The Multiquip 8981008913 Throttle Assembly DCA40SSIU4F (4JJ1X) is a genuine OEM throttle assembly designed for the DCA-40 series ultra-silent generator. As a direct OEM replacement, this assembly is built to the exact specifications required by the Isuzu 4JJ1X engine platform, ensuring correct fit and proper integration with the fuel and governor systems on DCA-40 units. DHS Equipment sources this part directly through authorized Multiquip channels, so you can order with confidence knowing you are receiving the correct assembly for your machine.
Key Features
- OEM-Spec Throttle Control: — Engineered to the exact calibration required by the Isuzu 4JJ1X engine, maintaining proper airflow regulation and governor response under load.
- Direct Replacement for DCA-40: — Designed specifically for the DCA-40 ultra-silent generator series; installs into the existing throttle linkage and governor interface without modification.
- Engine-Specific Compatibility: — Matched to the 4JJ1X engine variant of the DCA-40SSIU4F configuration, eliminating guesswork when ordering for this specific platform.
- Consistent Power Output: — A correctly functioning throttle assembly maintains steady RPM under varying electrical loads, protecting connected equipment from voltage fluctuations caused by throttle lag or drift.
- Fuel System Integrity: — A worn or misaligned throttle assembly can lead to erratic engine speed, over-fueling, or governor hunting; replacing with this OEM unit restores proper closed-loop control.
The throttle assembly controls the volume of air and fuel entering the engine by regulating the throttle valve position in response to the governor's demand signal. On a generator like the DCA-40, where stable frequency and voltage output depend on consistent engine speed, the throttle assembly plays a critical role in maintaining that stability as electrical load changes. When this assembly wears or fails, symptoms typically include hunting RPM, poor load response, or the inability to hold a steady output frequency — all of which can damage sensitive connected equipment.
Need help confirming this part fits your specific DCA-40 unit? Contact the DHS Equipment team for fitment support.
Part Details
| Part Number | 8981008913 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Throttle Assembly DCA40SSIU4F (4JJ1X) |
Compatibility & Fitment
| Name | Model |
|---|---|
| DCA-40 | DCA-40 |
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.
