SKU: 65056267631

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

Sale price$152.37 Regular price$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: 65056267631

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Verucat
Grantham, US
★★★★★ 5
Yes!
Size: Medium
Durable. Squeak doesn't last forever with my aggressive chewers but crinkle does. Best balls.
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Reviewed in the United States on September 28, 2025
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JJ Fording
Houston, US
★★★★★ 5
Balls
Size: Medium
My dog loves chasing these balls. He seems to love the squeak! They fit the chuck it stick perfectly, and are great replacements for the originals that came with the stick.
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Reviewed in the United States on February 7, 2026
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Steve just Steve
Draper, US
★★★★★ 5
Nice set of balls
Size: Medium
The squeaker quickly became my dog’s favorite ball and has replaced the fuzzy tennis balls. My dog is a nonstop fetcher and these chuck it balls are durable and fun.
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Reviewed in the United States on January 9, 2026
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Claudia Garfield
Bozeman, US
★★★★★ 5
Perfect ball
Size: Medium
Our dog loves these!
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Reviewed in the United States on May 26, 2026
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Timothy john starkweather
Omaha, US
★★★★★ 4
Soild
Size: Medium
The orange and blue ball is perfect. Once start taken because the because the blue noisy one was a little to easy for my dog to start ripping pieces off. Will say most toys do not survive his chewing.
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Reviewed in the United States on January 24, 2026

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