Wacker Neuson 5000409343 Speed Regulating Arm

The Wacker Neuson Speed Regulating Arm is a genuine OEM component designed for GB6000G and GS6000G series generators. As a direct OEM part, it is manufactured to the exact tolerances and geometry required for proper governor linkage operation, ensuring the arm seats and pivots correctly within the engine's speed control assembly. This part fits multiple GS6000G variants — including CE, LA, and CN configurations — as well as the GB6000G CE, making it a versatile stock item for service fleets running these generator models. Keep a verified Wacker Neuson part on hand and avoid compatibility guesswork when the machine needs to get back to work.

Key Features

• OEM-Matched Pivot Geometry — Manufactured to exact dimensional specs so the arm connects and articulates within the governor linkage the same way the original did, with no binding or slack.
• Direct Drop-In Replacement — Part number 5000409343 aligns with the original mounting points and linkage hardware, requiring no reworking of the surrounding throttle or governor components.
• Broad Generator Fitment — Confirmed compatibility across GB6000G CE and multiple GS6000G variants (CE, LA, CN), covering a wide range of Wacker Neuson generator configurations with a single part.
• Stable Engine Speed Control — A correctly functioning speed regulating arm keeps engine RPM consistent under load changes; a worn or bent arm causes erratic throttle response and unstable output frequency.
• Genuine Wacker Neuson Quality — Sourced directly from Wacker Neuson as an authentic OEM part, so material grade and component tolerances match the original production specification exactly.

The speed regulating arm is a critical link in a generator's governor system, connecting the engine's throttle control mechanism to the governor assembly that regulates engine speed. It translates the governor's response to load changes into physical throttle movement, keeping the engine running at a consistent RPM regardless of the electrical demand placed on it. When this arm becomes worn, bent, or damaged, the governor loses its ability to make precise adjustments — resulting in unstable engine speed, fluctuating output voltage and frequency, and potential damage to connected equipment or the generator itself.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

Why Buy From DHS Equipment

Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.

Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.