SCITOO 2pc Upstream Left + Right O2 Oxygen Sensor Kit For Nissan Xterra Frontier 3.3L – Direct Fit 3-Wire

Check engine light on?

These upstream O2 sensors from SCITOO might be the fix.

This kit includes both left and right upstream (pre-cat) sensors for Nissan Xterra and Frontier models with the 3.3L engine.

They're a direct fit with an 18mm thread and 3-wire pigtails about 930mm long.

Output signal is 0.2V to 0.8V.

Cross-references CB991782S00, B234-3098, and BA2343098.

Comes with a 1-year warranty.

Get that engine light off and your fuel economy back.