Product Overview

On-road or off-road, in all kinds of operating environments, Donaldson air filtration technology protects engines, delivers longer filter life and gives you the confidence that comes with using the industry leader.

Donaldson filters work hard to remove harmful contaminants from your engine liquids. They enhance engine and equipment life and performance while protecting the environment. When you demand Donaldson for your liquid filtration needs, you get more than just a spin-on or cartridge filter. You have confidence that you are using a brand name the OEMs trust. For over 90 years, Donaldson has supplied filtration technology for diesel engines – with nearly 30 years of experience in liquid filtration. You get quality and value in aftermarket replacement filters with more up time.

Donaldson Thermo-Tech Heavy Duty Engine Coolant provides extreme protection for your engine - helping to keep today's hot-running engines cool and reducing downtime.
Our technology provides superior cooling capabilities in even the hottest and harshest environments, as well providing anti-freeze technology for the coldest of climates.

Donaldson provides a full line of industrial hydraulic filters for the protection of machinery and components in fixed and mobile applications. When you need filter housings, filter heads, replacement cartridges, low or medium pressure spin-on elements, or hydraulic accessories, turn to Donaldson.

Donaldson exhaust system products can be found as original equipment on a wide variety of diesel-powered vehicles and equipment. We're focused on developing integrated solutions to meet current and future regulatory standards around the world.