2pcs Upstream & Downstream Fits 2007 GMC Sierra 3500 HD 6.0L O2 Oxygen Sensor
$23.69
Compatibility: 2007 Chevrolet Silverado 2500 HD 6.0L 2007 Chevrolet Silverado 3500 HD 6.0L 2007 GMC Sierra 2500 HD 6.0L 2007 GMC Sierra 3500 HD 6.0L Q&A: Q:What is Differences Between upstream and downstream O2 Sensor? .
