Onan – Control Boards – A.S.A.P. Generator Parts

Onan 300-0733 Standard Cranker Control more info

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

PCB, 3PH Undervolt., Onan more info

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 Our P/N 300533701 more info

New, genuine Onan more info

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

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

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 Also replaces 300-5046-01 the Genuine Onan more info

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

Compare to other brands - Three Year Warranty! NOTE: This board has the wiring harness with connector plug as shown. Also available with male quick-connect "flag terminals" on the board.... more info

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

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

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 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

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

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

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

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

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

New genuine Cummins part. more info

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

NEW GENUINE ONAN 300-4320 Control Board! Fits Onan KY Spec B-E  CLICK here for equal at lower price! 3004320 more info

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

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

Control Board for Onan P/N 300-5002-01. This board is Genuine Onan. Replaces 300-4506   more info

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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