This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit and function of the original part.

Heavy Duty Pressurized Coolant Reservoir 603-5403 Features:

• Fits 2019-2024 Kenworth; 2008-2017 Kenworth; 2008-2023 Peterbilt
• Constructed from Plastic for lasting durability
• Direct replacement — this engine coolant reservoir matches the fit and function of the original part
• Ideal solution — engineered for a seamless installation
• Trustworthy design — backed by 100 years of automotive aftermarket experience