1988 - 2021 Navistar International 9700, 9800, 9100-9400, Lonestar, Prostar, 8200 and 8300 Front Leaf Spring - 3 Leaves - 55-120

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Navistar international front leaf spring part number 55-120.

  • *Diagram Spring May Differ From Actual Spring*
  • Number of Leaves - 3 (SHOCK EYE/3)
  • Leaf Spring Width - 4"
  • A - Leaf Spring Length: 29"
  • B - Leaf Spring Length: 29"
  • C - Leaf Spring Arch: 3-15/16"
  • D - Leaf Spring Pack Thickness: 2-13/16"
  • Leaf Spring Capacity: 6,350 lbs.
  • Leaf Spring OEM Number: 1653751C91
  • Leaf Spring Eye Bushings: Front TB-26 / Rear TB-26
  • Leaf Spring Material: Shock Eye 3/.788 Full Taper
  • Location - Front
  • First Design


Leaf spring 55-120 is the front leaf spring for Navistar International 9700, 9800, 9300, 9100, 9100i, 9200, 9200i, 9400, 9400i, Lonestar, Prostar, 8200 and 8300. The spring is 4" wide, is a 3 full taper leaf spring with a shock eye, has threaded bushings and the capacity is 6,350 lbs. The OEM part number is 1653751C91.


Models And Year Ranges:

Fits: 1988-1999 Front Navistar International 9700

Fits: 1996-1999 Front Navistar International 9800 (With Set Back Axle)

Fits: 1988-1999 Front Navistar International 9300 (With Set Back Axle)

Fits: 1989-2011 Front Navistar International 9100, 9100i, 9200, 9200i, 9400 and 9400i

Fits: 2007-2016 Front Navistar International Prostar

Fits: 2008-2021 Front Navistar International Lonestar

Fits: 1988-2000 Front Navistar International 1988-2000

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Quality: Lasts longer. High-quality, durable parts that can withstand use and wear over time.Performance: Performs better. Parts that enhance and maintain the performance of you vehicle. Correct fit and function as expected.Value for Money: Cost with quality balanced. No better products at any price point.Brand Reputation: 30+ years of customer satisfaction.

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