1978 - 2012 Navistar International 3000-8000, IC CE, 1400-1754, 1823-2674, 4500-4900 and 7100 Front Leaf Spring 55-140
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
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 87563117572

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A
Verified Purchase
Amazon Customer
Draper, US
★★★★★ 5
Beautiful shoe but too narrow
Size: 10 Wide, Color: Navy Grainy Leather
Too narrow
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
T
Verified Purchase
Tim Arnette
Lake Worth, US
★★★★★ 5
Looks good feels good
Size: 13 Wide, Color: Black
I've had them 2 weeks and love them. Took a little breaking in but they feel great now.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026
E
Verified Purchase
Elizabeth Henderson
Boise, US
★★★★★ 4
Very narrow
Size: 10 Wide, Color: Cognac
Run narrow. For very narrow feet. Wide width fits like a regular width.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 9, 2026
M
Verified Purchase
Mynx
Charlottesville, US
★★★★★ 5
Comfortable Shoes Right Out of the Box
Size: 9, Color: Black
I bought these shoes for my husband. He has a very hard time finding quality, comfortable shoes. These shoes are just as comfortable as his New Balance. He uses them as a dress shoe and wears them at least once a week. There was no break in period necessary. They were comfortable right out of the box! The only thing we didn't like was the white sole color. Once I knew he was going to keep them, I used a black sharpie marker to color the soles black. Instant amazing, comfortable dress shoes. They were well worth the cost. If you or your SO needs a comfortable pair of shoes, we highly recommend them.
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Reviewed in the United States on September 2, 2025
R
Verified Purchase
Rmanuel
Los Angeles, US
★★★★★ 1
Paid for new, received used.
Size: 9.5 Wide, Color: Cognac, Size: 9.5 Wide, Color: Cognac
Arrived dirty as if someone whore it for more than a few days. Maybe I was mistaken, but I saw nothing about “previously used” on the Amazon page. Returned it. I would suggest that the company use quality control when it comes to shipping. The shoes seem find otherwise. I ordered 9.5 and it was just a bit tight. If I reorder I will go for size 10.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 11, 2026

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