Trailer Axle U-Bolt Kit - 1-3/4" Square Axle - 3/8" Diameter - 4-1/2" Long - Raw Finish - 4206

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Trailer U-bolt kit part number 4206.


  • A - Thread Diameter: 3/8"
  • B - Axle Tube Size: 1-3/4" Square
  • C - Inside Length: 4-1/2"
  • Spring Width: 1-3/4"
  • U-Bolt Finish: Raw
  • Application: 2,000 lb. Axle


Trailer U-Bolts for round or square axles, our U-Bolts are available for any trailer spring or axle application. All trailer axle U-bolt kits come with 4 U-bolts, 8 nuts, 8 washer, and 2 U-bolt tie plates. If your U-Bolt is not listed we can make you a set. U-bolts 4206 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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