The Multiquip RE543423 Fuel Injection Pump DCA70SSJU4i is a genuine OEM component designed for the DCA70SSJU4i ultra-silent diesel generator. Sourced directly from Multiquip, this pump meets the exact delivery pressure and timing specifications required to keep the DCA70SSJU4i running at rated output. If your generator is exhibiting hard starts, rough idle, loss of power, or excessive smoke, the part is the correct OEM replacement to restore proper fuel delivery. Confirm your model code against RE543423 before ordering to ensure a direct, compatible installation.
Key Features
- OEM-Matched Fuel Delivery Spec — Built to the exact injection pressure and flow rate required by the DCA70SSJU4i diesel engine, ensuring combustion efficiency is fully restored on installation.
- Direct-Fit Replacement — Mounts to the existing pump mounting points on the DCA70SSJU4i with no adaptation needed — bolt-on replacement using the original hardware and fuel line connections.
- Confirmed Fitment for DCA70SSJU4i — Engineered specifically for the DCA70SSJU4i ultra-silent diesel generator series; always verify your model code prior to ordering.
- Restores Rated Generator Output — A worn or failed injection pump starves the engine of precisely metered fuel, causing power drop and unstable frequency output; this OEM pump brings output back to specification.
- Fuel System Integrity — Precise metering and sealed internal tolerances help prevent unmetered fuel from entering the combustion chamber, protecting the engine from overfueling and carbon buildup.
The fuel injection pump is responsible for delivering a precisely measured, high-pressure charge of diesel fuel to the engine's injectors at the correct moment in the combustion cycle. On the DCA70SSJU4i ultra-silent generator, consistent fuel delivery is critical — any degradation in pump output directly affects engine speed stability, which in turn affects the generator's voltage and frequency output. When an injection pump wears, seals degrade, or internal tolerances drift, symptoms include difficulty starting, uneven idle, black or white exhaust smoke, and a measurable drop in power output, all of which can be traced back to incorrect fuel metering at the pump.
For fitment questions or help confirming that this part is the right part for your DCA70SSJU4i, contact the DHS Equipment parts team directly.
Part Details
| Part Number | RE543423 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Fuel Injection Pump DCA70SSJU4i |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA70SSJU4i |
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.
