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Control Boards

300-1188 Replacement Module, Timer for Onan ATS

300-1188 Replacement Module, Timer for Onan ATS

Part #: 3001188-A
$229.95
New drop-in, direct replacement for Onan P/N 300-1188. Features include improved circuit design, heavy duty parts, added circuit protection, and heavy conformal coating (to protect against corrosion). more info
300-3121, Onan PCB

300-3121, Onan PCB

Part #: 300-3121
$473.62
PCB, 3PH Undervolt., Onan more info
300-5268-01 Control Board, Onan

300-5268-01 Control Board, Onan

Part #: 300-5268-01
$383.71
Call for Price
300-5268-01 Control Board, Onan   If 300-5268-01 is the part number on your board, you can use our after-market board with a three year warranty!   Click here. more info
300-5337-01 Control Board, Onan

300-5337-01 Control Board, Onan

Part #: 300-5337-01
300-5337-01 Control Board, Onan Our P/N 300533701 more info
The product is temporarily unavailable.Click here for possible replacement
3002510-A, PCB ASSY-ENG MONITOR

3002510-A, PCB ASSY-ENG MONITOR

Part #: 3002510-A
$461.50
PCB ASSY-ENG MONITOR 12 - Aftermarket Replacement This is a direct replacement for Onan P/N 300-2510.  The control has the same fit, form, and function as the original Onan part from... more info
3004155-a (300-4155) Control Board for Onan - KY Spec A3004155-a (300-4155) Control Board for Onan - KY Spec A

3004155-a (300-4155) Control Board for Onan - KY Spec A

Part #: 3004155-A
$269.00
Replacement Control Board, Replaces Onan 300-4155, Fits Onan KY Spec A Our replacement circuit board features a hard plastic case improving its durability and longevity far beyond that of the... more info
3005961-A Control Board, aftermarket for Onan

3005961-A Control Board, aftermarket for Onan

Part #: 3005961-A
$689.50
Exact Replacement for the Onan 300-5961, 327-1501, and 300-6001 Includes fault code system like the original Advanced detection system checks the conditions of your brushes, slip rings, and rotor... more info
327-1576 PC Board, replaces Onan 300-5428

327-1576 PC Board, replaces Onan 300-5428

Part #: 327-1576
$717.27
327-1576 PC Board, replaces Onan 300-5428 Also replaces 300-5046-01 the Genuine Onan more info
ATS Time Delay Board Replaces Onan # 300-0921 and 300-0922

ATS Time Delay Board Replaces Onan # 300-0921 and 300-0922

Part #: 30009210922-A
$219.00
New replacement timer board replaces both Onan # 300-0921 and 300-0922 in Onan transfer switches. Two Year Warranty!  These are obsolete through Onan, but we have this suitable aftermarket... more info
Board to replace 300-1073, 300-4950 - With Wiring HarnessBoard to replace 300-1073, 300-4950 - With Wiring Harness

Board to replace 300-1073, 300-4950 - With Wiring Harness

Part #: 30010734950WW-A
$160.76
Special - All replacement boards for Onan (Dinosaur brand) only $134.00. Three Year Warranty! NOTE: This board has the wiring harness with connector plug as shown. Also available with male... more info
Control Board

Control Board

Part #: HGJAA_PCB
Use 300-5374 for Gasoline/LP models that are  not  electronic fuel injection  (EFI). Use 300-5503 for Gasoline electronic fuel injection  (EFI). more info
Control board

Control board

Part #: BGM_NHM_PCB
For Spec A, there are two possibilities for the control board.  It is very important that you physically look at your existing board to determine which part # you need! Look on... more info
Control Board - Replaces Onan 300-3056, 300-3687, 300-3950

Control Board - Replaces Onan 300-3056, 300-3687, 300-3950

Part #: 30030563687-A
$149.95
Unsurpassed Three Year Warranty! Control Board - Replaces Onan 300-3056, 300-3687, 300-3687-01, *300-3950 * IMPORTANT: Onan part # 300-3950 is not a control board , but rather a KIT to convert... more info
Control board Replaces Cummins Onan 327-1413 and 300-5046Control board Replaces Cummins Onan 327-1413 and 300-5046

Control board Replaces Cummins Onan 327-1413 and 300-5046

Part #: 3271413-A
$389.00
Control Board for Onan RV Genset model KY, Beginning Spec J Reverse-engineered to be more reliable than the original!  Made in USA - Not China like the original! 2 year mfg. warranty -... more info
Control Board Replaces Onan # 300-3764, 300-3764-01, 300-5342-01

Control Board Replaces Onan # 300-3764, 300-3764-01, 300-5342-01

Part #: 3003764-A
$149.95
Unsurpassed Three Year Warranty! Control Board - Replaces Onan #: 300-3764, 300-3764-01, and 300-5342-01 Our Part # 3003764-A more info
Control Board Replaces Onan # 300-4901, 300-5337-01, 300-5337-02

