Description
56-4902-00: Replacement Circuit Board for ONAN Generators
Onan part numbers 300-4902 300-5276
This is an improved, direct replacement for the main control board used in several models of Onan Marquis Series Gen sets.
Features include improved circuit design, heavy duty relays, gold plated connector pins, lead-free RoHS compliant design 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.
