K&N HDT Heavy Duty Replacement Air Filter

• Boost the engine performance across your entire fleet with the enhanced airflow from K&N HDT Heavy Duty Replacement Air Filter, delivering that extra edge on the road or at the job site
• Maximize your engine's lifespan with superior filtration that blocks out harmful contaminants
• Toss out those costly replacements, and take advantage of the wash and reuse design
• Simplify maintenance that does not require any messy oil
• Drive with confidence knowing your investment is protected by a 36-Month/300,000 Mile Warranty

Tired of constantly replacing clogged air filters in your recreational vehicle, heavy-duty truck or agricultural equipment? This durable, reusable air filter provides exceptional engine protection and improved airflow. Ditch the dirt, and unleash the power of the K&N HDT Heavy Duty Replacement Air Filter, built specifically for your beast and its needs.

Frustrated with reduced engine performance and fuel economy due to a dirty air filter? Upgrade to the K&N Heavy Duty Air Filter to experience the difference. This heavy-duty replacement filter is engineered for power, and built to last.

The washable K&N HDT Air Filter requires no oil, making maintenance simple and mess-free.  Backed by a 36-Month/300,000 Mile Warranty, the K&N HDT Heavy Duty Replacement Air Filter offers a long-lasting, cost-effective solution for maximizing engine performance and lifespan.