Multiquip 8972306241 Governor Assembly DCA-45USJ 4JG1
Multiquip

Multiquip 8972306241 Governor Assembly DCA-45USJ 4JG1

$1,035.45
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SKU:
8972306241-Multiquip
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The Multiquip 8972306241 Governor Assembly DCA-45USJ 4JG1 is a genuine OEM component designed for the DCA-45USJ ultra-silent diesel generator. This is a direct OEM replacement sourced through Multiquip's authorized parts network, ensuring the correct specification for the 4JG1 engine fitted to the DCA-45USJ. Confirmed fitment for the DCA-45USJ series keeps your generator running within its designed output parameters. If you are maintaining or restoring a DCA-45USJ unit, part number 8972306241 is the correct factory-specified assembly for this application.

Key Features

  • Genuine OEM Specification — Isuzu 4JG1-matched governor assembly built to the exact tolerances required for stable engine speed control in the DCA-45USJ.
  • Drop-In Replacement — Engineered to mount and connect exactly as the original unit, using the same attachment points and linkage geometry on the 4JG1 engine.
  • Confirmed DCA-45USJ Fitment — Verified for the DCA-45USJ ultra-silent diesel generator series; cross-reference part number 8972306241 before ordering.
  • Consistent Power Output — A properly functioning governor assembly maintains steady engine RPM under varying electrical loads, protecting connected equipment from voltage fluctuation.
  • Fuel System Integrity — Controls fuel delivery in direct response to load demands, so a worn or failed governor can cause surging, hunting, or uncontrolled over-speed conditions.

The governor assembly on the Isuzu 4JG1 engine regulates engine speed by automatically adjusting fuel delivery in response to changes in electrical load. When load increases and engine speed begins to drop, the governor increases fuel supply to restore the target RPM; when load decreases, it reduces fuel to prevent over-revving. A failed or worn governor assembly causes the engine to hunt, surge, or run at unstable speeds, which can damage connected equipment and shorten generator life.

Need help confirming this is the right part for your machine? Contact the DHS Equipment parts team with your model and serial number for verification before you order.

Part Details

Part Number8972306241
BrandMultiquip
Part TypeGenuine OEM
DescriptionGovernor Assembly DCA-45USJ 4JG1

Compatibility & Fitment

Name Model
DCA-45USJ DCA-45USJ

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.