Aintier Knock Detonation Sensor replacement SU4769 fit for 1999-2002 Mercury Villager 3.3L 1999-2004 Nissan Frontier 2.4L 1999-2004 Nissan Frontier 3.3L

Details: The Knock Detonation Sensor is installed in the middle of the cylinder block of the engine. For example, a four-cylinder engine is installed between two cylinders and three cylinders, or between one cylinder and two cylinders, and between three and four cylinders. It is used to measure engine jitter and adjust ignition advance angle when engine knocks. Fit for: 1999-2002 Mercury Villager 3.3L 1999-2004 Nissan Frontier 2.4L 1999-2004 Nissan Frontier 3.3L 2000 Nissan Pathfinder 3.3L 1999-2002 Nissan Quest 3.3L 2000-2004 Nissan Xterra 2.4L 2000-2004 Nissan Xterra 3.3L Please feel free to contact us if you have any problem for the Knock Detonation Sensor.