SKU: 69457128285

2002 - 2021 Navistar International & GMC IC, 3000 Bus Chassis, CF550, CF600, 4100-4400, MV Series, HV Series, 7300-7700, Paystar 5000, 9100-9900, Lonestar, Prostar, LT, RH And 4500HD-6500HD Rear Leaf Spring 55-1217

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Description

2002 - 2021 Navistar International & GMC IC, 3000 Bus Chassis, CF550, CF600, 4100-4400, MV Series, HV Series, 7300-7700, Paystar 5000, 9100-9900, Lonestar, Prostar, LT, RH And 4500HD-6500HD Rear Leaf Spring 55-1217*Diagram Spring May Differ From Actual Spring* Number of Leaves 12 (10 2PD 2) Leaf Spring Width 3" A Leaf Spring Length: 30 1 4" B Leaf Spring Length: 30 1 4" C Leaf Spring Arch: 6 1 4" D Leaf Spring Pack Thickness: 6 5 8" Leaf Spring Capacity: 10,400 lbs. Leaf Spring OEM Number: 3534537C91 Leaf Spring Eye Bushings: Front HK 2 Rear HK 2 Radius Bushing RB 259 Leaf Spring Material: 6 . 499, 4 . 447, Pad 2 . 447, Radius Leaf 2 . 447 Location Rear Verify

  • *Diagram Spring May Differ From Actual Spring*
  • Number of Leaves - 12 (10/2PD/2)
  • Leaf Spring Width - 3"
  • A - Leaf Spring Length: 30-1/4"
  • B - Leaf Spring Length: 30-1/4"
  • C - Leaf Spring Arch: 6-1/4"
  • D - Leaf Spring Pack Thickness: 6-5/8"
  • Leaf Spring Capacity: 10,400 lbs.
  • Leaf Spring OEM Number: 3534537C91
  • Leaf Spring Eye Bushings: Front HK-2 / Rear HK-2 / Radius Bushing RB-259
  • Leaf Spring Material: 6/.499, 4/.447, Pad 2/.447, Radius Leaf 2/.447
  • Location - Rear


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

 

Leaf spring 55-1217 is the rear leaf spring on Navistar International Terrastar; IC Bus AC And AE, CF500, CF600, 3200, 3300, IC CE, FC, HC, LC, 4100, 4200, 4300, 4400, MV607, MV607H, 7300, 7400, 7500, 7600, 7700, HV507, HV513, HV613, HV607, 8500, 8600, Paystar 5000, 9100-9900, Lonestar, Prostar, LT625 and RH613. Also fits Chevy and GMC 4500HD, 5500HD and 6500HD. The spring is 3" wide, is a 12 leaf spring with 2 pads and the capacity is 10,400 lbs. The OEM part number is 3534537C91.


Models And Year Ranges:

Fits: 2011-2021 Rear Navistar International Terrastar; IC Bus AC And AE

Fits: 2005-2010 Rear Navistar International CF500 And CF500 (Low Cab Forward)

Fits: 2005-2021 Rear Navistar International 3200, 3300 IC CE, FC, HC And LC Bus Chassis

Fits: 2002-2021 Rear Navistar International 4100, 4200, 4300, 4400, MV607 And MV607H

Fits: 2002-2021 Rear Navistar International 7300, 7400, 7500, 7600, 7700, HV507, HV513, HV613, HV607, 8500 And 8600; Transtar

Fits: Rear Navistar International Paystar 5000

Fits: 2002-2021 Rear Navistar International 9100-9900, Lonestar, Prostar, LT625 and RH613

Fits: 2018-2021 Rear Chevrolet And GMC 4500HD, 5500HD and 6500HD

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 69457128285

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4.1 ★★★★★
Based on 5 reviews
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Janessa L.
Lexington, US
★★★★★ 5
I want to live in these
Color: 01-multicolour (4-pack), Size: Medium
I bought 4 different sets of new underwear. Unfortunately these came last. It’s unfortunate, because if they had come first I would have cancelled all my other orders or returned them and ordered more of these. I never want to wear anything else ever again; these are the comfiest undies I’ve ever owned, I want to live in them. I can wear them under pretty much anything except leggings or very tight pants (but let’s be honest, I don’t wear those anyway.) They are incredibly soft and breathable, they wash well, don’t roll, keep my thighs from rubbing, are comfy to sleep in, and the colors were true to the photo. Just a heads up, they are on the thin side and just a bit see through in the rear. I’m 5’5” 140lbs and the mediums fit perfectly, they go about mid-thigh.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 30, 2025
P
Verified Purchase
Pistol King
Natrona Heights, US
★★★★★ 5
Extremely comfortable
Color: 02-multicolour (4-pack), Size: X-Large
These are by far the softest and most comfortable underwear I have ever owned. The leg portion absolutely does roll up as so many others have mentioned, however, I did not find that to be uncomfortable at all just annoying that they don’t stay in place. I bought these specific underwear to see if it would help alleviate HS symptoms at all. They have definitely helped with wicking moisture away from the skin. More time will tell if it’s truly helpful for HS. For now, I will recommend these. They are thin, breathable, butter soft, wick moisture comfortable and I would buy again…maybe in a different style next time. I have washed them several times and they seem to be holding up rather well so that is also of supreme importance given the cost of the item. Again, I would recommend this item and plan on purchasing more in a different style very soon.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 13, 2025
A
Verified Purchase
Amazon Customer
Natrona Heights, US
★★★★★ 3
Eaten by my Thighs
Color: 04-multicolour (4-pack), Size: X-Large
I wanted to love them. Sadly they have let me down. Pros: natural breathable fabric , super soft and comfortable, cotton panty gussets for feminine health and panty liners will stick!! Yay:). And the colors! They are great! But here’s the Con. And it’s the con of all cons. THEY RIDE UP!! Eaten by my thighs. I’m 5’6” and in the general area of 175. I fluctuate depending on how many times I visit the bakery! :) I don’t have a thigh gap but it is not a super tight thigh squeeze. I seldom have thigh climb but these do. I tried two different sizes to see if that made a difference. Nope. I was miserable at a recent theme park in these. I was wearing long heavy dresses and it was quite awkward to yank these legs down non stop. They feel amazing and they have all the requirements 1. Soft 2. Comfortable and stretches with you 3. Breathable with nice thin fabric. Not bulky 4. Natural fibers 5. Great colors If you are a person that is not blessed with Thunder Thighs, please order these. They are great! I wear them at home and to locations that I will not be doing a lot of walking at. I have washed them so many times and they look like new still.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 4, 2025
A
Verified Purchase
Ally Cat
Dallas, US
★★★★★ 5
Best Boxer Briefs for Women!
Color: 09-multicolour (4-pack), Size: Large
I rarely give 5⭐️’s but these deserve it! Hands down, the most comfortable material, stitching, waistband, moisture wicking and overall comfort. They sit right beneath my bellybutton, they wash and dry well and they’re sturdy. I have tried 3 styles and these are the best.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 7, 2026
L
Verified Purchase
Lisa Carlson
New York, US
★★★★★ 5
Comfortable
Size: Small, Color: B004
Great Value , Sizing is as marked. Great color and fit.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026

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