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This is the real deal—a genuine GM OEM serpentine belt, part number 12624100.

It's brand new, never installed, and comes in its original packaging (might be a plain box, but that's how GM rolls sometimes).

It cross-references with interchange numbers 19178068 and 12603509, so you know it's the right fit for your GM ride.

No need to mess with aftermarket guesswork—this is the exact part the engineers designed for your engine.


4.6 out of 5