This AC Delco oxygen sensor is a 4-wire type with a female connector and a square shape. It is designed to fit right-side placement on Chevy and GMC vehicles, including Tahoe, Camaro, Sierra, and Escalade models. The sensor is a direct replacement for the original part and comes with a 2-year manufacturer warranty. The package includes one oxygen sensor, and it is sold individually. The anticipated ship-out time is 2-3 business days. This oxygen sensor is not a universal fitment.