For 2008 Mack GU8 Engine Coolant Reservoir Cap Dorman. 2008 Mack GU8 Pressurized;. Engine Coolant Reservoir Cap. Heavy Duty Fluid Reservoir Cap. COOLANT TANK CAP. Anti-Freeze Cap. Ensure that this part fits your vehicle by entering your vehicle's Year, Make, Model, Trim, and Engine in the Compatibility Table.
