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Ruiya 4Pcs Upstream + Downstream For 2003-2005 Chevrolet Avalanche 1500 GMC Sierra 1500 Cadillac Escalade 5.3L O2 Oxygen Sensor
Description: The oxygen sensor located either upstream or downstream of the catalytic converter is designed to monitor the air-fuel mixture under idle moderate acceleration and cruise conditions. Symptoms of a faulty or bad oxygen sensor include...
$97.14 $52.32 Free Delivery