Multiquip 1157250170 Lever Supporting Governor DCA-45USJ 4JG1

The Multiquip 1157250170 Lever Supporting Governor DCA-45USJ 4JG1 is a genuine OEM component designed for the DCA-45USJ ultra-silent diesel generator. Sourced directly from Multiquip, this part matches the original specification for the 4JG1 engine governor assembly, ensuring a direct, hassle-free installation. Confirmed fitment for the DCA-45USJ series makes this the correct choice when restoring proper governor function to your generator.

Key Features

• Genuine OEM Construction — Manufactured to the exact tolerances required by the 4JG1 engine governor system, ensuring the lever engages and pivots correctly within the assembly.
• Direct-Fit Replacement — Engineered to the original mounting geometry of the DCA-45USJ governor linkage, dropping in without alteration or reworking of surrounding components.
• Confirmed DCA-45USJ Compatibility — Validated for use on the Multiquip DCA-45USJ ultra-silent diesel generator, eliminating guesswork when sourcing this critical engine component.
• Stable Engine Speed Control — A correctly functioning supporting lever keeps the governor mechanism operating smoothly, maintaining consistent RPM and stable power output under varying load conditions.
• Protects Against Uncontrolled Engine Speed — A worn or damaged supporting lever can cause governor slop or hunting, leading to erratic engine speed, voltage fluctuation, and potential damage to connected equipment.

The governor supporting lever is a pivot component within the engine's mechanical governor assembly. It transmits movement from the governor flyweights or spring to the fuel control linkage, allowing the engine to automatically adjust fuel delivery and maintain a steady output speed as load changes. When this lever is worn, bent, or broken, the governor loses its mechanical reference point, causing the engine to surge, hunt, or fail to hold the target RPM — problems that directly affect generator output quality and connected equipment performance.

For fitment questions or help confirming this part is correct for your DCA-45USJ, contact the DHS Equipment parts team directly.

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.