The Multiquip 8971491820 is a genuine OEM Fuel Pump Assembly designed for the DCA25USI ultra-silent diesel generator. Sourced directly from Multiquip, this assembly ensures full compatibility and meets the original build specifications for the DCA25USI platform. Whether you're restoring fuel delivery after a failure or completing a scheduled service, this part delivers the fit and function the machine was built around. Confirm your model code against 8971491820 before ordering to ensure proper application.
Key Features
- Genuine OEM Fuel Delivery Integrity — Engineered to the exact flow rate and pressure specifications required by the DCA25USI fuel system, ensuring consistent delivery to the Isuzu 4LE2 diesel engine.
- Direct-Fit Assembly — Mounts to the original fuel system brackets and connections on the DCA25USI without rework or adaptation to existing lines and fittings.
- Confirmed Fitment for DCA25USI — Verified for the DCA25USI ultra-silent diesel generator; check your model code before ordering.
- Protects Engine Load Performance — A properly functioning fuel pump maintains steady fuel pressure under sustained generator load, preventing lean-running conditions that cause engine hesitation or shutdown during critical power delivery.
- Fuel System Safety — An OEM-matched pump assembly preserves correct line pressure and seal integrity, reducing the risk of fuel leaks in an enclosed ultra-silent generator housing where ventilation is limited.
The fuel pump assembly is responsible for drawing diesel fuel from the tank and delivering it at consistent pressure to the engine's injection system. On the DCA25USI, which houses an Isuzu 4LE2 diesel engine within a sound-attenuated enclosure, steady fuel delivery is critical to maintaining stable output voltage and frequency under varying electrical loads. When this assembly weakens or fails, the engine may experience hard starting, rough running, power loss, or complete fuel starvation — all of which interrupt generator operation and can cause downstream electrical problems for connected equipment.
For questions about part fitment or to confirm compatibility with your specific DCA25USI serial configuration, contact the DHS Equipment parts team directly.
Part Details
| Part Number | 8971491820 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Fuel Pump Assembly |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA25USI |
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.