Filters & Parts

1st Air

We invented the first engine air filter 100 years ago. Today we're still inventing the most effective filtration technologies.

Finding Filters is Easier than Easy

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Our Products

We deliver fuel, lube, coolant and air intake filters for diesel engines, hydraulic and bulk tank filtration – plus exhaust system components.

Why Choose Donaldson?

What REALLY separates one filter manufacturer from another? Is it quality...performance...service...value...a warranty you can really trust? With Donaldson, you don’t have to choose one over the other – because you get it all. There are no compromises.

Trusted Protection

Over 100 years ago – we invented the first air filter for a heavy-duty engine. Today, OE’s around the world trust us as a first-fit manufacturer of top-performing, highly-innovative filtration systems for a wide range of on- and off-road equipment.

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Hardworking Filters

We measure – and perform – to the most stringent quality standards in the industry. It’s something that simply comes standard with ALL Donaldson products.

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We’ve built a strong manufacturing and distribution network, so the filter or part you need is never far away. With more than 15 manufacturing plants in the Americas – and a centralized distribution center in Rensselaer, IN – if your distributor or dealer doesn’t have a part in stock, we can get it to them quickly.

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Real Support

Support begins and ends with people. We're told by our customers that we're the best in the industry on this measure. And there's a dedicated network of sales, technical and customer support people working diligently – every day – to make sure it stays that way.

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We've built one of the largest, strongest and most responsive distribution networks in the filter business. Because who you get your filters from locally can be as important as who manufactures them. You'll find Donaldson distributors and dealers to be proactive, responsive and there to help – day-in and day-out.

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Bottom line – any warranty is only as good as the company that’s standing behind it. At Donaldson, we understand that your vehicles and equipment are critical to your livelihood. We’re passionate about helping you protect your investment. We stand behind the products we sell and the engines they're used on.

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51,000 Reasons to Keep Running with Donaldson Filters

Donaldson Blue® air filters can cut maintenance downtime and filtration costs by up to 75 percent.

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Donaldson Blue® Fuel Filters for Cummins® QSK Engines

Discover how Donaldson Blue® filters deliver fuel that's 4x cleaner than the competitors' best.

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