SKU: 31008746804

1984 - 2021 Kenworth C500, C550B, K100E, T400, T450, T600 And T800 Front Leaf Spring - 3 Leaves - 59-446

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Description

1984 - 2021 Kenworth C500, C550B, K100E, T400, T450, T600 And T800 Front Leaf Spring - 3 Leaves - 59-446*Diagram May Differ From Actual Spring* Number of Leaves 3 (PD 3) Leaf Spring Width 4" A Leaf Spring Length: 32" B Leaf Spring Length: 32" C Leaf Spring Arch: 5 7 16" D Leaf Spring Pack Thickness: 3 7 16" Leaf Spring Capacity: 7,200 lbs. Leaf Spring OEM Number: HK481102190 Leaf Spring Eye Threaded Bushings: Front TB 68 Rear TB 68 Leaf Spring Material: PD 375 3 984 Full Taper Location Front Verify the OEM part number and measurements to confirm

  • *Diagram May Differ From Actual Spring*
  • Number of Leaves - 3 (PD/3)
  • Leaf Spring Width - 4"
  • A - Leaf Spring Length: 32"
  • B - Leaf Spring Length: 32"
  • C - Leaf Spring Arch: 5-7/16"
  • D - Leaf Spring Pack Thickness: 3-7/16"
  • Leaf Spring Capacity: 7,200 lbs.
  • Leaf Spring OEM Number: HK481102190
  • Leaf Spring Eye Threaded Bushings: Front TB-68 / Rear TB-68
  • Leaf Spring Material: PD/375 3/984 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 59-446 is the front leaf spring on Kenworth C500B, C550B, K100E Cab Over Engine, T400A, T400B, T450, T450B, T600A, T600B, T800 and T800B heavy duty trucks. The spring is 4" wide, is a 3 leaf spring with 1 pad and has a capacity of 7,200 lbs. The OEM part number is HK48110-2190.


Models And Year Ranges:

Fits: 1988-2021 Front Kenworth C500B and C550B

Fits: 1984-2003 Front Kenworth K100E Cab Over Engine (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:
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 31008746804

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4.3 ★★★★★
Based on 17 reviews
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SamsMommy
Pawtucket, US
★★★★★ 5
Great Quality, Perfect Fit
2015 Tacoma. This fit perfectly and is solid. Last/Different one I had on another vehicle broke one of my vent dividers. That can't happen with this design. Worth the money. Would absolutely recommend.
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Reviewed in the United States on April 3, 2026
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Verified Purchase
David
Carnegie, US
★★★★★ 5
Well build and functions nicely
The products build quality is excellent; in fact, its far superior to this product's competitor, "Batdiary". This mount stays locked in place when i use one hand to mount my phone or remove it. Also, the internal mechanism is much nicer than the Batdiary one and feels like it has tighter and more accurate machining tolerances which should prevent it from rattling like its competitor's did after a couple weeks use. I highly recommend this product, it is worth the high price tag!
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Reviewed in the United States on November 6, 2025
H
Verified Purchase
Hawapino
Lexington, US
★★★★★ 4
Buy once, cry once
This Offroam phone mount is not the cheapest option, but it is easily the most functional and sturdy one available, especially for second-generation Toyota Tacomas. I went through several plastic phone mounts before this and should have bought this one from the start to save both money and frustration. Installation was very simple, and it is even easier to use day to day. I like that this mount uses adjustable arms to grip the phone rather than relying on MagSafe. It keeps my phone secure even on rough terrain and offers plenty of flexibility for positioning the phone exactly where you want it.
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Reviewed in the United States on January 25, 2026
J
Verified Purchase
Jason Lefebvre
Boise, US
★★★★★ 5
Top notch mount with high build quality
I love it when I take a chance and spend some extra money hoping for a quality product - and it actually pans out. I bought this for my 2nd gen Toyota Tacoma (2014). The install was fast. Instructions were clear. The mount is ROCK solid and has two points of articulation so I can position my phone well. I couldn't ask for a better product. The price I paid was a little steep for a mount, but if you demand quality then look no further.
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Reviewed in the United States on October 21, 2025
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Michael
Cuba, US
★★★★★ 5
Must buy.
use this thing every day I combined it with a quad lock MagSafe compatible charger and I could not imagine my life without it makes charging and using Google maps so much easier. really easy install extremely sturdy and it fit perfectly.
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Reviewed in the United States on January 6, 2026

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