Trailer U-Bolt Kit - 2" Square Axle - 9/16" Diameter 5-3/4" Length - Raw Finish - 4203

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Square trailer U-bolt kit part number 4203.


  • A - Thread Diameter: 9/16"
  • B - Axle Tube Size: 2" Square
  • C - Inside Length: 5-3/4"
  • Spring Width: 1-3/4"
  • U-Bolt Finish: Raw
  • Application: 2,000 lb. to 3,500 lb. Axle


Trailer U-Bolts for square axles, our 4203 U-Bolts are available for any trailer spring or axle application. If your U-Bolt is not listed we can make you a set. U-bolts are designed to stretch when installing to aid in torque retention. Upon removal they retain the stretch, therefore we recommend you do not reuse old U-Bolts.

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