Multiquip 0030016000 Hex Nut

The Multiquip 0030016000 Hex Nut is a genuine OEM fastener designed for the DCA Ultra-Silent and Super-Silent generator series, including a wide range of DCA and NGA models. As an authentic Multiquip replacement, this hex nut is manufactured to the same standards as the original hardware used during assembly, ensuring a consistent and secure fit across compatible generator platforms. Confirmed fitment spans models such as the DCA125SSIU, DCA150SSJU, DCA220SSJU, DCA300SSCU, DCA400SSI, DCA600SSK, DCA800SSK, MQP240, NGA100SSPUL, and many additional DCA series variants.

Key Features

• Genuine OEM Hardware Grade — Manufactured to the same material and dimensional specifications as the original fastener, ensuring consistent clamping force and thread engagement across DCA generator assemblies.
• Direct-Thread Replacement — Matches the original thread pitch and hex size, allowing straightforward installation without reworking mating components or hardware points.
• Broad DCA Series Compatibility — Fits a wide range of Multiquip Ultra-Silent and Super-Silent generators including DCA125, DCA150, DCA180, DCA220, DCA250, DCA300, DCA400, DCA600, DCA800, DCA1100, and NGA series models.
• Structural Integrity at Every Fastener Point — Using the correct OEM-spec hex nut maintains proper torque retention on critical generator panels, frames, and mechanical assemblies, preventing loosening under vibration.
• Electrical and Enclosure Safety Compliance — On generator enclosure and grounding assemblies, correctly spec'd fasteners are essential to maintaining secure connections; substituting incorrect hardware risks both mechanical and electrical integrity.

A hex nut is a standard six-sided threaded fastener used to secure bolts, studs, and other threaded components throughout a machine's frame, panels, and mechanical assemblies. On large diesel generators like the DCA series, hex nuts appear at hundreds of fastener points — from enclosure panels and mounting brackets to engine and alternator hardware. While a single fastener may seem minor, an incorrect thread pitch, undersized hex, or substandard material grade can lead to stripped threads, loosening under sustained vibration, or failure at a critical connection point. Using the correct OEM-specification replacement ensures the fastener performs as intended throughout the generator's service life.

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.