The Multiquip UN4 Nut 3/8" is a genuine OEM fastener designed for Multiquip trailer models including TRLR50WE, TRLR50XF, TRLR25US, and TRLR50XFE. As a direct factory replacement, this nut meets the exact specifications required to maintain proper clamping force and structural integrity on Multiquip trailer assemblies. Sourcing the correct OEM fastener ensures your trailer hardware stays secure and performs as originally engineered. Keep a spare on hand — fasteners like the UN4 are a simple fix that keeps your trailer in service.
Key Features
- Genuine OEM Specification: — Manufactured to the exact thread pitch and dimensional tolerances required for Multiquip trailer assemblies, ensuring consistent clamping load and fastener engagement.
- Direct Drop-In Replacement: — Matches the original 3/8" hardware configuration so it seats and torques correctly without rework or modification to existing mounting points.
- Broad Trailer Fitment: — Compatible with TRLR50WE, TRLR50XF, TRLR50XFE, TRLR25US, and Multiquip single axle trailer models.
- Structural Security: — A properly torqued fastener maintains joint integrity across trailer components; a loose, stripped, or mismatched nut can allow hardware to back off under road vibration and load cycles.
- Towing Safety: — Trailer fasteners are load-bearing hardware; using the correct OEM-spec nut helps ensure critical connections remain secure during towing and on-site use.
A nut is a threaded fastener that engages a bolt or stud to clamp two or more components together. On a trailer, nuts secure everything from axle hardware and coupler assemblies to frame brackets and tie-down points, making correct thread engagement and material spec essential. When a nut is stripped, corroded, or substituted with an incorrect size, it can lose clamping force over time — leading to loose joints, component movement, and potential hardware failure under the stress of towing.
Part Details
| Part Number | UN4 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Nut 3/8" |
Compatibility & Fitment
| Name | Model |
|---|---|
| Trailers | TRLR50WE |
| Trailers | TRLR50XF |
| Trailers | Trailers Single Axle |
| Trailers | TRLR25US |
| Trailers | TRLR50XFE |
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.