Buy 2004 Mazda B2300 Oxygen Sensor (Rear, Lower). 2.0 LITER W/O SKYACTIV. 2.5 LITER. Mazda3; 2.0L; Rear LITER, Make, Engine - OEM Mazda Part # L54118861A (L541-18-861, L541-18-861A, L54118861, L54118861A9U, USEL54118861A)

Oxygen. Sensor.
Oxygen Sensor. (O2). Snsr.

Oxygen Sensor

Fits 3

2.0 LITER W/O SKYACTIV. 2.5 LITER. Mazda3; 2.0L; Rear. Mazda3; 2.0L; Rear; w/o Skyactiv-G Engine. Mazda3; 2.5L; Rear.
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 2004 Mazda B2300 to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Mazda genuine parts.