The Fleetguard AF978 is a high-quality primary air filter designed to deliver excellent filtration efficiency and protect heavy-duty engine components from harmful contaminants. This genuine Fleetguard filter ensures optimal engine performance and longevity by effectively removing dust, dirt, and debris from the air intake system. Engineered to meet or exceed OEM specifications, the AF978 provides reliable and consistent air flow, crucial for maintaining fuel efficiency and reducing engine wear in demanding operating conditions. It is a direct replacement for various applications, ensuring a perfect fit and easy installation.