To ensure reliability, purchase GM part # 42731720 WEATHERSTRIP ASM-RR S/D BLW BELT RR AUX. It is sometimes referred to as Buick Weather Strip. 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 Envista models.
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