To ensure reliability, purchase GM part # 12667438 Sensor Assembly, Heated Oxygen (Pre, Catalyst Bank 2 S. It is sometimes referred to as GM Oxygen Sensor. 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 Buick Enclave models. It fits Cadillac XT5, XT6. It also fits Chevrolet Blazer, Colorado, Traverse. This also fits GMC Acadia, Canyon.
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