1978 - 1988 Navistar International & Fire Apparatus S Series 2200-2600 Front Leaf Spring - 11 Leaves - 55-944

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Navistar International truck front leaf spring part number 55-944.

  • *Diagram Spring May Differ From Actual Spring*
  • Number of Leaves - 11
  • Leaf Spring Width - 4"
  • A - Leaf Spring Length: 25"
  • B - Leaf Spring Length: 29"
  • C - Leaf Spring Arch: 4"
  • D - Leaf Spring Pack Thickness: 5-1/2"
  • Leaf Spring Capacity: 9,100 lbs.
  • Leaf Spring OEM Number: 533563C91
  • Leaf Spring Eye Bushings: Front RNK / Rear RNK
  • Leaf Spring Material: 11/.499
  • Location - Front


Leaf spring 55-944 is the front leaf spring on 1978-1988 Navistar International S Series 2200 through 2600. Also fits Fire Apparatus Emergency One. Fits 16,000 lb. through 20,000 lb. axles only. The spring is 4" wide, is a 11 leaf spring and has a capacity of 9,100 lbs. The OEM part number is 533563C91.

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