Buy 2008 Mazda CX-9 Oxygen Sensor (Rear). MPV; Front; Lower; All. Postconverter. Oxygen Sensor - EMISSION, Make, Repair - OEM Mazda Part # AJ5218861A9U (AJ5-218-861A-9U, AJ52-18-861, AJ52-18-861A, AJ5218861, AJ5218861A)

Sensor, Oxygen (O2).
Oxygen Sensor.

Oxygen Sensor

Fits MPV

MPV; Front; Lower; All. Postconverter.
Oxygen Sensor - Repair or Replace
A failed Oxygen Sensor will often have no noticeable symptoms beyond a check engine light, but it does cause your 2008 Mazda CX-9 to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Mazda genuine parts.