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Thumbnail Filmstrip of 56-4320-00: Replacement Control Board for Onan 300-4320 Images
Replacement Onan Control Board
An exact replacement for Onan P/N 300-4320, the 56-4320 control fits Microlite Model KY Spec. B-E and is built in the USA with top-quality materials. More than just a replacement part, this new control has been re-designed and improved to eliminate known problems with the AC voltage sensing circuit that were frequent with the original control. The module is environmentally sealed by encapsulation in an automotive-grade urethane, is 100% repairable, and features our standard two-year warranty.
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Return Policy: Unwanted items may be returned within 30 days of the original purchase date. Refund/credit issued will be subject to a 25% per item restocking/re-test fee as long as unit is in new, undamaged condition. Shipping charges are not refundable.