Multiquip RE549624 Fuel Rail

The Multiquip RE549624 Fuel Rail is a genuine OEM component designed for the DCA220SSJU4F ultra-silent diesel generator. As a direct OEM replacement sourced through Multiquip's authorized parts network, this fuel rail is manufactured to the exact specifications of the original part fitted at the factory. Verified fitment for the DCA220SSJU4F ensures a straight swap with no guesswork on compatibility.

Key Features

• Genuine OEM Fuel System Integrity — Manufactured to the exact pressure tolerances and port dimensions of the original fuel rail, maintaining correct fuel delivery across all injectors.
• Direct-Fit Replacement — Matches the original mounting points and fuel line connections on the DCA220SSJU4F, allowing straightforward installation without modification to the fuel system.
• Confirmed Fitment for DCA220SSJU4F — Engineered specifically for this Tier 4 ultra-silent generator model, eliminating the risk of cross-compatibility errors.
• Consistent Fuel Distribution Under Load — A correctly functioning fuel rail maintains stable rail pressure across injectors, supporting smooth, even combustion during sustained generator operation.
• Fuel System Safety — An OEM-spec fuel rail maintains sealed, pressure-rated connections throughout the high-pressure injection circuit, reducing the risk of fuel leaks in an enclosed generator canopy.

The fuel rail in a common-rail diesel engine is responsible for storing and distributing high-pressure fuel evenly to each injector. It acts as a pressure reservoir, smoothing out the pulses from the high-pressure fuel pump and delivering a consistent, measured supply to the injectors on demand. When the fuel rail develops a leak, becomes damaged, or loses its ability to hold stable pressure, engine performance suffers — symptoms can include rough running, misfires, hard starting, or a complete inability to reach rated output. On a generator like the DCA220SSJU4F, where steady power delivery is critical, keeping the fuel rail in serviceable condition is essential to reliable operation.

For fitment questions or to confirm this part is correct for your DCA220SSJU4F unit, contact the DHS Equipment parts team directly.

Part Details

Compatibility & Fitment

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.