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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. Whether you need a replacement muffler, total emission system design assistance, or looking for ways to improve product performance and durability--we’re ready today!

Emission Systems Emission Systems
Diesel engines are a reliable and efficient power source for vehicle and equipment manufacturers and depending on the age of the engine – emit harmful emissions into the air. Governmental regulations across the globe are driving diesel engine users to consider buying new vehicles or retrofitting their existing engines to meet the new requirements.
Donaldson takes a patented “total system approach” to retrofit – delivering solutions that reduce not just what comes out of your tailpipe, but offers a solution to eliminate emissions generated from the crankcase. We have CARB and U.S. EPA-verified solutions and an installation service network ready to help you select the best solution for your fleet. For school bus retrofit kits, click here.
Replacement Emission Systems Replacement Parts
For over 50 years, Donaldson has been a supplier of exhaust systems, components, and accessories for medium and heavy-duty diesel powered equipment. Our exhaust system product line includes the following and more.





Donaldson DYNAMIC™

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