6.6 Liter OHV 32-Valve Duramax Turbo-Diesel V8 Engine for the 2023 GMC Sierra 2500HD #145688285

6.6 Liter OHV 32-Valve Duramax Turbo-Diesel V8 Engine on the 2023 GMC Sierra 2500HD AT4 Crew Cab 4x4