Your vehicle deserves only genuine OEM GM parts and accessories. To ensure reliability, purchase GM part # 12581717 Seal, Crankshaft Rear Oil. It is sometimes referred to as GMC Crankshaft Seal. Our GM parts and accessories are expedited directly from authorized GM dealers strategically located all across the U.S. and are backed by the manufacturer's 12 month, 12,000 mile warranty. OEM GM parts are the best for restoring your vehicle to factory condition performance. This part fits specific GMC Envoy models.
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