3500 lb Trailer U-Bolt & Plate Kit – Fits 2-3/8" Round Axles
Part Number – UBK-3500-R
This complete U-bolt and plate kit is designed for standard 2-3/8" round 3500 lb axles. It includes everything required to secure the axle to your leaf springs — perfect for utility, cargo, landscape, and boat trailers.
All components are sized to OEM-spec dimensions and fit the majority of 1.75" wide leaf springs commonly used in 3500 lb axle assemblies.
What’s Included
| Component | Details | Qty |
|---|---|---|
| U-Bolts | 1/2" diameter 5-1/2" length Formed for 2-3/8" round axles |
4 |
| Locking Nuts | 1/2" fine-thread, zinc-coated | 8 |
| U-Bolt Plates | 4.75" × 3.75" Fits 1.75" leaf springs Appearance may vary slightly |
2 |
Specifications
| Specification | Detail |
|---|---|
| Axle Type | 2-3/8" Round (3500 lb) |
| Spring Compatibility | 1.75" Wide Leaf Springs |
| Material | Steel (raw or coated depending on batch) |
| Typical Use | Utility, cargo, landscape, and boat trailers |
One kit services a single axle. For tandem trailers, order two kits.
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