4PCS Oxygen Sensor For 2003-2005 Chevy Silverado 1500 GMC Sierra 1500 4.3L 4.8L
$56.09
Oxygen Sensor. Silverado 1500. Sierra 1500. 4 x Oxygen Sensor. If the sensor is good, further diagnosis is required. There're many different codes for specific functional failures, which are NOT necessarily relevant to the sensor.
