SKU: 70838521040

2001-2004 Ford F250SD, F350SD, F450SD And F550SD Front Leaf Spring - 2 Leaves - 43-812

Sale price$117.00 Regular price$130.00
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Description

2001-2004 Ford F250SD, F350SD, F450SD And F550SD Front Leaf Spring - 2 Leaves - 43-812*Diagram Spring May Differ From Actual Spring* Number of Leaves 2 Leaf Spring Width 3" A Leaf Spring Length: 27 1 2" B Leaf Spring Length: 28 1 8" C Leaf Spring Arch: 4 5 8" D Leaf Spring Pack Thickness: 1 3 16" Leaf Spring Capacity: 2,030 lbs. Leaf Spring OEM Number: YC3Z5310AK YC355310ALC Leaf Spring Eye Bushings: Front RB 247 Rear RB 248 Includes Front and Rear Eye Bushings Leaf Spring Material: 2 590 Location Front Verify the OEM part number and

  • *Diagram Spring May Differ From Actual Spring*
  • Number of Leaves - 2
  • Leaf Spring Width - 3"
  • A - Leaf Spring Length: 27-1/2"
  • B - Leaf Spring Length: 28-1/8"
  • C - Leaf Spring Arch: 4-5/8"
  • D - Leaf Spring Pack Thickness: 1-3/16"
  • Leaf Spring Capacity: 2,030 lbs.
  • Leaf Spring OEM Number: YC3Z5310AK YC355310ALC
  • Leaf Spring Eye Bushings: Front RB-247 / Rear RB-248
  • Includes Front and Rear Eye Bushings
  • Leaf Spring Material: 2/590
  • 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 43-812 is the front spring on 2001-2004 Ford F250, F350, F450 and F550 super duty trucks. The front spring is 3" wide, is a 2 leaf spring and has a capacity of 2,030 lbs. The OEM part numbers are YC3Z5310AK YC355310ALC.


Models And Year Ranges:

Fits 2001-2004 Front Ford F250SD (4WD)

Fits 2001-2004 Front Ford F350(4WD)

Fits 2001-2004 Front Ford F450 (2WD And 4WD)

Fits 2001-2004 Front Ford F550 (2WD And 4WD)

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Exchange/Return Notes
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SKU: 70838521040

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Miriam Sariol
New York, US
★★★★★ 5
Easy to use
Kinda cool that it brings different size clips and the tool makes it easy to pull the clips out.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 28, 2025
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Stephan F.
Whiting, US
★★★★★ 4
Fit as described
Used to install an inner fender liner. Seem a little more fragile than OEM, but suitable for the intended use and much less expensive.
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Reviewed in the United States on November 8, 2023
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Shawn A Hughes
Boise, US
★★★★★ 5
Fits well, good quality.
Good assortment for the price; clips fit well.
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Reviewed in the United States on March 10, 2026
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Harold Monroe
Louisville, US
★★★★★ 5
Good
Works great.
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Reviewed in the United States on January 11, 2026
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B. G.
Bozeman, US
★★★★★ 5
Noticeable Improvement in Engine Smoothness
Size: 150 ml, Pack of 1
I decided to try LIQUI MOLY Valve Clean to help keep the intake valves clean and maintain engine performance, and I’m really impressed with the results. After adding it to the fuel tank and running through a full tank of gas, the engine felt noticeably smoother and more responsive. It’s very easy to use—just pour it into the fuel tank as directed. I also like that it’s from LIQUI MOLY, a brand known for high-quality automotive additives. While it’s not a miracle fix for serious mechanical issues, it’s a great preventative maintenance product to help reduce deposits and keep the engine running efficiently. I plan to use it periodically as part of my regular maintenance routine.
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Reviewed in the United States on March 7, 2026

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