To ensure reliability, purchase GM part # 12650468 Outlet Assembly, Water. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Cadillac ATS, CT6, CTS models. It fits Chevrolet Camaro, Colorado. It also fits GMC Canyon.