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Hank F.
Hank F., Technician
Category: Small Engine
Satisfied Customers: 14923
Experience:  Certified on Onan and Generac generators
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I have an Onan MDKBN Cummins 11Kwatts generator. I believe a

Customer Question

I have an Onan MDKBN Cummins 11Kwatts generator. I believe a few of the impellers have been destroyed over time and have lodged into the heat exchanger, so I have been told. The generator runs hot and the captain of my boat has asked me to order a new heat exchanger. Exactly what part numbers should I be ordering ?
Submitted: 1 year ago.
Category: Small Engine
Expert:  Hank F. replied 1 year ago.
There were a couple of different heat exchangers used on the MDKBN series.What is the full model number of the genset?
Customer: replied 1 year ago.
Onan 11kw/220V Gen, 12 Volt Start. model 11MDKBN-5873F Seria No. F120347746
Expert:  Hank F. replied 1 year ago.
The part number for the heat exchanger you need is(###) ###-####02.You can order it from the distributor nearest you, right there in Australia. To find your nearest distributor, go to , select Australia from the Country drop down list, and insert your postal code.