SKU: 82150283548

2006 - 2021 Kenworth & Peterbilt T400-T880, W900B-W990 And 357-587 Front Leaf Spring - 3 Leaves - 59-528

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Description

2006 - 2021 Kenworth & Peterbilt T400-T880, W900B-W990 And 357-587 Front Leaf Spring - 3 Leaves - 59-528*Diagram Spring May Differ From Actual Spring* Number of Leaves 3 (PD 3) Leaf Spring Width 4" A Leaf Spring Length: 27 1 4" B Leaf Spring Length: 32 3 16" C Leaf Spring Arch: 5 1 4" D Leaf Spring Pack Thickness: 3 5 8" Leaf Spring Capacity: 10,000 lbs. Leaf Spring OEM Number: B81 6018 001 Leaf Spring Eye Bushings: Front RB 308 Rear RB 308 Leaf Spring Material: PD 499 3 999 Full Taper Location Front Verify the OEM part number and measurements to

  • *Diagram Spring May Differ From Actual Spring*
  • Number of Leaves - 3 (PD/3)
  • Leaf Spring Width - 4"
  • A - Leaf Spring Length: 27-1/4"
  • B - Leaf Spring Length: 32-3/16"
  • C - Leaf Spring Arch: 5-1/4"
  • D - Leaf Spring Pack Thickness: 3-5/8"
  • Leaf Spring Capacity: 10,000 lbs.
  • Leaf Spring OEM Number: B81-6018-001
  • Leaf Spring Eye Bushings: Front RB-308 / Rear RB-308
  • Leaf Spring Material: PD/499 3/999 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 59-528 is the front leaf spring on Kenworth W900B, W900L, W990, T400, T440, T450, T470, T600, T660, T680, T800 and T880. Also fits Peterbilt 365, 367, 388, 389, 567 and 587. The spring is 4" wide, is a 3 leaf spring with 1 pad and has a capacity of 10,000 lbs. The OEM part number is B81-6018-001. Fits 14,600 lb through 24,000 lb axles only. Models with eyes both ends type springs. Springs in the same OEM number series are the same except for the bushing and all springs use a 2.08" diameter eye: RB-308 - 7 1/2" Long and RB-324 - 6 11/16" Long.

Models And Year Ranges:

Fits: 2006-2021 Front Kenworth T400, T440, T450, T470, T600, T660, T680, T800 and T880 (14,600 lb. - 24,000 lb. Axles Only)

Fits: 2008-2021 Front Kenworth W900B, W900L and W990 (14,600 lb. - 24,000 lb. Axles Only)

Fits: Front Peterbilt 365, 367, 388, 389, 567 and 587 (14,600 lb. - 24,000 lb. Axles Only) (Standard Axle Position)

Shipping Notes
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  • Except Preorder products are shipped in 48 hours.
  • Delivery 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: 82150283548

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4.5 ★★★★★
Based on 6 reviews
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K
Verified Purchase
Kevin
Birmingham, US
★★★★★ 5
Durable
Color: Nude, Size: Women 9-13
These are form-fitting and durable. Wearing these keeps the skin moisturizer in place so it can be effective.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 14, 2026
K
KN
Charlottesville, US
★★★★★ 5
Great Results
Color: White, Size: Women 9-13, Color: White, Size: Women 9-13
The Jfrhuds Moisturizing Silicone Socks work very well. I ordered the white 2-pack in the large size 9-13, and each came packaged in an individual zipper bag.  I wear a women's size 9-9.5, and they fit me perfectly.  I can see how they have enough stretch to fit larger sizes easily and comfortably. These socks are a lot thicker and heavier than I expected.  They are rubbery with non-slip treads on the bottom.  As soon as I put them on my feet, they actually felt very moisturizing and almost wet, even though I had not put moisturizer on my feet first.  Plus my feet felt cold at first. It was different than I expected, I had never worn this type of sock before, and it was an interesting sensation. They work great, and I am sold on the benefits of these socks.  I wear them to sleep at night and dodn't walk very far in them.  They seem pretty sturdy, but I don't want to push it and will just use them for their intended purpose.  My feet weren't super dry or cracked, but the socks really helped revive them and make them super soft again.  I love them; they are great for self-care and would also make a wonderful gift. 
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 20, 2026
M
Verified Purchase
Michael S. Johnson
Waukegan, US
★★★★★ 1
Not durable
Color: Nude, Size: Women 9-13
Only used two of them so far. One sock lasted nearly 3 wears. The other broke before I could finish wearing it the second time. Basically useless junk.
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Reviewed in the United States on April 2, 2026
A
annette rainville
Bozeman, US
★★★★★ 4
Thick Silicone Moisturizing Socks
Color: Nude, Size: Women 9-13, Color: Nude, Size: Women 9-13
★★★★☆ Thick Silicone Moisturizing Socks I ordered these silicone moisturizing socks to try for dry heels. Unlike typical fabric spa socks, these are made entirely of soft silicone and are noticeably thicker and very stretchy. When I first took them out of the package there was a visible fold line in the silicone. It appears to be from how they were folded in the packaging rather than a defect in the material. The silicone itself feels durable and flexible. The design works like a full silicone sleeve that traps moisturizer against your skin. I applied Aquaphor first and then slid these on so the moisture stays in contact with the skin longer. One thing I noticed right away is that the silicone feels cool when you first put them on, which is actually pretty comfortable. The bottoms have a zig-zag textured pattern that gives some grip if you need to stand briefly, though these seem better for relaxing while moisturizer absorbs rather than walking around much. The ankle opening is the tightest part of the sock. It stretches, but it’s noticeably snug compared to the rest of the silicone, which helps keep them from sliding off. For sizing reference, I wear a women’s 7.5–8 shoe and the size Large fits comfortably. There’s plenty of stretch and I can wiggle my toes easily, so they should accommodate larger feet as well. They’re also easy to clean. After using them you can simply wash them with soap and water and let them dry completely before storing or using them again. Overall these appear well made with thick silicone and plenty of stretch. If you use moisturizing socks or heel treatments, these work well for keeping lotion in place while your feet absorb it. Since this set comes with two pairs for about $10, the price seems pretty reasonable for something reusable like this.
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Reviewed in the United States on March 6, 2026
V
Verified Purchase
View from the hills
Draper, US
★★★★★ 5
Enables the person to move around while wearing.
These silicon socks look a bit odd at first glance but they work great and best of all, any lotions and oily creams are contained on the inside so you can walk around. They are very soft. I haven't had them long so I can't comment on durability, but they are not made of lightweight material.
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Reviewed in the United States on March 10, 2026

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