Bosch 4-Wire Oxygen Sensor – Direct Fit For 2002-2007 GM Trucks & SUVs (Multiple Crosses)

This Bosch oxygen sensor fits a ton of 2002-2007 GM vehicles—think Cadillac, Chevrolet, GMC, Hummer, Isuzu, Saturn.

It's a 4-wire, screw-in direct replacement.

No warranty from Bosch, but it's a quality part.

Cross numbers include 12569496, 12570794, 12577588, and many more like 21046, 234-4112, and SG1720.

One sensor per package.

If your check engine light's on for an O2 code, this'll likely sort it.

Just confirm placement (upstream/downstream) for your specific model.

Brand new, original packaging.

Easy install if you've got a wrench and some patience.