1991 - 2009 Navistar International 3900 And Amtran Genesis Bus Chassis Front Leaf Spring 55-1172

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Navistar International front leaf spring part number 55-1172.

  • Number of Leaves - 2 (2PD/2/3PD/BRACKET)
  • Leaf Spring Width - 3"
  • A - Leaf Spring Length: 30"
  • B - Leaf Spring Length: 28"
  • C - Leaf Spring Arch: 3-1/4"
  • D - Leaf Spring Pack Thickness: 5-1/2"
  • Leaf Spring Capacity: 6,350 lbs.
  • Leaf Spring OEM Number: 1690040C92
  • Leaf Spring Eye Bushings: Front RNG / Rear RNG
  • Leaf Spring Material: Pad 1/.423, Pad 1/.499, 2/1.250 Full Taper
  • Location - Front
  • Reuse Bottom Shock Bracket
  • Fits Vehicles Manufactured After June 25th 1991


Leaf spring 55-1172 is the front leaf spring on 1991 - 2009 Navistar International 3900 And Amtran Genesis Bus Chassis. The spring is 3" wide, is a 2 leaf full taper leaf spring with 5 pads and a bracket. The capacity is 6,350 lbs. and the OEM part number is 1690040C92.

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