To ensure reliability, purchase GM part # 12638542 Tube Assembly, Pcv (Cam Cover To Intk). It is sometimes referred to as Cadillac Crankcase Breather Hose, Cadillac PCV Valve Hose, Cadillac Air Hose. 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, CTS, XTS models.
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