SKU: 81273976450

1980-1997 Ford F350 Chassis Cab With Dual Rear Wheels Heavy Duty Rear Leaf Spring 43-721HD

$112.01 $124.45
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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15

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Description

1980-1997 Ford F350 Chassis Cab With Dual Rear Wheels Heavy Duty Rear Leaf Spring 43-721HD*Diagram Spring May Differ From Actual Spring* Number of Leaves 12 Leaf Spring Width 2 1 4" A Leaf Spring Length: 26" B Leaf Spring Length: 26" C Leaf Spring Arch: 4 3 4" D Leaf Spring Pack Thickness: 4 13 16" Leaf Spring Capacity: 4,500 lbs. Leaf Spring OEM Numbers: Replaces E0TZ5560V and E0TA5560AMB Leaf Spring Eye Bushings: Front RB 156 Rear RB 156 Includes Front and Rear Eye Bushings Leaf Spring Material: 12 401 Location Rear Verify the OEM part

  • *Diagram Spring May Differ From Actual Spring*
  • Number of Leaves - 12
  • Leaf Spring Width - 2-1/4"
  • A - Leaf Spring Length: 26"
  • B - Leaf Spring Length: 26"
  • C - Leaf Spring Arch: 4-3/4"
  • D - Leaf Spring Pack Thickness: 4-13/16"
  • Leaf Spring Capacity: 4,500 lbs.
  • Leaf Spring OEM Numbers: Replaces E0TZ5560V and E0TA5560AMB
  • Leaf Spring Eye Bushings: Front RB-156 / Rear RB-156
  • Includes Front and Rear Eye Bushings
  • Leaf Spring Material: 12/401
  • Location - Rear

 

Verify the OEM part number and measurements to confirm compatibility before purchasing. Need help? Visit: How to Identify a Leaf Spring.

 

Leaf spring 43-721HD is the heavy duty rear spring on 1980-1997 Ford F350 chassis cab with dual rear wheel trucks. The rear spring is 2-1/4" wide, is a 12 leaf spring and has a capacity of 4,500 lbs. Replaces OEM part numbers E0TZ5560V and E0TA5560AMB.

Shipping Notes
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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.
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SKU: 81273976450

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4.6 ★★★★★
Based on 2421 reviews
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Lucy Mejia
New York, US
★★★★★ 5
So will not write down your foot
Size: Medium, Color: (001) Black / Black / Castlerock
I love these socks. They have a little bit of gel on the top of the heel for support in your tennis shoes and so your socks don’t write down. Very good quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
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Twins9
Battle Creek, US
★★★★★ 5
Comfy and Stay Put
Size: Medium, Color: (002) Black / Black / Halo Gray
These socks are honestly great. They’re super thin and light, so once you have them on, you kind of forget they’re even there. No bulky feeling in your shoes at all. The best part is they actually stay on. I hate no-show socks that slide down after five minutes, and these don’t do that. The little grip on the heel really works, so you’re not constantly adjusting them all day. They’re breathable too, which is nice if your feet run warm. They dry fast and don’t get that gross sweaty feeling. And there’s no annoying seam on the toe, so nothing rubs or feels uncomfortable. Basically, they’re just comfy, stay put, and don’t cause problems — which is all I want from socks.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 16, 2026
S
Verified Purchase
swwkennyg
New York, US
★★★★★ 5
Perfect sucks
Size: Medium, Color: (001) Black / Black / Castlerock
Wonderful socks . The weight is perfect !! These do not slip when in a shoe they stay out !!
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Reviewed in the United States on April 14, 2026
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Verified Purchase
Monica Alzate
Alexandria, US
★★★★★ 4
Amazing but quality changed
Size: Large, Color: (002) Black / Black / Halo Gray
Love these socks so much, been buying them for about 4 years now!! Not giving them 5 stars anymore because the quality is different and not as good, durable and thick as before.
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Reviewed in the United States on July 10, 2025
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Verified Purchase
Heather260
Phoenix, US
★★★★★ 5
The best no show socks
The only no show socks I have ever found that do not slide down. These are very comfortable and the extra tab on the back provides comfort by keeping shoes from rubbing the back of your foot. The top of the sock also comes up high enough to cushion the top of your foot all while still remaining hidden while wearing tennis shoes or even with my hey dudes.
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Reviewed in the United States on November 30, 2025

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