GM Chevrolet EcoTec 5.3L L83 L8B Bare Intake Manifold W/ Hardware 2014 - 2023Condition: USED REBUILDABLE CORE The GM 12654946 Intake Manifold is designed for 5. 3L and 6. 2L engines specifically for models like the Sierra and Silverado with eAssist. This GM Genuine Part is engineered and to rigorous standards ensuring optimal performance and compatibility with GM vehicles. It enhances the engines efficiency by providing superior air flow essential for maintaining the power and fuel economy of your vehicle. The intake manifold