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Description
1982 - 2008 Kenworth W900B And W900L Front Leaf Spring - 4 Leaves - 59-440Number of Leaves 4 (PD 4 SHOCK EYE) Leaf Spring Width 4" A Leaf Spring Length: 27 1 4" B Leaf Spring Length: 27 1 4" C Leaf Spring Arch: 5 7 8" D Leaf Spring Pack Thickness: 3 11 16" Leaf Spring Capacity: 5,900 lbs. Leaf Spring OEM Number: K223 1273 30 Leaf Spring Eye Bushings: Front TB 68 Rear TB 68 Leaf Spring Material: Pad 1 . 499, 4 . 625 Full Taper, Shock Eye 1 . 499 Location Front Shock Eye Facing Opposite Of Wrapper Verify the OEM part number
- Number of Leaves - 4 (PD/4/SHOCK EYE)
- Leaf Spring Width - 4"
- A - Leaf Spring Length: 27-1/4"
- B - Leaf Spring Length: 27-1/4"
- C - Leaf Spring Arch: 5-7/8"
- D - Leaf Spring Pack Thickness: 3-11/16"
- Leaf Spring Capacity: 5,900 lbs.
- Leaf Spring OEM Number: K223-1273-30
- Leaf Spring Eye Bushings: Front TB-68 / Rear TB-68
- Leaf Spring Material: Pad 1/.499, 4/.625 Full Taper, Shock Eye 1/.499
- Location - Front
- Shock Eye Facing Opposite Of Wrapper
Verify the OEM part number and measurements to confirm compatibility before purchasing. Need help? Visit: How to Identify a Leaf Spring.
Leaf spring 59-440 is the front leaf spring on 1982 - 2008 Kenworth W900B and W900L heavy duty trucks. The spring is 4" wide and is a 4 leaf full taper spring with 1 pad and a shock eye facing opposite of wrapper. The capacity is 5,900 lbs. The OEM part number is K223-1273-30.
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4.6 ★★★★★
Based on 1466 reviews
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Product Reviews
★★★★★ 4
It works but not so sure about the EMI/RFI noise filtering claim
Color: Black, Size: 8 Outlet, Style: Outlets Only
I only buy surge protectors that have EMI/RFI noise filtering. I have a sensitive short wave radio with a sleep timer that I use when going to sleep. It has a rechargeable battery so you can either use it plugged in or on battery power. I've always had static on the radio when it was plugged into this surge protector. Cords generally do cause interference in radios so I thought nothing of it. But it started to get really bad. So I took one of my old tripplite surge protectors with emi/rfi noise filtering and plugged the radio into that. No static or interference on the radio at all. I went to APC's website to see if this model has EMI/RFI and it looks like it does....but it sure doesn't work well on mine.
I don't want to disparage APC. I have several of their surge protectors. Just bought the big P12U2 model they have and love that one. I think it just has better circuitry than this budget model. I'm using the P12U2 on my TCL 55" TV that was flickering and was glitchy turning on and off with a different surge protector from another company. Anyways, the ACP P12U2 works great and appears to have excellent noise filtering. Just wish the P12U2 had a flat plug because I bought it to use for my computer, but couldn't because I couldn't push my desk up against the wall with that straight out plug. Anyways, I've strayed.
This is a good basic surge protector I suppose. Would not recommend it for sensitive electronics prone to interference. Then again, maybe I just had a bad one, who knows. APC is a great brand. All my surge protectors are either APC or TrippLite. Can't go wrong either way.
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Reviewed in the United States on January 28, 2022
★★★★★ 5
Great surge protector
4 years later and still working as intended.
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Reviewed in the United States on March 22, 2026
★★★★★ 5
It Works
This works fine. Good size. Good enough cord length. Does what a power strip should do.
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Reviewed in the United States on March 21, 2025
★★★★★ 5
Great for multiple adapters
Color: Black, Size: 8 Outlet, Style: Outlets Only
One of the common flaws of single width strips is the inability to accommodate more than 1 adapter unless you want to waste the sockets as the adapter obstructs/covers
the adjacent sockets.
This one has 2 rows with sockets at 90 degrees. As such, adapters face outward and do not obstruct adjacent sockets. Well made and sturdy, typical of APC quality.
Hopefully the surge protection won't be tested but gives you peace of mind to know that all plugged in devices are protected. I have it mounted under my office desk using the mounting holes at the back.
Great value for the money.
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Reviewed in the United States on May 18, 2022
★★★★★ 5
A household staple
Style: Data/Line Protection - 12 ft
I use this power strip for both my computer and entertainment setup, and it has been very reliable. The seven outlets give me enough room for everything without having to use multiple strips. The cord is long enough to reach the wall easily while keeping things neat. It sits flat on the floor and does not tip over when everything is plugged in. The layout of the outlets makes it easy to plug in larger adapters without blocking others. It has already gotten a lot of use and should give me plenty more for years to come.
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Reviewed in the United States on August 13, 2025