ONAN 130-5139 - GASKET HEAT EXCH - Original OEM part

Heat Exchanger Gasket

How to find your Model & Spec Number

To order the correct Cummins Onan generator parts, you'll need to know the model and spec of your generator set.

The model and spec of the set are indicated on the nameplate. The spec is the letter at the very end of the model information. Depending on the age of your set, the spec may or may not be clearly identified for you. Here is an example of a nameplate for a model KY spec K: