SKU: 31335620349

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
  • Free Standard Shipping on $100+ Orders to the USA.
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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: 31335620349

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4.0 ★★★★★
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Nick Shaw
Dallas, US
★★★★★ 1
So Bad
Size: Medium/Large, Product Packaging: Standard Packaging, Size: Medium/Large, Product Packaging: Standard Packaging
Had high hopes for this toy as Kong is fantastic with aggressive chewers as or Lulu is. This toy didn't last 30 minutes before she was able to tear it apart. The rubber and plastic are not of the same quality on nearly all there other toys she has. Have found better toys for half the cost. Kong needs to do better.
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Reviewed in the United States on January 30, 2026
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Kelly Cole
San Leandro, US
★★★★★ 5
Best toys for active dogs
Size: Medium/Large, Product Packaging: Standard Packaging, Size: Medium/Large, Product Packaging: Standard Packaging
My dogs love these Kong toys. I have border collies. They are active and these toys go on ever walk, out to the pasture, they carry them everywhere! We like this toy as well As the Kong ball shown in the picture. Indestructible!
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Reviewed in the United States on January 13, 2026
D
Verified Purchase
dcp
Whiting, US
★★★★★ 5
Very cute, good quality
Style: Lambchop, Size: 10", Style: Lambchop, Size: 10"
Our Two year-old Great Pyrenees rescue loves her Lambchop. She’s fairly gentle with it, but it did accidentally rip so we had replace it since she loves it so much. No fault of the product. The product is very well made, She just got a little rough with it.
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Reviewed in the United States on April 27, 2026
E
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Em
Alexandria, US
★★★★★ 5
We <3 big lambchops
Style: White, Size: 24" Jumbo, Style: White, Size: 24" Jumbo
These are my vizsla's absolute FAVORITE toy. I mean, she doesn't leave the room without bringing at least one. We've bought several of these exact toys now and they're surprisingly durable- we've even put a few through the laundry. She loves to snuggle, nibble, and carry this toy like a security blanket. These are the big ones, so they get a little discolored from her grabbing them around the belly. The squeakers are pretty few and far between so it's generally not noisy unless she's super bored or excited. Get it, your dog will love it and they're cheaper than some of the small ones.
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Reviewed in the United States on March 7, 2026
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Nahlik
Boise, US
★★★★★ 5
A Classic Toy My Dog Can’t Get Enough Of!
Style: Blue Birthday Hat, Size: 10.5"
The Multipet Lamb Chop Dog Plush Toy (10.5”, Cream) is an absolute winner in our house! This adorable, nostalgic plush is just as cute as it is entertaining, and my dog fell in love with it the moment it came out of the package. Super Soft & Cuddly The material is extra plush and velvety, making it perfect for dogs who love to snuggle. It feels well-made and not scratchy like some cheaper toys. Squeakers That Keep Dogs Engaged There are multiple squeakers inside, and they’re loud enough to keep your dog excited but not obnoxious. My pup carries it around proudly and squeaks it nonstop. Great Size The 10.5” size is ideal for both small and medium to large dogs. Big enough to cuddle, small enough to toss around easily. Durable for a Plush Toy While it’s not built for heavy destroyers (no plush toy truly is), it holds up surprisingly well to daily play and lots of shaking. Overall: The Multipet Lamb Chop is a fantastic combo of cuddly plush and squeaky fun. Perfect for fetch, snuggles, or as your dog’s new favorite companion. If your dog enjoys plush toys, this is definitely one to grab. Highly recommended! 🐑🐶💛
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Reviewed in the United States on December 11, 2025

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