9/16" Trailer U-bolt kit for 3.5" Tube 8000 lb Axles

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9/16" Trailer U-bolt kit for 3.5" Tube 8000 lb Axles

9/16" Trailer U-bolt kit for 3.5" Tube 8000 lb Axles

Regular price $79
Regular price $89.99 Sale price $79
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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.


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

This trailer axle U-bolt kit is designed for 8K axles, and it comes with everything you need to install your new leaf springs. If you're building a new trailer, then you'll have the U-bolts, plates, and hex nuts that you need to get the job done. You won't have to search for individual parts, or wonder if the parts you do have will work on your axle. At The Trailer Parts Outlet, we're here to help you find the right products at the right prices, so that you can get your trailer back on the road. Order your new U-bolt online today!


  • This kit has everything you need to mount your trailer's leaf springs to a 3 1/2" round axle
  • Spring seats required for mounting axle to leaf spring sold separately
  • Typically fits a 8000lb axle

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