Peugeot Citroën Rear Oxygen Sensor 0258006029 9636148880 Original Position Installation

This downstream oxygen sensor is designed for Peugeot 307 (2004-2013, 1.6L/2.0L), Citroën C4 (2008-2016, 1.6L), and Renault Megane (2006-2012, 2.0L). OEM replacement available for direct substitution. Core function is real-time monitoring of exhaust oxygen content and feeding the ECU to adjust the air–fuel ratio to improve combustion efficiency and reduce emissions. OEM numbers 0258006029 and 9636148880 are interchangeable. Replacement difficulty is medium; use a dedicated oxygen sensor socket to avoid thread damage; if P0130 or P0134 fault codes appear, check this sensor first. For B2B buyers, this part is compatible with multiple PSA platform models and stock is highly interchangeable; KLP brand offers a stable supply cycle suitable for bulk stocking.