SKU: 42530056009

1981-2021 Navistar International & Caterpillar Paystar 5000, HX And 5870 Front Leaf Spring 55-976

Sale price$268.88 Regular price$298.75
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Description

1981-2021 Navistar International & Caterpillar Paystar 5000, HX And 5870 Front Leaf Spring 55-976* Diagram May Differ From Actual Spring* Number of Leaves 10 Leaf Spring Width 4" A Leaf Spring Length: 26 1 2" B Leaf Spring Length: 27" C Leaf Spring Arch: 4" D Leaf Spring Pack Thickness: 5 1 4" Leaf Spring Capacity: 10,600 lbs. Leaf Spring OEM Number: 1606839C91 Leaf Spring Eye Threaded Bushings: Front TB 26 Rear TB 26 Leaf Spring Material: 10 527 Location Front Verify the OEM part number and measurements to confirm compatibility before

  • * Diagram May Differ From Actual Spring*
  • Number of Leaves - 10
  • Leaf Spring Width - 4"
  • A - Leaf Spring Length: 26-1/2"
  • B - Leaf Spring Length: 27"
  • C - Leaf Spring Arch: 4"
  • D - Leaf Spring Pack Thickness: 5-1/4"
  • Leaf Spring Capacity: 10,600 lbs.
  • Leaf Spring OEM Number: 1606839C91
  • Leaf Spring Eye Threaded Bushings: Front TB-26 / Rear TB-26
  • Leaf Spring Material: 10/527
  • 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 55-976 is the front leaf spring for Navistar International Paystar 5000, HX615, HX620, COF6870 (6X4 and 6x6) and Caterpillar CT660 heavy duty trucks. The spring is 4" wide, is a 10 leaf spring and the capacity of the spring is 10,600 lbs. The OEM part number is 1606839C91.


Vehicle Models And Year Ranges:

Fits: From 1976 Front Navistar/International Paystar 5000 Series

Fits: 2016-2021 Front Navistar/International HX615 and HX620 (With Set Back Axle)

Fits: 1981-1986 Front Navistar/International COF6870 (6x4 and 6x6) (With Single Steer Axles)

Fits: 2012-2017 Front Caterpillar CT660

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Exchange/Return Notes
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SKU: 42530056009

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Amazon Customer
Fort Morgan, US
★★★★★ 3
Not well made
I have used these for 2 weeks now and one of them has a hole in the sole... I won't ever buy them again
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Reviewed in the United States on July 15, 2025
B
Verified Purchase
BZ
Grantham, US
★★★★★ 5
Very thin and comfortable. Wash well.
Very thin sock if that is what you are looking for. They stay up and wash well. There is a toe seam but you can position it out of the way
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Reviewed in the United States on July 10, 2025
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Verified Purchase
Amazon Customer
Fort Morgan, US
★★★★★ 5
Great quality!
Comfortable and stylish socks for a great price!
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Reviewed in the United States on May 9, 2025
B
Benjamin R. Styring
Phoenix, US
★★★★★ 5
So comfy and just the right size
These are the cutest most versatile socks. The weave is just right, not too thick or thin. They don't fall or shift down your heel while walking in shoes. They launder exceptionally well. The height on the ankle is perfect for jeans, business casual pants or a quick change into gym clothes. I need more.
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Reviewed in the United States on June 3, 2025
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KandK
Charlottesville, US
★★★★★ 5
Cute and comfortable
This six-pack of ankle socks is a great value. All of the colors are useful to me and go well with a variety of clothes. The ruffle around the top and the nice detailed knit pattern make them very cute! The fabric is stretchy and comfortable. Mostly cotton, they did seem to shrink a little bit in the wash (I machine-washed in cold water and tumbled dry on low) but they are stretchy enough that they still fit my size 8 feet just fine. See photo, brown are new, blue have gone through the wash.
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Reviewed in the United States on March 7, 2025

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