SKU: 9173429727

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

$217.97 $242.19
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  • USA
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Ships within 48 hours · Estimated delivery Aug 20 - Aug 25

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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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4.8 ★★★★★
Based on 7 reviews
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Product Reviews
B
Verified Purchase
Brett C Stutz
Massapequa, US
★★★★★ 5
Works great. Perfect position
Grip and charging are great. I like the position because it doesn't block my view or the vents
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 31, 2026
C
Cindy
Birmingham, US
★★★★★ 5
Great design. Love it.
I have been using this charger for several months now. I think the design is fantastic. I've seen other reviews which question the reliability of it. My experience has been the opposite. I have a folding phone so it's not light. The connection to the dash has remained intact without fail. I am careful when removing the phone. I don't just yank it off. It charges as it should. The magnetic force is what I expected. Holds my phone with no issues or concerns it could fail and drop the phone. It's super convenient to have this integrated design. My dash is already occupied with a portable android auto unit. My 4Runner is older and did not have that feature. Again, this is plastic. Handle it with some care and I don't see anyone having issues with breaking. It has worked out great for me. Recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 15, 2025
B
Verified Purchase
BeRock
West Palm Beach, US
★★★★★ 3
Great mount / Terrible charge rate
Love the mount. Easy to install and with a small piece of double sided tape under the top edge, it’s very secure… The magnetic mount is strong enough to hold an iPhone max (at least mine). The charging ability is where it falls short *BAD! It will charge but, barely.. If you’re using maps, making calls, etc.. the phone continues to drain at an alarming rate…
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 14, 2025
L
Verified Purchase
Lennie
Pawtucket, US
★★★★★ 4
Not suitable if you have a silicone case.
I'm waiting for delivery of new phone case, as the silicone one I have on my phone will not hold onto the magnet provided for this holder. Installation was a snap and I love how it looks in my car. Cost seems fair for the product. Fingers crossed that it will work fine once I get a new case.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 6, 2025
K
Verified Purchase
Kelly
Boise, US
★★★★★ 2
Charger portion stopped working twice now
Works well until it doesn't. Was excited to get the phone mount off the car vent but I have gone through one replacement already and now I'm past the point to completely return it. Twice now the charging portion has failed. The first one stopped lighting up completely with in about a week and now this one just constantly flashes and no longer charges after another few weeks. I have tried different cords and outlets in my car with no success. The magnet portion however is strong and does hold the phone well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 15, 2025

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