FIT FOR - throttle body for 2011-2016 for Chevrolet for Silverado 2500 HD 2011-2016 for Chevrolet for Silverado 3500 HD 2011-2016 for GMC for Sierra 2500 HD 2011-2016 for GMC for Sierra 3500 HD. HIGH PERFORMANCE - The throttle controls the throttle opening in real time by adding corresponding sensors and electronic control units, which helps to improve the safety, power, stability and economy of the car, and reduce emissions. IMPROVED ENGINE EMISSIONS - At idle, the throttle is maintained at a very small opening angle to stabilize combustion, improve fuel economy and further control emissions. SAFE DRIVING PROTECTION - Electronic throttle control system achieves the best torque output of the engine to ensure the safety of driving.
