Donaldson exhaust mufflers are designed and tested to meet specific performance requirements for on-and-off-road applications in heavy-duty diesel-powered equipment.

Shop our Donaldson mufflers inventory at FinditParts, America's online marketplace for heavy-duty parts with part number lookup, cross-reference search, and more!

An exhaust system add-on used to capture sparks emitted from internal combustion engines through the exhaust system. All Donaldson models are U.S. Forest Service approved.

From the manifold to the exhaust stack, you’ll find Donaldson can be the best source for your exhaust system accessories. The system diagrams below represent typical components found …

From the manifold to the exhaust stack, you’ll find Donaldson can be the best source for your exhaust system accessories. The system diagrams below represent typical components found …

Donaldson upgrades and expands heavy-duty engine test cell capabilities; U.S. MSHA accepts Donaldson high temp exhaust filter. Donaldson expands OE emissions support with production …

Shop our Donaldson exhaust muffler inventory at FinditParts, America's online marketplace for heavy-duty parts with part number lookup, cross-reference search, and more!

Shop our Donaldson exhaust inventory at FinditParts, America's online marketplace for heavy-duty parts with part number lookup, cross-reference search, and more!

Donaldson is a leading supplier of exhaust systems, components and accessories designed for on and off road applications in heavy-duty diesel powered equipment.

Our exhaust ejector line offers three styles (expanded end, compact and standard styles), including a compact length tube for use in applications where space is limited.