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Replacement Control Board, Replaces Onan 300-4155, Fits Onan KY Spec A

Our replacement circuit board features a hard plastic case improving its durability and longevity far beyond that of the original unit, which was protected only by a thin coating of rubber.

2 year warranty! 

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  • Part #: 3004155-A
  • Manufactured by: Cummins Onan

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