Multiquip 0030020000 Hex Nut

The Multiquip 0030020000 Hex Nut is a genuine OEM fastener designed for the DCA Super-Silent and Ultra-Silent generator series, including models DCA125SSIU4F, DCA125SSJU4I, DCA125USI3CAN, DCA125USJ, DCA150SSJU4F, DCA150SSJU4F3. As a direct OEM replacement, this hex nut is manufactured to the exact dimensions and material grade specified by Multiquip, ensuring proper torque retention and a secure fit without the guesswork. Sourced directly from Multiquip, this part is the same component installed during original equipment assembly. DHS Equipment stocks genuine Multiquip OEM parts so you can get the right component and get your generator back in service.

Key Features

• Genuine OEM Material Grade — Manufactured to Multiquip's exact thread specification, material hardness, and dimensional tolerances for full torque retention under load.
• Direct Assembly Replacement — Threads engage exactly as the original fastener, requiring no rethreading, adapters, or modification to surrounding hardware.
• Broad DCA Generator Compatibility — Fits an extensive range of Multiquip DCA Super-Silent and Ultra-Silent generator models, including DCA125, DCA150, DCA180, DCA220, DCA250, DCA300, DCA400, DCA600, DCA800, and DCA1100 series units.
• Secure Fastening Under Continuous Operation — A correctly torqued hex nut maintains structural integrity of generator panels, housings, and mechanical assemblies during sustained runtime and transport vibration.
• Fastener Failure Prevention — A stripped, corroded, or undersized replacement nut can back out under vibration, leading to loose assemblies and potential component damage; using the correct OEM part eliminates that risk.

A hex nut is a six-sided threaded fastener used to clamp two or more components together by mating with a bolt or threaded stud. In generator applications, hex nuts secure everything from access panels and mounting brackets to internal mechanical assemblies and electrical enclosure hardware. When a hex nut is worn, cross-threaded, or replaced with an incorrect grade, it can lose clamping force over time — especially under the constant vibration produced by a running generator — causing components to shift, loosen, or fail prematurely.

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.