Mazda6 Besturn B70 Front Oxygen Sensor L36C-18-8G1 Universal OEM Durable and Reliable

Mazda6 and Besturn B70 2003-2015 front oxygen sensor, OEM number L36C-18-8G1, high versatility. Core function is to monitor exhaust oxygen content and adjust the air-fuel ratio; replacement can resolve high fuel consumption, weak acceleration, and emission excess, especially suitable for restoring power on older cars. If idle is unstable, fault light is on, or fuel consumption surges, sensor aging is indicated and replacement is advised.