[Vehicle Fitment]: Compatible with Buick Regal Sportback 2018-2020 (4Link Rear Axle(GNC)); Compatible with Chevrolet Malibu 2016-2024 (4Link Rear Axle(GNC)), Malibu 2025
[Installation Position]: Rear Left Driver Side
[Professional Replacement]: This steering knuckle is the replacement for above model's suspension system, and may help you resolve those problems: ① hard braking ② difficult turning of wheels ③ uneven tire wear ④ abnormal shaking