Upstream+Downstream Oxygen Sensor 4x New For 2006 for Chevrolet Tahoe for GMC for Yukon 5.3L

Condition:New|Brand:Unbranded|Type:Sensor|Interchange Part Number:234-4337, 234-4336, 2344337, 12589321, 12597989, 2344336, 12599204, 12599866, 12589321, 234-433, 234433, 234 433, ES20352,SG1827,SU9620, 2344337,2134350,2133533,2133544, 21559, 15150, 753689, 753700, 21559, SG1653, SG1827, SU9620, SU9638, 12597989, 12589321, 213-3533, 234-4336, 2344336, 12599204, 12599866|Year:2006 2007|Connector Color:Gray|Sensor Type:Oxygen Sensor|OE/ Part Number:12589321 12599866|Manufacturer Part Number:12589321 12599866|Features:Direct Fit, Easy Installation|Superseded Part Number:for Chevrolet Avalanche 1500, Silverado 1500, Silverado 1500 Classic, Suburban 1500, Tahoe, For 2006 for GMC for Sierra 1500, for Sierra 1500 Classic, for Yukon , for Yukon XL 1500|Placement on Vehicle:Upstream, Downstream|UPC:741652864601