For 2019 - 2024 GMC Sierra 1500 5.3L 6.2L orOnly. For 2019 - 2024 Chevrolet Silverado 1500 V8 5.3L or 6.2L Only. Do not loosen the radiator cap while the engine and radiator are hot. Serious injuries, such as burns, may result from hot coolant and steam released under pressure.
