Even though the engine air filter is a small part, it shouldn't be overlooked. The engine air filter plays a vital role by keeping the air clean and circulating it properly through the mechanical system. A clean engine air filter provides many short-term and long-term benefits for your vehicle. This includes helping your engine run smoothly and efficiently by preventing the fuel lines from getting clogged. The engine air filter also allows sufficient volumes of air into the engine, which is vital for acceleration and internal combustions in the engine that keeps your car running.