Control Board Replaces Onan # 300-4901, 300-5337-01, 300-5337-02

Part #: 3004901-A
$149.95
Compare to other brands - Three Year Warranty! Control Board - Replaces Onan # 300-4901 and the following:   *300-5337-01 *300-5337-02 300-4901-01 300-4901-02 300-4901-03 ... more info
Control Board replaces Onan 300-2784-01, 300-2943-01

Control Board replaces Onan 300-2784-01, 300-2943-01

Part #: 30027842943-A
$149.95
Unsurpassed Three Year Warranty!  RV Generator Control Board Replaces the following Onan Control Boards: Includes FREE Bridge Rectifier worth approx. $25.00 extra if purchased from Onan.... more info
Control Board, Replaces Cummins Onan A032Y912 & A030H711Control Board, Replaces Cummins Onan A032Y912 & A030H711

Control Board, Replaces Cummins Onan A032Y912 & A030H711

Part #: A032Y912-A
$434.99
This is a New aftermarket "exact replacement" for Cummins Onan A032Y912 & A030H711 control module. Important: Designed to work with HGJAA, HGJAB, HGJAD, and HGJAE (Spec J and... more info
Control for Onan 300-0681, 300-0682

Control for Onan 300-0681, 300-0682

Part #: 30006810682-A
$309.00
This brand new reverse-engineered aftermarket auto start control has a 2 year warranty! Replaces these Cummins (Onan) numbers: 300-0681 / 3000681 (12V) 300D681 300-0682 / 3000682 (24V) 300D682 ... more info
Cummins Onan 300-5961 Control, HDK Series

Cummins Onan 300-5961 Control, HDK Series

Part #: 300-5961
$1,087.53
New genuine Cummins part. more info
Engine Control replacement for 300-2604 ONAN

Engine Control replacement for 300-2604 ONAN

Part #: 3002604-A
$197.70
New aftermarket PCB Control monitor is a direct replacement for ONAN® 300-2604.  This control is backed by a 2 year warranty.  Our part # is 3002604-A more info
Genuine 300-4320 Control Board, Onan KY Spec B-E

Genuine 300-4320 Control Board, Onan KY Spec B-E

Part #: 300-4320
$434.61
NEW GENUINE ONAN 300-4320 Control Board! Fits Onan KY Spec B-E  CLICK here for equal at lower price! 3004320 more info
Genuine 300-4923 Control Board, Onan KY Spec F-H

Genuine 300-4923 Control Board, Onan KY Spec F-H

Part #: 300-4923
$570.78
Genuine Onan # 300-4923 Control Board. Fits Onan Model KY Spec F-H For a new and improved version of this board, please view our aftermarket solution with a 2 year warranty here.   more info
Genuine Control Board Cummins Onan 300-5276-01

Genuine Control Board Cummins Onan 300-5276-01

Part #: 300-5276-01
$585.82
Note: You can substitute Dinosaur # 300-4902 for this Onan Board for only $132.00! New Genuine Control Board for Onan P/N 300-5276-01. Also replaces 300-4902, 300-4902-01, and 300-5276-02. Has 12... more info
Genuine Control Board for Onan P/N 300-5002-01

Genuine Control Board for Onan P/N 300-5002-01

Part #: 300-5002-01
$607.87
Control Board for Onan P/N 300-5002-01. This board is Genuine Onan. Replaces 300-4506   more info
Genuine Cummins A032Y912 Control BoardGenuine Cummins A032Y912 Control Board

Genuine Cummins A032Y912 Control Board

Part #: A032Y912
Genuine Onan Control Board A032Y912 for Cummins Onan Models HGJAA, HGJAB, HGJAD, and HGJAE (Spec J and after) Great News!  If your generator has a carbureted unit, click here as... more info
Genuine Onan Control Board 327-1413 (replaces 300-5046)Genuine Onan Control Board 327-1413 (replaces 300-5046)

Genuine Onan Control Board 327-1413 (replaces 300-5046)

Part #: 327-1413
$543.94
Available NOW! ~ CLICK HERE for replacement at lower cost!   Board for RV Genset model KY,  Begin Spec J   Has 23 pin connector on the bottom & heat sink on top. Original... more info
Housing, Connector, Onan 323-1312. (Part of 338-1775 harness)

Housing, Connector, Onan 323-1312. (Part of 338-1775 harness)

Part #: 323-1312
$4.72
This "empty housing" fits Onan 300-2784 and 300-2943 type control boards.  If you need the pins, you must buy 323-1302 pins seperately.  Takes a total of (8) pins. (The Onan... more info
New Generator Board for Onan 300-1227

New Generator Board for Onan 300-1227

Part #: 3001227-A
$106.88
Generator Board Replaces: Onan 300-1227     Match Onan's® part number to our part number Replaces: 300-1227 Three year warranty See our handy chart   more info
New PCB for Onan 300-4296, 300-4294, 300-2811, 300-2809

New PCB for Onan 300-4296, 300-4294, 300-2811, 300-2809

Part #: 3004296-A
$529.95
This new 12 volt engine control board replaces the following ONAN® part numbers: 300-4296, 300-4294, 300-2811, 300-2809, and 300-2807. Save $1500.00 over the Cummins / Onan price, and get a... more info
New PCB for Onan 300-4297, 300-4295, 300-2812, 300-2810

