SKU: 8091182101

1988 - 2021 Navistar International 9700, 9800, 9100-9400, Lonestar, Prostar, 8200 and 8300 Front Leaf Spring - 2 Leaves - 55-144

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Description

1988 - 2021 Navistar International 9700, 9800, 9100-9400, Lonestar, Prostar, 8200 and 8300 Front Leaf Spring - 2 Leaves - 55-144*Diagram Spring May Differ From Actual Spring* Number of Leaves 2 (PD 2 2PD) Leaf Spring Width 4" A Leaf Spring Length: 29" B Leaf Spring Length: 29" C Leaf Spring Arch: 4 1 2" D Leaf Spring Pack Thickness: 2 7 8" Leaf Spring Capacity: 5,350 lbs. Leaf Spring OEM Number: 1664618C91 Leaf Spring Eye Threaded Bushings: Front TB 26 Rear TB 26 Leaf Spring Material: Pad 1 . 323, 2 . 815, Pad 2 . 401 Full Taper Location Front Second Design Verify the OEM part

  • *Diagram Spring May Differ From Actual Spring*
  • Number of Leaves - 2 (PD/2/2PD)
  • Leaf Spring Width - 4"
  • A - Leaf Spring Length: 29"
  • B - Leaf Spring Length: 29"
  • C - Leaf Spring Arch: 4-1/2"
  • D - Leaf Spring Pack Thickness: 2-7/8"
  • Leaf Spring Capacity: 5,350 lbs.
  • Leaf Spring OEM Number: 1664618C91
  • Leaf Spring Eye Threaded Bushings: Front TB-26 / Rear TB-26
  • Leaf Spring Material: Pad 1/.323, 2/.815, Pad 2/.401 Full Taper
  • Location - Front
  • Second Design


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

 

Leaf spring 55-144 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 2 leaf full taper spring with 3 pads, has threaded bushings and has a capacity of 5,350 lbs. The OEM part number is 1664618C91.


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

Shipping Notes
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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]
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SKU: 8091182101

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4.6 ★★★★★
Based on 7 reviews
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Hawaii Keith
Birmingham, US
★★★★★ 5
Great Addition!
Color: Black
Why did you pick this product vs others?: I just started a powdered drink routine recently and was having a difficult time mixing it with water. I would consistently end up with small nuggets of mix making it unenjoyable to drink. I knew I needed a mixer and was glad I found this device when I did. It works perfectly! I like the fact that it comes with its own stand and included two mixing heads. It is solid, well-designed, and you can feel the quality when you pick it up. The variable speed of the mixer is perfect for ensuring that everything is blended well. I haven’t used it to “froth” anything yet, at least not on purpose, but I accidentally found out that it can do that well. This is a great addition to our kitchen and is very easy to wash after use. So far…no issues. Highly recommend for those of you looking for the right tool to make sure those protein mixes aren’t full of unmixed nuggets.  
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Reviewed in the United States on June 21, 2025
S
Verified Purchase
Suzi blue
Whiting, US
★★★★★ 4
Low foam
Color: Black
Love this frother. It is great quality and the turn speed is amazing. My only issue is this. It comes w 2 wands and they are both singles. The single is great for stirring things up. It does not make a lot of froth and for some things it’s perfect but sometimes I like a lot of froth and I wish it either came w a single and a double or you could purchase a double separately to intermix. I don’t want to buy a whole other unit just for the double. I wrote to them bc the double frother they sell doesn’t look as good as this one but sometimes a girl needs a lot of foam and sometimes th stirring is perfect.
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Reviewed in the United States on February 20, 2026
A
Verified Purchase
Alan Smithee
Chelsea, US
★★★★★ 5
Strong and Quiet
Color: Lux Cardinal Red, Size: Rechargeable Z1 Motor Max
Better than I expected. Works in two modes. Makes mixing a breeze.
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Reviewed in the United States on May 23, 2026
K
Verified Purchase
Kindle Customer
Houston, US
★★★★★ 5
Powerful!
Color: Lux Galaxy, Size: Rechargeable Z1 Motor Max
This thing is powerful and works great! I was hesitant about some of the negative reviews, but this is worth it so far. I use it every day and haven't charged it in the week that I've had it. Some people complained about turning it off.... It's not that hard. Just hold the button down for a second or two and it shuts off, no fuss. If you tap/press the button you'll cycle through the next speed and then off. I only use the first speed to make my protein shake and matcha. I feel like the high speed would just whip everything to pure foam! I'm hoping this lasts me a long time.
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Reviewed in the United States on May 5, 2026
M
Verified Purchase
Michael Beineke
Houston, US
★★★★★ 5
WORTH YOUR MONEY IF YOUR SECOND GUESSING, DONT!
Color: Lux Alpha Black, Size: Rechargeable Z1 Motor Max, Color: Lux Alpha Black, Size: Rechargeable Z1 Motor Max
THIS IS THE BEST! High powered, EXCELLENT FOR PROTEIN DRINKS!!!! The quality is SOLID! Super easy to clean, frothing is a 10, easy to store. Great stability. Battery life seems good too! All around Best Buy! Worth your money.
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Reviewed in the United States on May 24, 2026

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