The Multiquip 6643664600 is a genuine OEM Regulator Assembly DCA-10SPX3 D1403/V2203 designed for the DCA10SPX3 diesel-powered generator. As a direct OEM replacement sourced through Multiquip's authorized parts program, this assembly is built to the exact specifications of the original component installed at the factory. Confirmed for the DCA10SPX3 generator platform, this part ensures your voltage regulation system performs exactly as engineered. DHS Equipment stocks this part to keep your generator returning to service without guesswork.
Key Features
- OEM Voltage Regulation Accuracy — Manufactured to the original output and sensing specifications of the DCA10SPX3 regulator circuit, maintaining stable voltage delivery under varying load conditions.
- Direct-Fit Replacement — Matches the original mounting configuration and electrical connections of the DCA10SPX3 platform, allowing straightforward installation without reworking wiring or brackets.
- Confirmed DCA10SPX3 Fitment — Engineered specifically for the DCA10SPX3 ultra-silent diesel generator equipped with the D1403 or V2203 engine variant.
- Protects Sensitive Electrical Loads — A correctly functioning regulator assembly keeps output voltage stable, protecting connected equipment from surges or voltage fluctuation that can damage loads.
- Electrical Safety Compliance — Using the correct OEM regulator assembly ensures the generator's voltage regulation circuit operates within its designed parameters, supporting safe operation on regulated worksites.
The voltage regulator assembly controls and stabilizes the electrical output of the generator by monitoring and adjusting the excitation current supplied to the alternator field winding. Without a properly functioning regulator, output voltage can fluctuate outside acceptable limits, causing damage to connected tools, lights, or sensitive equipment — and potentially tripping site protection systems. When a regulator assembly fails, symptoms typically include unstable voltage readings, under- or over-voltage conditions, or complete loss of usable power output, making timely replacement critical to maintaining reliable generator operation.
Part Details
| Part Number | 6643664600 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Regulator Assembly DCA-10SPX3 D1403/V2203 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA10SPX3 |
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.
