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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 Donaldson is uniquely qualified to provide retrofit and first fit solutions to meet stringent diesel emission requirements. As emission regulations tighten, greater filtration performance will be required across the engine. We currently offer emission reduction solutions for in-use diesel engines like school buses, waste haulers and off-road equipment.
	Replacement Parts As part of our expanded focus on the exhaust market, over 250 part numbers have been added to the new Donaldson exhaust catalog. New parts include 30 new off-road mufflers and a wide variety of new clamps that are easier to install and have better sealing ability.