bank 1 sensor 1 indicates the front sensor, in front of the Catalytic Converter:
My appologies, I overlooked that...........
Part will vary from Original to Aftermarket Part is apprx $98.99 - 160.00Labor will also vary from shop to shop.
Labor $ 65.00 - 125.00 per hour. Book calls for 1 1/2 hours
I would recommend Dealer, as many Service Shops do not have the Scan Tool to competely check & program if needed.