24-1/2" Trailer Leaf Spring - Slipper Flat End - 3 Leaves - 4331-7

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Slipper flat end trailer leaf spring part number 4331-7.

  • Number of Leaves - 3
  • Leaf Spring Width - 1-3/4"
  • A - Spring Length: 12-1/8"
  • B - Spring Length: 14-1/4"
  • C - Spring Arch: 4"
  • D - Stack Height: .79"
  • E - Eye to End Length: 24-1/2"
  • Eye Diameter: 9/16"
  • Leaf Spring Material: .262
  • Leaf Spring Capacity: 750 lbs.
  • Slipper End Type - Flat End
  • Alternate SKU UNA-178, UNA178, WE-3, WE3, 4331-07, 433107, UNA-203, UNA203, WE3 433107 UNA203, WE3433107UNA203, WE3433107, LR24503F, TS820-3, TS8203


Slipper Leaf Spring 4331-7 fits all types of trailers including utility, boat, travel, dump and horse trailers. This 4331-7 trailer slipper spring has a 9/16" ID nylon bushing installed on one end and a flat end slipper end on the other. Same as slipper spring part number UNA-178 and WE3. Measure along the surface of the leaf spring for the most accurate measurement. Eye to end measurements can vary over time due to the slipper spring flattening out. Contact the experts at Spring Works if you have any questions.

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