To ensure reliability, purchase GM part # 23243839 Pinion Bearing. It is sometimes referred to as Buick Input Shaft Bearing, Buick Pinion Bearing, Buick Transfer Case Bearing, Buick Differential Bearing. 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 Electra, Lesabre, Regal models.
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