9/16" Trailer U-bolt kits for 3" Tube 5200 - 7000 lb Axles (Set of 2)

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9/16" Trailer U-bolt kits for 3" Tube 5200 - 7000 lb Axles (Set of 2)

SKU : 5207UBKT9/16-2
Regular price $70
Regular price $74 Sale price $70
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When ordering raw materials, you can expect minor rust and oils that will need to be cleaned upon arrival to you.


  • (8) 7 1/4" Long U-bolts
  • (4) U-Bolt plates for 1-3/4" or 2" springs
  • (16) 9/16"-18 Hex nuts
  • L=7" A=3" D=9/16"

If you have a new 3" round trailer axle, and you're trying to mount your new leaf springs, then this U-bolt kit is the perfect choice. The kit comes with the U-bolts, plates, and hex nuts that you need to install your springs successfully, and we can help you find the appropriate spring seats to complete the installation. This kit is ideal for 5.2K to 7K trailer axles, and we'll gladly answer any questions you have about it. If you're building or repairing a trailer, then shop online with The Trailer Parts Outlet today. We look forward to helping you!


  • This kit has everything you need to mount your trailer's leaf springs to a 3" round axle
  • Spring seats required for mounting axle to leaf spring sold separately
  • Typically fits a 5200-7000lb axle

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At The Trailer Parts Outlet, we provide the best information available about our product. We take quality seriously so you can have the right part first time around. If something is missing or if you need help with anything at all just let us know.