2002 - 2021 Navistar International 7300-7700, HV507-HV613, IC 3000 Bus Chassis, 8500 And 8600  Front Leaf Spring - 2 Leaves - 55-1240
SKU: 98447650050

2002 - 2021 Navistar International 7300-7700, HV507-HV613, IC 3000 Bus Chassis, 8500 And 8600 Front Leaf Spring - 2 Leaves - 55-1240

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Description

2002 - 2021 Navistar International 7300-7700, HV507-HV613, IC 3000 Bus Chassis, 8500 And 8600 Front Leaf Spring - 2 Leaves - 55-1240*Diagram Spring May Differ From Actual Spring* Number of Leaves 2 (PD 2 2PD) Leaf Spring Width 4" A Leaf Spring Length: 25" B Leaf Spring Length: 29" C Leaf Spring Arch: 4 3 8" D Leaf Spring Pack Thickness: 2 5 8" Leaf Spring Capacity: 4,500 lbs. Leaf Spring OEM Number: 3533197C91 Leaf Spring Eye Bushings: Front RB 253 Rear RB 253 Leaf Spring Material: Pad 1 . 323, 2 . 788 Full Taper, Pad 2 . 323 Location Front Verify the OEM part number and

  • *Diagram Spring May Differ From Actual Spring*
  • Number of Leaves - 2 (PD/2/2PD)
  • Leaf Spring Width - 4"
  • A - Leaf Spring Length: 25"
  • B - Leaf Spring Length: 29"
  • C - Leaf Spring Arch: 4-3/8"
  • D - Leaf Spring Pack Thickness: 2-5/8"
  • Leaf Spring Capacity: 4,500 lbs.
  • Leaf Spring OEM Number: 3533197C91
  • Leaf Spring Eye Bushings: Front RB-253 / Rear RB-253
  • Leaf Spring Material:  Pad 1/.323,  2/.788 Full Taper, Pad 2/.323 
  • 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 55-1240 is the front leaf spring on Navistar International 8500, 8600, IC 3000 Bus Chassis, 7300, 7400, 7500, 7600, 7700, HV513, HV607 and HV613. The spring is 4" wide, is a 2 full taper leaf spring with 3 pads and has a 4,500 lb. capacity. The OEM part number is 3533197C91.


Models And Year Ranges:

Fits: 2002-2021 Front Navistar International 7300, 7400, 7500, 7600, 7700, HV513, HV607 and HV613 (10,000 lb. -14,000 lb. Non Driving Axles Only)

Fits: Front Navistar International IC 3000 Bus Chassis (10,000 lb. -14,000 lb. Axles Only)

Fits: 2002-2006 Front Navistar International 8500 And 8600: Transtar

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SKU: 98447650050

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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
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Netrunner
Birmingham, 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
Houston, 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
San Leandro, 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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Daniel Richman
Fort Morgan, US
★★★★★ 5
Get the larger one if you use more than a gallon a year.
Size: Single of 2.6 fl. oz, Number of Items: 1
Exactly as ordered. Price point is fine for mixing in 1 gallon of gas. I only use 1 gallon of this mix every year in my weed wackers.
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Reviewed in the United States on April 26, 2026

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