Volkswagen NOx Sensor 059907807AB SNS454 Precise Emission Detection Durable and Reliable

Oxygen sensor designed for VW Touareg (2004-2010 3.0L TDI), Audi Q7 (2006-2015 3.0L TDI), and Porsche Cayenne (2008-2010 3.0L TDI), OEM number 059907807AB, compatible with SNS454 standard. Precisely monitors NOx concentration in exhaust to ensure emission system compliance. Replacement difficulty moderate; cold-engine operation recommended; avoid excessive bending of wiring harness during installation. If the original sensor ages, symptoms include engine check light, torque limitation, or abnormal fuel consumption; replacement restores operation.