The Multiquip 8973148962 is a genuine OEM Injection Pump Assembly DCA25USI 4LE2 designed for the DCA25USI ultra-silent diesel generator. As a direct OEM replacement sourced through Multiquip's authorized parts network, this assembly is built to the exact specification of the original component installed at the factory. Verified fitment for the DCA25USI platform means you can install with confidence and return the machine to service without guesswork.
Key Features
- OEM-Matched Fuel Delivery Spec — Engineered to deliver the precise injection timing and fuel volume required by the Isuzu 4LE2 engine, maintaining correct combustion performance throughout the generator's power range.
- Direct-Fit Replacement — Mounts to the 4LE2 engine using the original connection points and mounting positions, matching the OEM assembly it replaces on DCA25USI generators.
- Confirmed DCA25USI Fitment — Specifically referenced for the Multiquip DCA25USI ultra-silent diesel generator series, eliminating compatibility uncertainty when ordering.
- Restored Power Output Consistency — A worn or failing injection pump causes rough idle, loss of power, excessive smoke, and hard starting; this OEM assembly restores clean, consistent fuel delivery to bring output back to rated levels.
- Fuel System Integrity — Correct injection pressure and timing are critical to emissions compliance and safe engine operation on diesel-powered generators; an OEM-spec pump assembly supports both.
The injection pump assembly is the heart of the diesel fuel system on the Isuzu 4LE2 engine. It pressurizes and meters fuel, delivering precisely timed injection pulses to each cylinder so the engine can produce its rated power output efficiently and cleanly. When the injection pump wears or fails, symptoms include difficulty starting, uneven running, black or white exhaust smoke, loss of load capacity, and increased fuel consumption — all of which directly affect the generator's ability to supply stable power on the jobsite.
For questions about fitment or to confirm this is the correct part for your DCA25USI generator, contact the DHS Equipment parts team for assistance.
Part Details
| Part Number | 8973148962 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Injection Pump Assembly DCA25USI 4LE2 |
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.
Multiquip
Multiquip 8971433321 Injection Pump Assembly DCA25USI 4LE2
