To ensure reliability, purchase GM part # 23400078 Rear Suspension Knuckle Assembly. It is sometimes referred to as GMC Steering Knuckle. 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 GMC Acadia models.
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