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Thumbnail Filmstrip of 56-3764-00: Replacement Control Board for Onan 300-3764, 300-5342 Images
Replacement Circuit Board for Onan Marquis Generator Models BGM, NHM
Flight Systems part number 56-3764-00 is an improved, direct replacement for the main control board used in several models of Onan Marquis Series Gen Sets.
Features include improved circuit and harness design, heavy duty relays, added ignition circuit voltage protection and heavy conformal coating (to protect against corrosion - a major enemy of any RV generator control).
It is built in the USA and backed by a 2-year Warranty.
This board replaces the following ONAN part numbers: 300-3764, 300-3764-01, 300-5342
These control boards were used in the following Onan Marquis RV Gen Set Models:
- BGM: Spec B,C,D,E,F
- NHM: Spec B,C,D,E,F
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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.