Can't Find the Part Number on Your Board?

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	OEM Part Number	Description	FS Replacement Part #
	Onan 300-C859	GEN SET CONTROL	56-C859-00
	Onan 300-1073 300-B944 300-4950	RV GEN SET CONTROL	56-1073-00
	NEW! Onan 300-0679	ENGINE CONTROL MONITOR (12V)	56-0679-00
	NEW! Onan 300-0680	ENGINE CONTROL MONITOR (24V)	56-0680-00
	NEW!!! Onan 300-0681 300-0682 CUMMINS 151-0565	ENGINE CONTROL MONITOR (12/24 V)	56-0681-82
	Onan 300-1073 HARNESS	WIRING HARNESS	56-1073-HA
	Onan 300-1073 WITH HARNESS	COMPLETE ASSBY - BOARD W/WIRING HARNESS	56-1073-00 56-1073-HA
	Onan 300-1006 300-1404 300-1405 300-1540 300-1654	YD REGULATOR BOARD	56-1540-00 ("COMBO" UNIT; REPLACES 4 P/N SHOWN @ LEFT)
	ALSO: WESTERBEKE 21799	YD REGULATOR BOARD	56-1540-00
	MARINE/HARSH ENVIRONMENT	ENCAPSULATED YD REGULATOR	56-1540-ME
	Onan 300-2604 300-2605	ENGINE MONITOR (12V) & (24V)	56-0260-00 (SPECIFY VOLTAGE)
	NEW! Onan 300-2784 300-2943	RV GEN SET CONTROL	56-2784-2943
	NEW! Onan 300-3056* 300-3687 300-3950 *Please verify actual board P/N in gen set - many 3056 boards have been upgraded to the 300-3763	RV GEN SET CONT.	56-3056-00
	NEW! Onan 300-3763 300-5268	RV GEN SET CONT.	56-3763-00
	NEW! Onan 300-3764 300-5342	RV GEN SET CONT.	56-3764-00
	NEW! Onan 300-4901	RV GEN SET CONT.	56-4901-00
	Onan 332-1268	VR21 REGULATOR	56-1268-00
	Onan 332-1956	VR21 REGULATOR	56-1956-00
	Onan 332-2045	VR21 REGULATOR	56-2045-00
NOTE: When replacing Onan VR21 Controls, Flight Systems Technical Service recommends replacing the SCR Pack, which we now stock (below)
	NEW! M252612F	VR21 SCR PACK	56-1268/1956-SCR
	NEW! Onan 305-0688	ONAN MARINE VOLTAGE REGULATOR	56-1540-00 (MUST SEND TRAY ASSBY IN - NOT JUST BOARD - FOR IN-HOUSE CONVERSION)
	Onan 305-0809-01 305-0851* 305-0782-01 305-0826 305-0830-01 *NOTE: The FS Mod 305 will NOT work correctly in this model gen set: Microlite 4.0 KYFA Spec H	EMERALD-MICROLITE- MARQUIS SERIES RV GEN SET REGULATOR	MODEL 305
	NEW! Onan 305-0809-05	VOLTAGE REGULATOR FOR BGD, NHD (SPEC A-H) "COMMERCIAL" GEN SETS	MODEL 305-5
	NEW! Onan 305-0824	VOLTAGE REGULATOR	MODEL 440
	NEW! Onan 305-0826	Onan MARQUIS VOLTAGE REGULATOR ("EXACT FIT" METAL HOUSING)	MODEL 826
	NEW! Onan 305-0897, 305-0809-02, 305-0852, 305-0782-02, 305-0745-02	Onan 2.8 MICROLITE VOLTAGE REGULATOR	MODEL 305/2.8
	NEW! Onan 305-0911	Onan "COMMERCIAL" VOLTAGE REGULATOR (Used in bucket trucks & other commercial vehicles)	MODEL 911
	NEW! Onan 305-0982	VOLTAGE REGULATOR	MODEL 460