Multiquip RE509794 Fuel Filter Head Assembly DCA-125USJ
Multiquip

Multiquip RE509794 Fuel Filter Head Assembly DCA-125USJ

$452.29
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SKU:
RE509794-Multiquip
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The Multiquip RE509794 Fuel Filter Head Assembly DCA-125USJ is a genuine OEM component designed for the DCA125USJ ultra-silent diesel generator. As a direct OEM replacement, this assembly is built to the exact specifications required by the DCA125USJ, ensuring a correct, trouble-free installation with no guesswork on fitment. Sourced from Multiquip's authorized parts supply, the part delivers the confidence that comes with using the same part the machine was built with.

Key Features

  • OEM Fuel System Integrity — Manufactured to the exact flow-rate and sealing specifications of the original assembly, maintaining the fuel delivery consistency the DCA125USJ diesel engine depends on.
  • Direct-Mount Replacement — Matches the original mounting ports, filter thread pattern, and fuel line connections of the DCA125USJ, so the assembly seats and torques correctly without adaptation.
  • Confirmed Fitment for DCA125USJ — Verified fit for the DCA125USJ ultra-silent diesel generator series, eliminating compatibility uncertainty before installation.
  • Protects Injectors and Fuel System Components — A correctly functioning filter head maintains proper fuel flow and filtration pressure; a failed or cracked head can allow unfiltered fuel to reach sensitive injection components, causing costly damage.
  • Fuel System Safety — A sound filter head assembly prevents external fuel weepage around the filter housing, reducing fire risk and keeping the generator operating within safe fuel containment standards.

The fuel filter head assembly serves as the central mounting and distribution point for the engine's fuel filtration system. It houses the filter element, directs incoming fuel through the filter media, and returns clean fuel to the injection system — all while maintaining a sealed, pressurized circuit. When the head cracks, warps, or develops a failed seal, fuel can bypass filtration entirely or leak externally, leading to injector wear, hard starting, and potential fire hazard on a working generator.

Part Details

Part NumberRE509794
BrandMultiquip
Part TypeGenuine OEM
DescriptionFuel Filter Head Assembly DCA-125USJ

Compatibility & Fitment

Name Model
Diesel Powered Generators DCA125USJ

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.