1978 - 2021 Freightliner Tandem Four Spring Suspension Rear Leaf Spring 55-129

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Freightliner rear leaf spring part number 55-129.

  • * Diagram May Differ From Actual Spring*
  • Number of Leaves - 9
  • Leaf Spring Width - 3-1/2"
  • A - Leaf Spring Length: 25"
  • B - Leaf Spring Length: 25"
  • C - Leaf Spring Arch: 2-11/16"
  • D - Leaf Spring Pack Thickness: 4-1/4"
  • Leaf Spring Eye Bushings: Front HK-2 / Rear HK-2
  • Leaf Spring Capacity: 8,360 lbs.
  • OEM Part Number: 1659948C91
  • Material: 9/473
  • Location - Rear

The 55-129 leaf spring fits the rear of 1978-2021 Freightliner Tandem Four Spring Suspension heavy duty trucks (all models). This spring is 3-1/2" wide, is a 9 leaf spring and has a capacity of 8,360 lbs. The OEM part number is 1659948C91.

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