SKU: 51470028280

2007 - 2021 Navistar International 8500, 8600, Transtar, LH & RH Series, 9100, 9200, 9400, Lonestar, Prostar, 8200 and 8300 Front Leaf Spring - 2 Leaves - 55-1218

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Description

2007 - 2021 Navistar International 8500, 8600, Transtar, LH & RH Series, 9100, 9200, 9400, Lonestar, Prostar, 8200 and 8300 Front Leaf Spring - 2 Leaves - 55-1218*Diagram Spring May Differ From Actual Spring* Number of Leaves 2 (PD 2 PD) Leaf Spring Width 4" A Leaf Spring Length: 29" B Leaf Spring Length: 29" C Leaf Spring Arch: 3 7 8" D Leaf Spring Pack Thickness: 2 3 4" Leaf Spring Capacity: 5,350 lbs. Leaf Spring OEM Number: 3527263C91 Leaf Spring Eye Bushings: Front RB 253 Rear RB 253 Leaf Spring Material: Pad 1 . 323, 2 . 999, Pad 1 . 323 Full Taper Location Front Verify the OEM part number and

  • *Diagram Spring May Differ From Actual Spring*
  • Number of Leaves - 2 (PD/2/PD)
  • Leaf Spring Width - 4"
  • A - Leaf Spring Length: 29"
  • B - Leaf Spring Length: 29"
  • C - Leaf Spring Arch: 3-7/8"
  • D - Leaf Spring Pack Thickness: 2-3/4"
  • Leaf Spring Capacity: 5,350 lbs.
  • Leaf Spring OEM Number: 3527263C91
  • Leaf Spring Eye Bushings: Front RB-253 / Rear RB-253
  • Leaf Spring Material: Pad 1/.323, 2/.999, Pad 1/.323 Full Taper
  • Location - Front

 

Verify the OEM part number and measurements to confirm compatibility before purchasing. Need help? Visit: How to Identify a Leaf Spring.

 

Leaf spring 55-1218 is the front leaf spring on Navistar International 8200, 8300, 8500, 8600, Transtar, LH625, RH613, 9100, 9200, 9400, Lonestar and Prostar. The spring is 4" wide, is a 2 leaf full taper leaf spring with 2 pads, has rubber bushings and the capacity is 6,350 lbs. The OEM part number is 3527263C91.


Models And Year Ranges:

Fits: 2007-2021 Front Navistar International 8500 And 8600; Transtar

Fits: 2017-2021 Front Navistar International LH625 And RH 613

Fits: Front Navistar International 9100, 9200, 9400, Lonestar and Prostar (Conventional)

Fits: Front Navistar International 8200 And 8300

Shipping Notes
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Exchange/Return Notes
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SKU: 51470028280

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rez wolfe
Charlottesville, US
★★★★★ 5
Great undershirt!
Color: White, Size: Medium
Love the fabric, it's a great undershirt for year round comfort at the office.
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Reviewed in the United States on March 11, 2026
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Steven & Diane
West Palm Beach, US
★★★★★ 4
I have special needs so, please read my review.
Color: White, Size: X-Large
Edit I decided to wear it inside under my clothes as a liner, it shrank too short so not it is uncomfortable to tuck in after I hand washed and dried on delicate until half dry and hung. I will start for anyone that need a soft first layer try this shirt, it fits nicely and it doesn't pull under my arms, I have larger bust measurements compared to by rib cage. It is soft out of the bag and first wash came out nice ,( hand wash) The shirt is a perfect thickness for me! I loved it so much, EXCEPT for the inner arm seam, I so wish the arms were seamless, it was painful for ME, I have Fibromyalgia and this felt like torture by the end of the day, this was too bad for me because otherwise the shirt is GOLD. Buy the shirt I am going to try to scrub the seam and see if I can soften it up a bit . Maybe this company has a seamless version, I would love to know this.. I cannot comment of durability and washability,
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Reviewed in the United States on December 27, 2024
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Drazil1812
Louisville, US
★★★★★ 5
My favorite undershirt with boleros & crop tops
Color: Black, Size: Small
Not overly thick or thin - it’s just right for staying warm and wearing under crop tops and boleros. Form fitting but not uncomfortably snug. Great quality! I now own 3 and might get one more since I bought a bunch of new crop tops and boleros.
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Reviewed in the United States on February 3, 2025
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shoehog
Natrona Heights, US
★★★★★ 5
A T-Shirt to live in
Color: White, Size: X-Small
This crew neck if super soft and work really well under cashmere sweaters. Wish they came in more colors
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Reviewed in the United States on January 12, 2026
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Janice Wu
Charlottesville, US
★★★★★ 5
Great so far
Color: White, Size: X-Small
Loving this shirt so far, i just got it. It is soft and comfortable and I wish for more colors I wonder how it will do in the wash
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Reviewed in the United States on November 12, 2025

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