Audi Downstream Oxygen Sensor – Denso B5 Durable Construction: Resists contamination and

Durable Construction: Resists contamination and thermal shock

1000 inches Core Width 1

Part Number BKN0009R OEM Cross-Reference 321 498 203 A Position Not specified (likely rear) Brand REIN AUTOMOTIVE

0L6 BMW 440i Gran Coupe 2017 3

Audi Downstream Oxygen Sensor – Denso B5 Durable Construction: Resists contamination andThis Denso downstream oxygen sensor monitors catalytic converter efficiency and helps maintain proper emissions control. It is a direct replacement for multiple Audi models. Fits Audi Q7, A8 Quattro, A7 Quattro, and A6 Quattro from 2015 to 2019. Key Features & Benefits Heated Sensor: Quick activation for accurate readings. Direct Fit: Threaded mounting for simple installation. OEM Cross Reference: Equivalent to Audi part number 06E906265AE. Improves