Volkswagen NOx Sensor 059907807Q SNS481 Efficiently monitors diesel vehicle exhaust

VW/Nox sensor (059907807Q SNS481) designed for EA189 series 2.0L TDI diesel engines; fits Tiguan, Passat, Golf and Audi A3 (2010–2015). Real-time monitoring of exhaust NOx with ECU feedback to optimize SCR, improving fuel economy and ensuring emissions compliance. OEM 059907807Q cross-check with original. Replacement difficulty moderate; if acceleration lag or fuel consumption rises, inspect this sensor first.