SKU: 4906612788

1970-2021 Navistar International & Caterpillar Paystar 5000, HX Series and CT Series Front Leaf Spring 55-1222

$152.37 $169.30
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Description

1970-2021 Navistar International & Caterpillar Paystar 5000, HX Series and CT Series Front Leaf Spring 55-1222* Diagram May Differ From Actual Spring* Number of Leaves 7 Leaf Spring Width 4" A Leaf Spring Length: 25" B Leaf Spring Length: 29" C Leaf Spring Arch: 5 3 4" D Leaf Spring Pack Thickness: 3 7 8" Leaf Spring Capacity: 8,000 lbs. Leaf Spring OEM Numbers: 1654696C91 and 3521859C91 Leaf Spring Eye Threaded Bushings: Front TB 26 Rear TB 26 Leaf Spring Material: 2 558 2 527 2ND 2 625 Shock eye 323 Location Front Verify the OEM part number and measurements

  • * Diagram May Differ From Actual Spring*
  • Number of Leaves - 7
  • Leaf Spring Width - 4"
  • A - Leaf Spring Length: 25"
  • B - Leaf Spring Length: 29"
  • C - Leaf Spring Arch: 5-3/4"
  • D - Leaf Spring Pack Thickness: 3-7/8"
  • Leaf Spring Capacity: 8,000 lbs.
  • Leaf Spring OEM Numbers: 1654696C91 and 3521859C91
  • Leaf Spring Eye Threaded Bushings: Front TB-26 / Rear TB-26
  • Leaf Spring Material: 2/558 2/527 2ND 2/625 Shock eye/323
  • 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 55-1222 is the front leaf spring for Navistar International Paystar 5000, HX515 and HX520. Also fits Caterpillar CT680 and CT681 heavy duty trucks. The spring is 4" wide, is a 7 leaf spring and the capacity of the spring is 8,000 lbs. The OEM part numbers are 1654696C91 and 3521859C91


Vehicle Models And Year Ranges:

Fits: 1970-1999 Front Navistar/International 5050SF - 5070SF With Set Forward Axle (28" From Bumper To Axle)

Fits: 2000-2016 Front Navistar/International 5500 and 5500i

Fits: 2016-2021 Front Navistar/International HX515 and HX520

Fits: 2012-2017 Front Caterpillar CT680 and CT681

Shipping Notes
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Exchange/Return Notes
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SKU: 4906612788

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4.3 ★★★★★
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Billy Ragsdale
Pawtucket, US
★★★★★ 5
These pillowcases are wonderful.
Color: Light Purple, Size: 2 Pack Queen(20x30)-Regular
I love my new pillowcases. They are cooling and easy to wash.
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Reviewed in the United States on June 4, 2026
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Kindle Customer
Draper, US
★★★★★ 5
Soft and cool.
Color: Cooling Blue Cover, Size: Queen (Pack of 2)
Love this pillow set. Comfortable addition and nice and cool at all times. Going to be great for when the hot weather hits
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Reviewed in the United States on June 8, 2026
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Anna T
Belleville, US
★★★★★ 5
As advertised for once! Lol
Color: Cooling Blue Cover, Size: Queen (Pack of 2), Color: Cooling Blue Cover, Size: Queen (Pack of 2)
Queen size set of 2 pillows, I'm giving it 5stars first bc it has a good length and width!! If you've ever bought memory foam pillows before you know some are small!! Anyways after having it for 5nights, we loved that me and my huddy could adjust the Thickness amount we had in it to our needs, me needing a thick pillow and my husband needing a flatter one. So this was perfect for that. So far its nice to sleep on, stays cool, doesnt get hot. I would say its on the frimer side but softer the more foam you take out! Really its just good for the amount you spend!! Will it last 10years probably not but what does now a days. This is the only time my huddy n I bought the same pillow and both love it so I'm just still in shock it worked out so well!!
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Reviewed in the United States on April 28, 2026
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Verified Purchase
Lana Cannon
Battle Creek, US
★★★★★ 5
Adjustable pillows
Color: Cooling Blue Cover, Size: Queen (Pack of 2)
I love these because they don't go flat. You can pull out whatever you need to make them comfy for you. They come in two different layers. So you have that protective cover over the main case that holds the memory foam. They're amazing to sleep on. I have had these last for years without going flat. If you hate flat pillows this is the way to go. They are very easy to wash. You just have to separate layers. They are very thick, you can adjust the thickness. Everyone in my house has at least one. They are worth the money. I have never had to replace them, because they went flat.
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Reviewed in the United States on May 6, 2026
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A
Phoenix, US
★★★★★ 4
Good pillows
Color: Cooling Blue Cover, Size: Queen (Pack of 2)
Takes some getting used to but and the cooling doesn’t last very long in my opinion, but overall amazing comfy pillows. The materials are good and are washable. I mostly stopped waking up with a stiff neck and back.
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Reviewed in the United States on April 20, 2026

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