To ensure reliability, purchase GM part # 12557345 Pulley,Crankshaft. It is sometimes referred to as GMC Crankshaft Pulley. 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 C2500, Suburban, Yukon models.
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