Volkswagen Magotan 3.2L Rear Left Oxygen Sensor 0258006862 Fits 06-10 Models

2006-2010 VW Passat B6 3.2L rear-left oxygen sensor, OEM 0258006862 (compat with 0258006863), installed downstream of the exhaust manifold to monitor catalytic converter efficiency and feed oxygen content to adjust AFR. If check engine light on, fuel economy up, rough idle, or exhaust odor, replace. Installation medium; torque about 0.5 hours; clean threads and prevent thread seizing.