Trailer Axle U-Bolt 3-1/2" Round - 7-3/4" Long - 9/16" Diameter - Raw Finish - 4200-1

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9/16 inch round trailer U-bolt part number 4200-1.


  • A - Thread Diameter: 9/16"
  • B - Axle Tube Size: 3-1/2"
  • C - Inside Length: 7-3/4"
  • Finish - Raw


Trailer axle U-bolts for any size or shaped axle. Spring Works manufactures 4200-1 U-bolts and can make any U-bolt up to 1". If your U-bolt is not listed here we'll make it. U-Bolts stretch when installed which helps retain they torque. We recommend you do not reuse old U-Bolts and replace them when a trailer axle service is performed.

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