AUTO-ZI Upstream Oxygen O2 Sensor For Hyundai Sonata / Kia Optima / Sorento – 39210-2G240, 4-Wire

Replace your faulty upstream oxygen sensor with this AUTO-ZI unit.

It's a direct fit for many Hyundai and Kia models—including Sonata, Optima, and Sorento—using OE number 39210-2G240.

Also interchanges with 234-5714.

It's a 4-wire air/fuel ratio sensor, upstream/front location.

Wired, ready to plug in.

Made of metal and rubber.

2-year warranty included.

Brand new, one piece.

If your check engine light is on and you suspect the O2 sensor, this is the fix.