通用帅客1.6/S6/标致206/2D前氧传感器 0258006185 精准控制空燃比

This replacement matches OEM standards in material and process, using high-temperature ceramic substrate and platinum electrode; durability validated on bench tests to withstand high exhaust temperatures. OEM number 0258006185; compatible with GAC Gonow Shuaike 1.6, BYD S6, Peugeot 206 and other 2D models. Function: monitors exhaust oxygen content in real time and feeds ECU to precisely control air-fuel ratio, avoiding overly rich or lean mixtures that increase fuel consumption and emissions. Installation difficulty: medium; requires special socket to remove old part; avoid thread damage; recommended cold-start operation and application of anti-seize compound.