SKU: 93979660426

1987 - 2012 Navistar International 3000-3800, IC CE, 1400-1652, 2554-2674, 4500-4900 and 7100 Front Leaf Spring 55-1180

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Description

1987 - 2012 Navistar International 3000-3800, IC CE, 1400-1652, 2554-2674, 4500-4900 and 7100 Front Leaf Spring 55-1180*Diagram Spring May Differ From Actual Spring* Number of Leaves 2 (PD 2 PD) Leaf Spring Width 3" A Leaf Spring Length: 25" B Leaf Spring Length: 25" C Leaf Spring Arch: 4 11 16" D Leaf Spring Pack Thickness: 2 1 2" Leaf Spring Capacity: 3,500 lbs. Leaf Spring OEM Number: 1680499C91 Leaf Spring Eye Bushings: Front RB 75 Rear RB 75 Leaf Spring Material: Pad 1 . 625, 2 . 702, Pad 1 . 401 Full Taper Location Front 6,000 lb. 8,000 lb. Axles Only Verify the

  • *Diagram Spring May Differ From Actual Spring*
  • Number of Leaves - 2 (PD/2/PD)
  • Leaf Spring Width - 3"
  • A - Leaf Spring Length: 25"
  • B - Leaf Spring Length: 25"
  • C - Leaf Spring Arch: 4-11/16"
  • D - Leaf Spring Pack Thickness: 2-1/2"
  • Leaf Spring Capacity: 3,500 lbs.
  • Leaf Spring OEM Number: 1680499C91
  • Leaf Spring Eye Bushings: Front RB-75 / Rear RB-75
  • Leaf Spring Material: Pad 1/.625, 2/.702, Pad 1/.401 Full Taper
  • Location - Front
  • 6,000 lb. - 8,000 lb. Axles Only

 

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

 

Leaf spring 55-1180 is the front leaf spring for Navistar International 3000-3800, IC CE, 1400-1652, 2554-2674, 4500-4900 and 7100. The spring is 3" wide, has 2 leaf full taper leaf spring with 2 pads and the capacity is 3,500 lbs. The OEM part number is 1680499C91.


Models And Year Ranges:

Fits: 1989-2004 Front  Navistar International 3000, 4000, 3600, 3700 and 3800 Bus Chassis

Fits: 2000-2004 Front Navistar International IC CE Bus Chassis

Fits: 1987-2012 Front Navistar International 1400-1652

Fits: 1989-2002 Front Navistar International 2554-2674

Fits: 1989-2002 Front Navistar International 4500-4900 (Except 4x4 And 6x6)

Fits: 1989-2002 Front Navistar International 7100

Shipping Notes
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Exchange/Return Notes
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SKU: 93979660426

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JB
Phoenix, US
★★★★★ 5
Great oil mix
Size: 2.6 fl. oz (Pack of 12), Number of Items: 12
Sure saves time and money by combining the two products and since it’s synthetic oil it takes kess to do the job and as a bonus my equipment never smokes and upon teardown of my old blower it is cleaner than ever before with less wear!
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Reviewed in the United States on November 22, 2025
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Edward
Louisville, US
★★★★★ 5
Good oil and price
Size: Single of 2.6 fl. oz, Number of Items: 1
Good oil good price. †
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Reviewed in the United States on March 15, 2026
N
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Netrunner
Battle Creek, US
★★★★★ 4
Stinky, but Made in USA
Size: 2.6 fl. oz (Pack of 12), Number of Items: 12
I bought this product because it was one of the few 40:1/50:1 synthetic 2 cycle oils on Amazon. I have machines that take both, so it's a nice thing to have just 1 gas mix. Anyway, I'd say this product works. My leaf blower hasn't seized up or anything after hours of use, but this oil is noticeably more stinky than the last random, generic product I bought at the farm store. It's a kind of harsh pollution kind of smell. It's hard to describe. It doesn't put out a cloud of smoke. It's just stinky. Not the smell of what I'm familiar with the old, non-synthetic 2-cycle oils of the past. Anyway, I thought you should know. I gave this review an extra star for Made in USA.
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Reviewed in the United States on October 5, 2024
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Sabrina
Battle Creek, US
★★★★★ 5
Reasonable price
Size: Single of 13 fl. oz, Number of Items: 1
Great product
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Reviewed in the United States on March 10, 2026
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Allison Hanner
Lowell, US
★★★★★ 5
Worked great
Size: Single of 13 fl. oz, Number of Items: 1
That’s what I needed it to do
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Reviewed in the United States on May 12, 2026

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