Supplied exclusively to Lincoln® and Miller® Welders, every Onan engine was built to exacting standards by a company with over 55 years of engine design experience. Although Cummins Onan no longer manufactures engines, Cummins Onan dealers and distributors nationwide will continue to support your engine with quality service and replacement parts.

Here at Mr. Cool we carry heat exchangers, transmission oil coolers , engine oil coolers , power steering fluid coolers , and fuel oil coolers built to the specifications of Onan engines.

We are always adding more Onan replacement parts to our website, so if you don't see the Onan part you are looking for, please click here to contact us, as we probably do have it in our warehouse.