New PCB for Onan 300-4297, 300-4295, 300-2812, 300-2810

Part #: 3004297-A
$532.00
This new 24 volt engine control board replaces the following ONAN® part numbers: 300-4297, 300-4295, 300-2812, 300-2810, and 300-2808 Save $1000 - 1150.00 and get a better warranty! ... more info
New Replacement 12V control for Onan® 300-0679

New Replacement 12V control for Onan® 300-0679

Part #: 3000679-A
$274.95
Our p/n 3000679-A Replacement for Onan® Part Number 300-0679 12V Engine Control Monitor is reverse-engineered to be better!   Built in the USA and backed by a 2-year warranty! ... more info
New Replacement 24V control for Onan® 300-0680

New Replacement 24V control for Onan® 300-0680

Part #: 3000680-A
$269.75
Our p/n 3000680-A Replacement for Onan® Part Number 300-0680 24V Engine Control Monitor is reverse-engineered to be better!   Built in the USA and backed by a 2-year warranty! Click... more info
Onan 300-5047 Premium Control, GenuineOnan 300-5047 Premium Control, Genuine

Onan 300-5047 Premium Control, Genuine

Part #: 300-5047
$869.76
Control Board, 300-5047, Cummins Onan OEM Fits Genset models HGJAD, HGJAE (Spec A through E) and HGJAF (Spec A through C). GREAT NEWS if your generator has a carburetor ! - CLICK HERE:  We also... more info
Onan 300-5047 Replacement Control, for carbureted models onlyOnan 300-5047 Replacement Control, for carbureted models only

Onan 300-5047 Replacement Control, for carbureted models only

Part #: 3005047-A
$436.00
Aftermarket replacement for Cummins Onan® 300-5047 This unit is designed to work with HGJAE & HGJAF Spec A-J - carbureted models only!!  If you have an EFI (electronic fuel injection)... more info
Onan 300-5374 Control Board, Fits some HGJAB, HGJAC modelsOnan 300-5374 Control Board, Fits some HGJAB, HGJAC models

Onan 300-5374 Control Board, Fits some HGJAB, HGJAC models

Part #: 300-5374
$591.29
This genuine Onan carb will work on both Carbureted units and EFI (Electronic Fuel Injection) units.  It fits the models of HGJAB (Spec A through E) and HGJAC (Spec A through C). We also... more info
Onan Control for KVD P/N 300-5299, replaces 300-3955 & 300-4456

Onan Control for KVD P/N 300-5299, replaces 300-3955 & 300-4456

Part #: 300-5299
$303.39
Control Board for Onan KVD, etc. P/N 300-5299. This is a brand new genuine Onan part. Replaces older part #'s 300-3955 and 300-4456. CLICK here for a direct after-market replacement with a 2... more info
PC Board for Onan 300-3763, 300-3763-01, 02, 03, 04, 300-5268-01PC Board for Onan 300-3763, 300-3763-01, 02, 03, 04, 300-5268-01

PC Board for Onan 300-3763, 300-3763-01, 02, 03, 04, 300-5268-01

Part #: 3003763-A
$149.95
Unsurpassed Three Year Warranty! Do you have this symptom? When you push in the start switch, the generator starts up, but dies as soon as you let go? You may have a defective voltage regulator... more info
PCB Replacement for Onan 300-2453

PCB Replacement for Onan 300-2453

Part #: 3002453-A
$669.00
Aftermarket PCB ASSY-ENGINE MONITOR Direct aftermarket replacement for Onan 300-2453.  This is an exact fit replacement, backed by a 2 year warranty.  more info
Replacement Control for Onan 300-5299 - 2 yr Warranty!

Replacement Control for Onan 300-5299 - 2 yr Warranty!

Part #: 3005299-A
$221.98
This is a new Improved replacement for the Cummins Onan 300-5299 and older 300-4456 RV Genset control This is a quality direct replacement for Onan P/N 300-4456 and 300-5299 used in several... more info
Replacement Control for Onan 300-5374 - Carbureted units only!Replacement Control for Onan 300-5374 - Carbureted units only!

Replacement Control for Onan 300-5374 - Carbureted units only!

Part #: 3005374-A
$412.50
This is a replacement control board for Cummins / Onan 0300-5374 and 300-5374.  However, it is only for use on Carbureted units.   If you have an EFI (Electronic Fuel Injection) unit, you... more info
Replacement for 300-4320 Control Board, Onan

Replacement for 300-4320 Control Board, Onan

Part #: 3004320-A
$219.00
This is a new improved replacement for Onan 300-4320.  This Control Board fits Microlite Model KY Spec. B-E and is built in the USA with top-quality materials More than just a replacement part,... more info
Replacement for Onan 300-4923 Control Board

Replacement for Onan 300-4923 Control Board

Part #: 3004923-A
$290.00
New improved replacement for Onan 300-4923 Control Board.  This new control has been re-designed and improved to eliminate known problems with the AC voltage sensing circuit that were frequent... more info