emissions control and engine performance. Direct OEM replacement compatible with multiple part numbers: 5WK97211, 4G0907807H, 4G0907807C, 4G0907807R, and 4G09078070. Constructed with durable ceramic sensing elements and high-grade stainless steel housing for long-term reliability under extreme temperatures. Advanced signal processing ensures accurate real-time NOX level detection, reducing harmful emissions and preventing engine fault codes. Perfect for diesel vehicle owners seeking a cost-effective, high-performance sensor replacement without compromising quality. Bulk pricing available for auto repair shops and wholesalers—global supply at unbeatable rates.