SKU: 9173429727

1984 - 2021 Kenworth C500, C550B, K100E, T400, T450, T600 And T800 Heavy Duty Front Leaf Spring 59-400HD

Sale price$217.97 Regular price$242.19
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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17

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Description

1984 - 2021 Kenworth C500, C550B, K100E, T400, T450, T600 And T800 Heavy Duty Front Leaf Spring 59-400HDNumber of Leaves 3 Leaf Spring Width 4" A Leaf Spring Length: 32" B Leaf Spring Length: 32" C Leaf Spring Arch: 4 15 16" D Leaf Spring Pack Thickness: 3 5 16" Leaf Spring Capacity: 8,750 lbs. Leaf Spring OEM Number: Replaces K223 1073 Leaf Spring Eye Threaded Bushings: Front TB 68 Rear TB 68 Leaf Spring Material: 4 . 788 Full Taper Location Front Verify the OEM part number and measurements to confirm compatibility before purchasing. Need help? Visit:

  • Number of Leaves - 3
  • Leaf Spring Width - 4"
  • A - Leaf Spring Length: 32"
  • B - Leaf Spring Length: 32"
  • C - Leaf Spring Arch: 4-15/16"
  • D - Leaf Spring Pack Thickness: 3-5/16"
  • Leaf Spring Capacity: 8,750 lbs.
  • Leaf Spring OEM Number: Replaces K223-1073
  • Leaf Spring Eye Threaded Bushings: Front TB-68 / Rear TB-68
  • Leaf Spring Material: 4/.788 Full Taper
  • 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 59-400HD is the front heavy duty leaf spring on Kenworth C500, C550B, K100E (with set back axle), T400A, T400B, T450, T450B, T600A, T600B, T800 and T800B trucks. The spring is 4" wide, is a 4 full taper leaf spring and has a capacity of 8,750 lbs. Replaces OEM part number K223-1073.


Models And Year Ranges:

Fits: 1988-2021 Front Kenworth C550 and C550B

Fits: 1984-2003 Front Kenworth K100E (With Set Back Axle)

Fits: 1988-2003 Front Kenworth T400A, T400B, T450 and T450B

Fits: 1985-2004 Front Kenworth T600A, T600B, T800 and T800B

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
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: 9173429727

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Hardtoplease
Dallas, US
★★★★★ 5
Tinned 14 AWG.
Size: 14 gauge silicone wire 10ft and 10ft, Color: silicone wire red and black
Tinned will not corrode as fast. Flexible and worked great for my purpose.
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Reviewed in the United States on January 20, 2026
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lori borger
Dallas, US
★★★★★ 5
OMG so much better than alternative products
Size: 14 gauge silicone wire 10ft and 10ft, Color: silicone wire red and black
went to my local box store and bought both multistrand and single strand to rewire a pedal. huge issues with flexibility. bought this product and ..what a pleasure. high quality, very very flexible and well packaged.
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Reviewed in the United States on July 4, 2024
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Kyle Seal
Pawtucket, US
★★★★★ 5
Worked good
Worked well on my 84 115 tower of power
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Reviewed in the United States on March 25, 2026
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Amazon Customer
Draper, US
★★★★★ 5
Good
Good
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Reviewed in the United States on March 30, 2026
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Sir Clicks-A-Lot
Port Orchard, US
★★★★★ 5
Great replacement parts!
Perfect fit for my 2003 Mercury Salt Water 150 2 stroke engine. Everything I needed was in the box.” “Good quality parts and saved me a lot compared to OEM.
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Reviewed in the United States on July 6, 2025

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