Mazda6 Front Oxygen Sensor LFH1-18-8G1 Direct Fit Air-Fuel Ratio Detection

Mazda6 front oxygen sensor, OEM LFH1-18-8G1 and LFH1-18-861, using KLP brand; meets OEM standards; features high-temperature ceramic core and corrosion-resistant stainless steel housing; reliable durability and minimal early signal drift. Fits Mazda6 series 2.0L and 2.3L engines; direct replacement; remove the old sensor. Monitors real-time exhaust air-fuel ratio and feeds back to ECU to adjust injection, ensuring combustion efficiency and emission compliance.