SKU: 87563117572

1978 - 2012 Navistar International 3000-8000, IC CE, 1400-1754, 1823-2674, 4500-4900 and 7100 Front Leaf Spring 55-140

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Description

1978 - 2012 Navistar International 3000-8000, IC CE, 1400-1754, 1823-2674, 4500-4900 and 7100 Front Leaf Spring 55-140*Diagram Spring May Differ From Actual Spring* Number of Leaves 6 (6 PD) Leaf Spring Width 3" A Leaf Spring Length: 25" B Leaf Spring Length: 25" C Leaf Spring Arch: 3 3 4" D Leaf Spring Pack Thickness: 3 1 16" Leaf Spring Capacity: 3,500 lbs. Leaf Spring OEM Number: 1661421C91 Leaf Spring Eye Bushings: Front RB 75 Rear RB 75 Leaf Spring Material: 6 . 423, Pad 1 . 499 Location Front Verify the OEM part number and measurements to confirm compatibility

  • *Diagram Spring May Differ From Actual Spring*
  • Number of Leaves - 6 (6/PD)
  • Leaf Spring Width - 3"
  • A - Leaf Spring Length: 25"
  • B - Leaf Spring Length: 25"
  • C - Leaf Spring Arch: 3-3/4"
  • D - Leaf Spring Pack Thickness: 3-1/16"
  • Leaf Spring Capacity: 3,500 lbs.
  • Leaf Spring OEM Number: 1661421C91
  • Leaf Spring Eye Bushings: Front RB-75 / Rear RB-75
  • Leaf Spring Material: 6/.423, Pad 1/.499
  • 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 55-140 is the front leaf spring for Navistar International 3000, 3400, 3600, 3700, 3800, IC CE, 1452-1754, 1823-1955, 2124-2155, 1400-1652, 2554-2674, 4500-4900 and 7100 . The spring is a 3" wide, is a 6 leaf spring with 1 pad and has a capacity of 3,500 lbs. The OEM part number is 1661421C91.


Models And Year Ranges:

Fits: 1978-1988 Front Navistar International 1452-1754 (5,000 lb. - 8,000 lb. Axles Only)

Fits: 1978-1988 Front Navistar International 1823-1955 (Except 4x4 And 6x6) (5,000 lb. - 8,000 lb. Axles Only)

Fits: 1978-1988 Front Navistar International 2124-2155 (5,000 lb. - 8,000 lb. Axles Only)

Fits: 1989-2004 Front Navistar International 3000, 3400, 3600, 3700 And 3800 (6,000 lb. - 8,000 lb. Axles Only)

Fits: 2000-2004 Front Navistar International IC CE (6,000 lb. - 8,000 lb. Axles Only)

Fits: 1987-2012 Front Navistar International 1400-1652 (6,000 lb. - 8,000 lb. Axles Only)

Fits: 1989-2002 Front Navistar International 2554-2674 (6,000 lb. - 8,000 lb. Axles Only)

Fits: 1989-2002 Front Navistar International 4500-4900 (Except 4x4 And 6x6) (6,000 lb. - 8,000 lb. Axles Only)

Fits: 1989-2000 Front Navistar International 7100 (6,000 lb. - 8,000 lb. Axles Only)

Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 87563117572

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Troy D.
Phoenix, US
★★★★★ 3
Overall, not that comfortable!
Color: White, Size: Queen Size Set of 2
Only okay. I find these pillows to be heavy, and not very conforming. Overall, not that great.
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Reviewed in the United States on May 21, 2026
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Casandra
Cuba, US
★★★★★ 5
goose down pillows.
Color: White, Size: King Size Set of 2
Since receiving them, these king-size white goose down pillows have truly transformed my sleep. They are incredibly soft and fluffy to the touch, so plush it's hard to believe they hold their shape. Sleeping on them is like lying on a cloud. The 100% cotton cover adds extra comfort: it feels cool to the touch, breathes well throughout the night, and helps me maintain a comfortable temperature while I sleep. Furthermore, the "reinforced fiber" structure is noticeable: after several weeks of use, the pillows retain their support; they don't clump or lose their shape, ensuring consistently good rest. I find they have the ideal balance between firmness and softness: firm enough to support my neck and head, yet plush enough to adapt to my posture without creating pressure. This has improved my nights; I sleep more soundly and wake up with less stiffness in my neck. In short: these pillows combine luxury, comfort, and durability. If you're looking to improve your sleep quality with soft, firm, and breathable pillows—especially in king size—these are perfect. Definitely one of the best investments you can make for better sleep.
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Reviewed in the United States on November 30, 2025
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Daliana guerra
Boise, US
★★★★★ 5
Wonderful
Size: Cooling Queen, Size: Cooling Queen
I absolutely love these pillows From the very first night, I could feel the difference. They are incredibly comfortable, soft, and still provide great support for my neck and head. Plus, the modern design makes my bed look so much cleaner and more elegant. The fabric feels high quality, and the pillows keep their shape really well. I genuinely feel like I’m sleeping better since I started using them. Great value for the price, and I would definitely buy them again. Highly recommend
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Reviewed in the United States on May 27, 2026
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Jan Vyse
Los Angeles, US
★★★★★ 5
Great pillow
Size: Queen(Pack of 2)
Very comfortable pillows, medium softness with support
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Reviewed in the United States on May 18, 2026
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Lisa
Chelsea, US
★★★★★ 5
No more neck pain
Size: Queen(Pack of 2)
I needed new pillows and I’ll be the first to admit that I’m picky about my pillow. I had ordered different ones to try and these were the keepers. They are not too soft nor too firm. I wake up with neck pain and headaches if I don’t have a good pillow. I’m not experiencing any either one now. Make the purchase for yourself and try them.
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Reviewed in the United States on May 16, 2026

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