Chevrolet 1500: 02 Sensor Codes With NEW Sensors Installed?

In this video I have a look at 2012 Chevrolet 1500 that came in with the engine light on with some O2 Sensor codes (P0053 & P0134). He said he replaced the O2 Sensors on bank 1 but is still having the issue. The part is NEW so could it really be bad or is there something else wrong?

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Due to factors beyond the control of South Main Auto Repair, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. South Main Auto Repair assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. South Main Auto Repair recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of South Main Auto Repair, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained.