Generac Throttle Control Motor OEM #10000024003

Restore precise automatic engine speed regulation to your Generac home standby generator with this Genuine OEM Throttle Control Motor (Part #10000024003). A factory-authorized Generac OEM part priced at $39.06 MSRP, this authentic replacement stepper motor is precision-manufactured to exact Generac factory specifications — delivering the correct step resolution, torque output, and electrical interface required for reliable, controller-directed throttle plate positioning on compatible Generac home standby generator models.

What the Throttle Control Motor Does:
The throttle control motor — also known as a stepper motor — is essentially the governor on select Generac generator units. There is no mechanical governor present; the stepper motor moving the throttle plates is what controls engine speed. Working in real time with the generator’s Evolution or Nexus control board, the throttle control motor continuously adjusts the carburetor throttle plates in precise incremental steps to maintain the correct engine speed — typically 3,600 RPM for 60 Hz output — regardless of whether the generator is running at no load or full load. This electronic speed governing system replaces the traditional mechanical flyweight governor and delivers tighter frequency regulation, faster load response, and more stable output voltage across varying electrical loads.

Signs Your Throttle Control Motor Needs Replacement:
Common symptoms of a failed throttle control motor include the generator running fine under small to no load, then displaying an under-speed error under load, with the throttle not moving enough to compensate — the stepper motor moves but not sufficiently to control engine speed correctly. Additional signs include:

• Generator overspeeds or underspeeds when loads are applied or removed
• RPM hunting, surging, or instability under steady load
• Generator fails to start — stepper motor not positioning throttle correctly during start sequence
• Under-speed or over-speed fault codes on the control panel
• During the start cycle, the unit should sweep test the throttle from full open to full closed — failure to complete this sweep indicates a failed stepper motor
• Throttle plates stuck in one position — no response to load changes

Diagnosing the Throttle Control Motor:
To test the stepper motor, unplug the stepper wire from the controller — it is a small plug with 5 wires. Place one test lead on the red wire and the other test lead on each of the other 4 wires and measure resistance. Resistance values significantly outside of factory specification indicate a failed stepper motor requiring replacement.

Key Features:

• Genuine Generac OEM part — not aftermarket or generic
• Factory-correct stepper motor providing precise, controller-directed throttle plate positioning
• Maintains factory-specified engine speed regulation for stable 60 Hz output under varying load conditions
• Exact electrical interface compatibility with Generac Evolution and Nexus generator control boards
• Restores proper speed governing function, eliminating under-speed/over-speed fault codes
• Durable OEM construction engineered for continuous automatic operation in home standby generator applications
• Direct OEM replacement — installs to factory specification

Compatibility:
This throttle control motor fits select Generac home standby generator models. Always confirm fitment using your Generac generator model and serial number — found on the data label on the generator enclosure — and cross-reference against your unit’s Illustrated Parts List (IPL) or service manual before ordering. Always refer to your owner’s manual for the correct part number for your specific model.

Part Details:

• Part Number: 10000024003
• OEM Brand: Generac
• Part Type: Throttle Control Motor (Stepper Motor)
• Application: Select Generac Home Standby Generators
• MSRP: $39.06
• Condition: New / Genuine OEM