Gearzaar Pair Upstream & Downstream Oxygen Sensors For Chevy Cobalt HHR 2.2L 2.4L – 234-4668 / 234-4066

Check engine light on?

Might be an O2 sensor.

This pair from Gearzaar includes both upstream and downstream sensors for many Chevy Cobalt and HHR models with the 2.2L or 2.4L engine.

Direct fit—correct connectors, no cutting or splicing.

Just unplug the old ones and screw these in.

Replaces part numbers 234-4668, 234-4066, 15284, 21546, SG1857.

Brand new, comes as a set of 2.

Lifetime warranty, so install ‘em and forget ‘em.

Easy install, high quality, keeps your engine running right.