3pcs O2 Oxygen Sensor 1 2 for Chevrolet Blazer 2002 2003 2004 2005 S10 2002 2003 2004 Sonoma 2003 2004 4.3L Upstream Downstream

High-concerned chemical：None Type：Heating Type Repeatability：Front, Rear Hysteresis：Sensor 1 2 Linear：3 * 4 Wires Measuring Range：for 2003 2004 GMC Sonoma 4.3L Sensitivity：for 2002 2003 2004 2005 Chevrolet Blazer 4.3L Sensor Type：Piezoelectric Brand Name：oukeione Origin：Mainland China Resolution：for 2002 2003 2004 Chevrolet S10 4.3L OEM NO.：234-4650, 234-4343

High-concerned chemical: None Type: Heating Type Repeatability: Front, Rear Hysteresis: Sensor 1 2 Linear: 3 * 4 Wires Sensitivity: for 2002 2003 2004 2005 Chevrolet Blazer 4.3L Sensor Type: Piezoelectric Brand Name: oukeione Origin: Mainland China Resolution: for 2002 2003 2004 Chevrolet S10 4.3L OEM NO.: 234-4650, 234-4343