To ensure reliability, purchase GM part # 12479021 Front/Rear Differential and Planet CASE. It is sometimes referred to as GMC Differential. 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 GMC Canyon, Envoy models.
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