Browse GMC 6.6L DURAMAX Turbochargers / Superchargers for sale on MyLittleSalesman.com. Compare prices, photos, and seller details across 7 listings. GMC 6.6L DURAMAX Turbocharger / Supercharger pricing ranges from $650 to $1,300 based on recent marketplace data. Filter by condition, price, or year to find the right GMC 6.6L DURAMAX Turbocharger / Supercharger.