Flight Systems part number Model 305 is an improved, direct replacement for the voltage regulator used in several models of Onan Emerald, Marquis, and Microlite Series Gen Sets.
Pro tip: This is NOT "model 305-2.8" - very different products
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 can be rebuilt.
Replaces Onan 305-0809-01, 305-0851, 305-0782-01, 305-0826, 305-0830
It is built in the USA and backed by a 2-year Warranty.This regulator replaces the following ONAN part numbers: 305-0809-01, 305-0851, 305-0782-01, 305-0830-01, 305-0826* (*We also offer a metal-case "direct fit" replacement for Onan part number 305-0826 that mounts exactly the same as the original. Our standard Model 305 will function correctly in place of the 305-0826, but some mounting modification may be necessary).
These regulators were used in the following Onan Gen Set Models:
305-0809-01 used in Emerald RV Gen Set Models:
- BGE: Spec H thru N
- BGEL: Spec E thru N
305-0782-01 used in Emerald Gen Set Models:
- BGE: Spec F & G
- NHE: D thru G
- NHEL: Spec D, E & G
305-0851 used in Microlite Gen Set Models: