2014-2018 Chevrolet Silverado 1500 with 4.3L V6 Engine. 2014-2018 GMC Sierra 1500 with 4.3L V6 Engine. Heat Shield Cold Air Intake BLUE for 14-19 Sierra/1500 5.3L/6.2L V8. The air intake kit can help your engine to draw more cold air resulting in better throttle response and higher explosive horsepower output.