Dorman 43-812 front leaf spring for the 1999-2004 Ford F-250 Super Duty and other vehicles carries the vehicle's weight and payload at the front axle. It replaces springs that are cracked, corroded or damaged by overloading or a collision.
- Part of the Dorman OE Solutions line
- Two-leaf pack, 3 in wide, with 1.2 in pack thickness
- Up-turned eye on both ends, with bushings included
- Steel construction made to strict specifications, with a 2030 lb load rate
Quick facts
- Part: Dorman 43-812 leaf spring
- Also called: leaf spring assembly
- Fits: 1999-2004 Ford F-250 Super Duty and other vehicles
- Position: Front
- Material: Steel
- Condition: New
A sagging ride height, cracked or broken leaves or heavy rust can mean the spring is worn, though worn shock absorbers or loose U-bolts can be behind the same signs, so find the cause first.
Fits
This spring fits the 1999-2004 Ford F-250 Super Duty and the 1999-2004 Ford F-350 Super Duty, and both take two. Front springs are normally replaced as a pair, and this listing is one spring.
Specifications
Fit and size
- Position: Front
- Quantity per vehicle: 2
- Length (axis 1 and axis 2): 27.5 in
- Length B: 28.125 in
- Leaf width: 3 in
- Pack thickness: 1.2 in
- Arch length: 4.625 in
- Leaf quantity: 2
Build and materials
- Material: Steel
- Load rate: 2030 lb
- End attachment: up-turned eye on both ends
- Bushings: included
- Grade: standard replacement
- Axle modification needed: No
- Condition: New
In the box
One leaf spring with bushings. Mounting hardware is not included; plan on new bolts, since the old ones may not be reusable.
Interchange: 43-810 · 43-766 · 43-808 · 43-824 · 43-854 · 43-856 · 43-858 · 43-912 · 43-812DAY · 43-812HUS · 043-0812-00
1C345310ACA · 1C345310ACB · 1C34ACA · 1C34ACB · 2C345310ACA · 2C34ACA · 3C345310ACA · 3C34ACA · YC355310ALC · YC35ALC · YC3Z5310AK
This part cross-references / interchanges with the following part numbers:
43-812, 43-810, 43-766, 43-808, 43-824, 43-854, 43-856, 43-858, 43-912, 1C345310ACA, 1C345310ACB, 1C34ACA, 1C34ACB, 2C345310ACA, 2C34ACA, 3C345310ACA, 3C34ACA, YC355310ALC, YC35ALC, YC3Z5310AK, 43-812DAY, 43-812HUS, 043-0812-00
Frequently Asked Questions
Is this the right leaf spring for the 1999-2004 Ford F-250 Super Duty?
Yes. Dorman 43-812 is a front leaf spring that fits the 1999-2004 Ford F-250 Super Duty, and this listing is one spring.
Are these leaf springs a fit for the 1999-2004 Ford F-350 Super Duty?
Yes. This front spring fits the 1999-2004 Ford F-350 Super Duty, which takes two, and the listing is a single spring.
Does the Dorman leaf spring come with bushings?
Yes. Dorman 43-812 comes as one leaf spring with bushings. Mounting hardware is not included, so the bolts are bought separately.
What are the load rate and leaf count of this front leaf spring?
The load rate is 2030 pounds. The spring has two leaves, a 3 in leaf width and 1.2 in pack thickness.
Does this leaf spring assembly need an axle modification?
No. Axle modification is not needed, and both ends of this spring are up-turned eyes.
