O2 Sensor For MERCURY For MARINER 2005-2008 OEM# 5L8Z2C190AA/8L8Z2C190A/EF914371Y Rear Left Or Right ABS Wheel Speed Sensor Oxygen Sensor(Rear Left)

Reduces vehicle malfunctions caused by sensor failure and extends sensor life, resulting in a more sensitive oxygen ion reaction and a very short ignition time. For MERCURY For MARINER 2005-2008. Functionally and quality tested in accordance with the same standards as for equipment parts: For high performance and reliability over a long service life OEM Part Number EF914372Y/EF914372YA/EF914372YB,EF914372YC/ ZZCA43712/ 5L8Z2C216AA/ 8L8Z2C191A,5L8Z2C190AA/8L8Z2C190A/EF914371Y/EF914371YA,EF914371YB/ EF914371YC/ ZZCA43711. Improved Performance: Ensuring the engine has the optimal air-fuel ratio improves vehicle acceleration and overall power performance, and is resistant to oxidation and high temperatures.