1982 - 2008 Kenworth W900B and W900L Front Leaf Spring - 3 Leaves - 59-524

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Kenworth front leaf spring part number 59-524.

  • *Diagram Spring May Differ From Actual Spring*
  • Number of Leaves - 3 (PD/3/SHOCK EYE)
  • Leaf Spring Width - 4"
  • A - Leaf Spring Length: 27-1/4"
  • B - Leaf Spring Length: 27-1/4"
  • C - Leaf Spring Arch: 5-13/16"
  • D - Leaf Spring Pack Thickness: 3-11/16"
  • Leaf Spring Capacity: 5,900 lbs.
  • Leaf Spring OEM Number: B81-1006
  • Leaf Spring Eye Bushings: Front TB-68 / Rear TB-68
  • Leaf Spring Material: PD/401 3/827 Shock Eye/499 Full Taper
  • Location - Front


Leaf spring 59-524 is the front leaf spring on Kenworth W900B and W900L heavy duty trucks. The spring is 4" wide, is a 5 leaf spring with 1 pad and a shock eye. The capacity is 5,900 lbs. and the OEM part number is B81-1006.

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