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The Gates Micro-V serpentine belt for 2020–2023 GMC Sierra 6.6L diesel V8 is a standard V‑ribbed accessory drive belt offered as a direct replacement where listed. It is specified to match the factory serpentine profile for these Sierra applications, restoring proper routing and tension for accessory drives and providing a dependable maintenance part for the diesel pickup platform noted.
Gates 20-23 GMC Sierra Series Pickup V-8 6.6L Diesel Serpentine - Alt. Standard V-Ribbed Belt
