Uncertain if the problem is the Control Board, Voltage Regulator, or something else? Click here to download our handy OnanŽ RV Gen Set Troubleshooting Guide.
Flight Systems' Manufactured Replacement ONAN Generator Voltage Regulator
Flight Systems part number Model 305-3 is an improved, direct replacement for the voltage regulator used in certain models of OnanŽ Emerald and Microlite Series Gen Sets.
Features include improved circuit design, rugged weather-proof packaging and better heat dissipation (through gel encapsulation and larger internal heat sink). Unlike the epoxy encased originals, the Model 305-3 can be rebuilt.
It is built in the USA and backed by a 2-year Warranty.
This regulator replaces the following ONAN part numbers: 305-0809-03, 305-0866
Return Policy: Unwanted items may only be returned within 30 days of original purchase date. Refund/credit issued shall be less a $25 per item restocking/re-test fee as long as unit is in new, undamaged condition. Shipping charges are not refundable.