To ensure reliability, purchase GM part # 378137 Axle Nut. It is sometimes referred to as Buick Spindle Nut. 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 Regal, Roadmaster models.
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