Dorman 603-009 Engine Coolant Reservoir for Specific Chevrolet / GMC Models

Direct replacement - this engine coolant reservoir matches the fit and function of the original part Ideal solution - engineered for a seamless installation Durable construction - manufactured from quality materials to withstand underhood heat and vibration Trustworthy design - backed by 100 years of automotive aftermarket experience Vehicle model years this part fits: Chevrolet Silverado 2500 HD: 2017, 2018, 2019 Chevrolet Silverado 3500 HD: 2017, 2018, 2019 Chevrolet Silverado 4500 HD: 2019, 2020, 2021 Chevrolet Silverado 5500 HD: 2019, 2020, 2021 Chevrolet Silverado 6500 HD: 2019, 2020, 2021 GMC Sierra 2500 HD: 2017, 2018, 2019 GMC Sierra 3500 HD: 2017, 2018, 2019