4pc O2 Oxygen Sensor Set For 2003 Mazda MPV 3.0L, Upstream & Downstream, CCIYU

Full set of four oxygen sensors for your 2003 Mazda MPV 3.0L.

You get both upstream and downstream, front and rear, all four corners covered.

Direct fit, 4-wire design, length runs about 17 inches.

Brand is CCIYU, comes with a 1 year warranty.

If your MPV is throwing O2 codes or running rich, this is the whole package.

No need to hunt down which one is bad—just replace 'em all and be done with it.