To ensure reliability, purchase GM part # 84380557 Link Assembly, Rear Susp Lwr Trailing. It is sometimes referred to as Buick Trailing Arm. 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 Envision, LaCrosse, Regal models.
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