DZSCHUNLUSM Oxygen sensor 1S7F-9G444-BB Lambda Probe O2 Oxygen Sensor For MONDEO 3 For MK3 B5Y B4Y 1.8L 2.0L 2.5L 3.0L 2000-2007 Nox Sensor

1S7F-9G444-BB Lambda Probe O2 Oxygen Sensor For MONDEO 3 For MK3 B5Y B4Y 1.8L 2.0L 2.5L 3.0L 2000-2007 DOX-1708 1147420. Part Number: 1147420 1S7F9G444BB 1S7F-9G444-BB,This O2 oxygen sensor is made of plastic and metal to ensure maximum durability and practicality for long-term use. The main function of the oxygen sensor is to optimize the air-fuel mixture in the engine. By accurately measuring the oxygen content in the exhaust gas, it helps the engine run and improves economy. Specifically designed to improve fuel economy while reducing harmful emissions. Helps the engine run efficiently with the air-fuel ratio. Professional after-sales team will solve any of your problems in the shortest time and guarantee yoursatisfaction!