Replacement Generator Control for Onan 300-3763, 300-5268

Replacement Generator Control for Onan 300-3763, 300-5268

Factory Direct Price: $119.00

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New Replacement Onan Generator Circuit Board

Flight Systems part number 56-3763-00 is an improved, direct replacement for the main control board used in several models of Onan Emerald and 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: 300-5268, 300-3763, 300-3763-01

These control boards were used in the following Onan Emerald RV and Commercial Gen Set and Models:

  • BGE: Spec H-M
  • BGEL: Spec H-M
  • BGD: Spec D-H*

They were also used in the following Marquis Gen Set Models:

  • NHM: Spec A

*If you are using this control in a model BGD or NHD generator, specs D-H, that has a built-in battery charger, please note:
You will have to remove a small jumper located on the top of this control board before installation. It is a very easy procedure, and detailed instructions are included with every purchase.

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.

Orders placed after 4pm Friday or during the weekend will ship the following Monday.

Orders ship from Pennsylvania