Buy & SellVehicles & PartsVehicle PartsEngine & MechanicalNTK 21559 Oxygen Sensor SEALEDNTK 21559 Oxygen Sensor SEALED$80Corrosion and abrasion resistant. Checks for the amount of oxygen in the exhaust. Ensures longevity. SEALED. New. For Sale By: Owner.WHERE TO MEETCasino Ajax ParkingView MapSELLERStanAudley231 review0 chatsยท0 favoritesยท4 viewsSEND CHAT TO SELLERHi Stan! Iโm interested in your listing.Hi Stan! Iโm interested in your listing.Get the Karrot app to chatSign In to chat