The Purolator PA40004 Air Filter is a high-quality replacement air filter designed for various car and truck models. Made by Purolator, a trusted brand in the automotive industry, this air filter fits part numbers such as A40004, AF4, CA160, 42020, 2020, and VA4. It is specifically designed to ensure maximum air and fuel delivery for optimal performance and efficiency, making it a reliable choice for maintaining the health of your vehicle's engine.