The Multiquip 1645451010 is a genuine OEM Injection Pump Assembly V1903 designed for equipment powered by the Kubota V1903 engine. As a direct factory replacement, this assembly restores proper fuel delivery to the engine and is built to the same specifications as the original unit. It is the correct specification part for V1903-powered Multiquip equipment, ensuring a straightforward swap with no guesswork on compatibility. Order with confidence knowing you are getting an authentic Multiquip component backed by OEM quality.
Key Features
- OEM Fuel Metering Precision — Manufactured to factory fuel delivery specifications for the V1903 engine, ensuring correct injection timing and fuel volume that aftermarket substitutes may not replicate.
- Direct-Mount Replacement — Engineered to match the original mounting configuration and port layout on the V1903 engine block, allowing a clean installation without machining or adapter fittings.
- V1903 Engine Compatibility — Confirmed fitment for Multiquip equipment equipped with the Kubota V1903 diesel engine platform.
- Sustained Engine Output — A properly functioning injection pump maintains consistent fuel pressure and spray pattern, preserving full engine power output and preventing rough running, hard starts, or excessive smoke.
- Fuel System Integrity — Using the correct OEM injection pump helps maintain proper system pressures critical to safe diesel engine operation, reducing the risk of uncontrolled fuel delivery or engine damage.
The injection pump is the heart of a diesel fuel system — it draws fuel from the tank, pressurizes it, and delivers precisely metered amounts to each injector at exactly the right moment in the engine cycle. On a Kubota V1903 engine, a worn or failing injection pump typically causes hard starting, loss of power, uneven idling, and increased fuel consumption. Replacing it with a correct OEM assembly like the Multiquip 1645451010 restores full fuel system function and protects downstream components such as injectors and seals from damage caused by erratic fuel pressure.
For questions about fitment or to confirm this is the right part for your machine, contact the DHS Equipment parts team for assistance.
Part Details
| Part Number | 1645451010 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Injection Pump Assembly V1903 |
Compatibility & Fitment
| Name | Model |
|---|---|
| V1903 | V1903 |
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.
