The Multiquip 0911802120 Hex Nut is a genuine OEM fastener designed for DCA400SSI4F series super-silent and diesel-powered generators, including the DCA400SSI4F, DCA400SSI4F3, DCA400SSI4F3PB, and DCA400SSI4F3PD variants. As a direct OEM replacement, it is manufactured to the same specification as the original hardware, ensuring proper torque retention and secure assembly throughout the generator's service life. Sourced directly through authorized Multiquip supply channels, this nut is the correct choice when restoring or servicing your DCA400SSI4F series unit.
Key Features
- Genuine OEM Fastener Grade — Manufactured to the exact thread pitch, dimensional tolerancing, and hardness specification of the original hardware used on DCA400SSI4F series generators.
- Broad DCA400SSI4F Series Coverage — Fits DCA400SSI4F, DCA400SSI4F3, DCA400SSI4F3PB, DCA400SSI4F3PD, and related Sunbelt-supplied variants within the super-silent generator lineup.
- Drop-In Installation — Matches the original thread form and drive profile, allowing straightforward installation without rework or thread chasing during service.
- Secure Clamping Force — Correct hardness grade ensures the fastener holds rated torque under the vibration loads typical of continuous generator operation, preventing loosening over extended run cycles.
- Authorized Multiquip Supply — Sold by DHS Equipment as a genuine OEM component, backed by Multiquip's parts network for traceability and consistent quality.
A hex nut is a threaded fastener used to clamp and secure components together as part of a bolted assembly. On generator equipment such as the DCA400SSI4F series, hex nuts are found throughout the machine — securing panels, brackets, engine mounts, alternator components, and exhaust hardware — and must maintain proper clamping force to keep critical systems aligned and tight during operation. When a hex nut is the wrong grade, worn, or cross-threaded, it can cause joints to loosen under vibration, leading to component misalignment, unwanted movement, or failure of the assembly it holds together. Using the correct OEM-specified fastener ensures the joint performs as the manufacturer intended throughout the service interval.
Part Details
| Part Number | 0911802120 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Hex Nut |
Compatibility & Fitment
| Name | Model |
|---|---|
| Super-Silent Generators | DCA400SSI4F3B |
| Super-Silent Generators | DCA400SSI4F3PD |
| Super-Silent Generators | DCA400SSI4F |
| Super-Silent Generators | DCA400SSI4F3 |
| Super-Silent Generators | DCA400SSI4F3PB |
| Super-Silent Generators | DCA400SSI4F3PD (SUNBELT) |
| Super-Silent Generators | DCA400SSI4F/4F3/4F3PB |
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.
