The Fleetguard AF435KM is a high-quality primary air filter designed to provide superior protection for heavy-duty engines. This genuine Fleetguard filter effectively removes harmful contaminants from the air intake, preventing premature engine wear and maintaining optimal engine efficiency. Engineered for durability and reliable performance, the AF435KM ensures clean air delivery to the engine, extending service intervals and reducing maintenance costs. It is a direct replacement for various OEM part numbers, ensuring a precise fit and reliable filtration.