Photo 1 of Heated Upstream Oxygen O2 Sensor 234-4668 Sensor 1 for Avalanche Cobalt Equinox HHR Impala Malibu Silverado 1500 2500 HD 3500 HD Suburban 1500 2500 Tahoe Envoy Sierra Yukon 1PCS

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Photo 1 of Heated Upstream Oxygen O2 Sensor 234-4668 Sensor 1 for Avalanche Cobalt Equinox HHR Impala Malibu Silverado 1500 2500 HD 3500 HD Suburban 1500 2500 Tahoe Envoy Sierra Yukon 1PCS