Onan 305-0854 Automatic Voltage Regulator AVR for Generator Set - Used

Onan-style automatic voltage regulator (AVR) board with heat sink, carrying factory label number 305-0854 and board number 0998-6857-01. Eight-position terminal strip legended FIELD (+/-), POWER AC, SENSE AC, and JUMPER, with a Volt. Adj. potentiometer and 50/60 Hz jumper selection.

Application: Generator-set voltage regulation. The donor generator set model, kW rating, and voltage are not verified from the unit itself — application must be confirmed against the OEM parts catalog using your generator set model, spec, and serial number.

Condition: Used, untested take-out. Dirty with shop grime and an oily film, light heat-sink scuffing; capacitors appear intact with no visible bulging or leakage. No bench or power-up test has been performed and no functional claim is made.

Buyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase. Used marine part sold as-is unless otherwise stated. No returns on electrical, used, special-order, or installed parts.

Quote is subject to final fitment confirmation by engine/transmission serial number, part number, photos, and supplier availability.