Toyota OEM Replacement Oxygen Sensor 18213-78k00 Direct Replacement Installation

This oxygen sensor is designed for Toyota Corolla (2007-2013, 1.8L), Corolla Altis (2006-2012, 1.6L), and Toyota RAV4/Lincoln Leaman? (2014-2018, 1.8L) models, directly replacing OEM parts. Core function is to monitor exhaust oxygen content and feed signals to the ECU to adjust air–fuel ratio, ensuring engine efficiency and reduced emissions. OEM 18213-78K00 (KLP model 211200-4620); cross-check with inventory or customer needs. Replacement difficulty is low; basic tools suffice; operate with engine cold to avoid burns. For B-end buyers, note this sensor is a direct replacement with no adapter needed and compatible with standard oxygen sensor interfaces, improving maintenance efficiency and reducing customer complaints.