2008-2010 Ford F350 Super Duty Rear Leaf Spring - 4 Leaves - 43-1705

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Ford rear leaf spring part number 43-1705.

  • *Diagram Spring May Differ From Actual Spring*
  • Number of Leaves - 4 (3/1)
  • Leaf Spring Width - 3"
  • A - Leaf Spring Length: 33-3/16"
  • B - Leaf Spring Length: 33-3/16"
  • C - Leaf Spring Arch: 6-1/4"
  • D - Leaf Spring Pack Thickness: 3-3/4"
  • Leaf Spring Capacity: 3,600 lbs.
  • Leaf Spring OEM Numbers: 9C345A975CA and 7C3Z5560DB
  • Leaf Spring Eye Bushings: Front RB-310 / Rear RB-309
  • Leaf Spring Material: 2/499 1/473 2ND 1/887
  • Location - Rear
  • With Dual Rear Wheels


Leaf spring 43-1705 is rear spring on 2008-2010 Ford F350 Super Duty 2 wheel drive and 4 wheel drive trucks. The rear spring is 3" wide, is a 4 (3/1) leaf spring and the capacity of the spring is 3,600 lbs. The OEM part numbers are 9C345A975CA and 7C3Z5560DB.

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