2X Up+Down Oxygen Sensor For 2001-04 Buick Century 3.1L & Chevrolet Impala 3.4L

Country of Origin：China Number of Sensors：2 Mounting Style：Snap-On Fitment Type：Direct Replacement Install Position：Upstream,Downstream Brand：Unbranded Type：Oxygen Sensor part type：Oxygen Sensor Interchange Part Number：234-4342, 234-4285 Sensor Type：Oxygen Sensor Manufacturer Warranty：3 Years OE/OEM Part Number：234-4342, 234-4285 Features：Calibrated, Direct Fit, Easy Installation, Wired UPC：Does not apply

Country of Origin: China Number of Sensors: 2 Mounting Style: Snap-On Fitment Type: Direct Replacement Install Position: Upstream,Downstream Brand: Unbranded Type: Oxygen Sensor part type: Oxygen Sensor Interchange Part Number: 234-4342, 234-4285 Sensor Type: Oxygen Sensor Manufacturer Warranty: 3 Years OE/OEM Part Number: 234-4342, 234-4285 Features: Calibrated, Direct Fit, Easy Installation, Wired UPC: Does not apply