Buy 2009 Mazda RX-8 Oxygen Sensor (Rear). 2.0 LITER, all, rear. 2.0 LITER, California, rear. 626, MX-6 EMISSION, LITER, Make - OEM Mazda Part # FS1K18861B (FS1K-18-861A, FS1K-18-861B, FS1K18861A, USEFS1K18861B)

Oxygen. Sensor. (O2).
Calif. Oxygen Sensor.

Oxygen Sensor

Fits 626

2.0 LITER, all, rear. 2.0 LITER, California, rear. 626, MX-6; 4 Cyl; On Exhaust Pipe; California.
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 2009 Mazda RX-8 to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Mazda genuine parts.