Big Rig, Semi-Truck & Bus Reusable Air Filters Help Lower Maintenance Costs

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K&N Heavy Duty Diesel Air Filters

K&N air filters are built for performance, durability and longevity. They are world renowned for their superior quality and exceptional air flow for increased power. K&N continues to expand their product line into include a wide variety of vehicle applications. K&N now offers Heavy Duty (HD) Replacement Air Filters for Big Rig, Semi Truck & Bus applications. These filters are built using a hybrid filter material. This material utilizes both cotton and synthetic non-woven elements in order to provide exceptional filtration and air flow. Unlike conventional K&N reusable filters, an HD reusable air filter does not need oil. This makes them fast and easy to clean. Fast cleaning coupled with the fact that they are reusable makes them a favorite of owners for lowering maintenance costs.

K&N Heavy Duty Diesel Air Filters are made out of a hybrid filtration medium that is both washable and reusable

K&N Heavy Duty Diesel Air Filters are made out of a hybrid filtration medium that is both washable and reusable

K&N heavy duty air filters can be washed and cleaned to be reused over and over again. A K&N filter is definitely the smarter choice saving you money and time in the long run, while still providing great air flow and performance. K&N HD air filters are durable enough for washing with a pressure washer and the filter doesn’t have to be completely dry to be re-installed. Also if your rig’s air filter uses a metal canister there’s no need to purchase a new canister over and over.

Diesel bus, semi-truck and big rig drivers and owners now have options over disposable air filters. K&N’s HD commercial grade air filters have a heavy duty construction that provides extra strength for long life. The hybrid filter media has a layer of powder-coated aluminum screen wire on each side and a steel cage that protects the filter. Semi-Trucks are pushed with large loads and steep inclines up mountains while subject to all forms of weather. K&N heavy duty air filters are equally tough to provide superior air filtration for hundreds of thousands of miles helping to lower maintenance costs. These K&N diesel truck and bus filters come with a 3 year or 300,000 mile limited warranty.

K&N offers a variety of replacement air filters for big rigs, semi-trucks, and buses. In order to find big rig filters, semi-truck filters, diesel RV bus filters or any other filter for a heavy duty application, use your current air filter part as a cross reference search on or contact K&N for assistance.


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K&N Engineering in Riverside California is the world's leading manufacturer of washable performance air filters and air intake systems. K&N invented the reusable high flow cotton air filter in 1969 and has been perfecting the technology ever since. K&N is a world class filtration company selling air filters, oil filters, and intakes in over 30 countries. K&N sells over 5,000 products designed for cars, trucks, motorcycles, engines, and industrial applications. From their Million Mile Warranty to their Consumer Protection Pledge, K&N stands behind their products and their consumers 100%. The distinctive K&N logo represents performance from one of the original performance companies. For more information, visit