The Multiquip 1157232840 Spring Capsule Adj Gov DCA-45USJ 4JG1 is a genuine OEM governor adjustment spring capsule designed for the DCA-45USJ ultra-silent diesel generator. As a direct OEM replacement, this part is manufactured to the same specifications as the original component, ensuring correct governor response and stable engine speed regulation on your DCA-45USJ unit. DHS Equipment supplies this part direct, so you can be confident you are ordering the correct component for your machine.
Key Features
- OEM Spring Tension Integrity — Manufactured to original spring rate specifications, ensuring the governor capsule delivers the precise tension needed for accurate throttle response and engine speed control.
- Direct Drop-In Replacement — Engineered to match the original mounting configuration and capsule dimensions of the DCA-45USJ, allowing straightforward installation without additional modification.
- Confirmed DCA-45USJ Fitment — Verified for the Multiquip DCA-45USJ ultra-silent generator platform powered by the Isuzu 4JG1 diesel engine.
- Stable Power Output — A correctly functioning governor spring capsule maintains consistent engine RPM under varying load conditions, which is critical for delivering stable, clean electrical output from your generator.
- Genuine OEM Part — Sourced directly through Multiquip's authorized parts network, this component meets the same quality and material standards as the part originally installed at the factory.
The governor adjustment spring capsule plays a central role in your generator's speed regulation system. It works within the mechanical governor assembly to apply and maintain the correct spring tension that controls fuel delivery in response to engine load changes — keeping engine RPM steady whether the generator is lightly loaded or near full capacity. When this spring capsule weakens, loses tension, or fails, the engine may hunt, surge, or fail to hold a consistent speed, resulting in unstable voltage and frequency output that can damage connected equipment or cause the generator to shut down under load.
For fitment questions or to confirm this is the correct part for your application, contact the DHS Equipment parts team.
Part Details
| Part Number | 1157232840 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Spring Capsule Adj Gov 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.
