1- Engine cover for GMC and Chevrolet From model 2007-2014 Used - Clean The engine cover is the plastic or metal piece that is installed over the engine, and it is often for appearance but has more than one benefit 👇 Most important benefits: 1. Improving appearance (decoration) • It gives the engine compartment a neat and clean look instead of exposed wires and parts. 2. Reducing noise • It helps slightly in reducing engine noise inside the hood. 3. Light protection • Protects some parts from dust and dirt. • Reduces direct water contact (but not complete insulation). 4. Heat regulation • It contributes slightly to heat distribution inside the engine compartment