Description:

Compatible with 2002 Chevrolet Silverado 1500,Compatible with 2001 Chevrolet Silverado 1500,Compatible with 2001 GMC Sierra 1500,. Replacement OEM Number: 234-4012, SG454, SG236, OS820, AFS105, AFS75, 9617178, 19178918, 19178930 25312200,ES20317, 15703, 21006, 2344012, SU187, 234-4018, 234-4112, 250-24018 ,25312203, 25315373, 5S3120, 13474, 21539, ES20000, 2344018, 19178116, 19178945,. 1 x Oxygen O2 Sensor (4 PCS).