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Dorman 43-812 Leaf Spring Assembly - Front
Durable Leaf Spring Assembly for Ford F-250 and F-350 Super Duty
The Dorman 43-812 leaf spring assembly is engineered to provide reliable suspension support for Ford F-250 Super Duty and F-350 Super Duty trucks. Constructed from high-quality steel with a black finish, this front axle leaf spring assembly offers a standard replacement solution designed to restore your vehicle's ride height and handling.
- Material: Heavy-duty steel construction for strength and durability
- Color: Black finish with black bushings for corrosion resistance
- Leaf Quantity: 2 leaves with a 3-inch width for balanced load support
- Load Rate: 2030 lbs to maintain proper suspension performance
- Designed for front axle installation with no axle modification required
- Includes black bushings for smooth operation and reduced noise
- Leaf spring arch length: 4.625 inches, pack thickness: 1.2 inches
- Length: 27.5 inches on both axis for precise fitment
Product Details and Specifications
The Dorman 43-812 leaf spring assembly is a standard replacement part specifically designed for the front suspension of Ford F-250 Super Duty and F-350 Super Duty models. Made from durable steel, this assembly features two leaves each 3 inches wide, providing a load rate of 2030 lbs to support your truck’s weight and maintain ride stability. The black finish and black bushings help resist corrosion and wear, ensuring long-lasting performance. This leaf spring assembly requires no axle modifications, making it a straightforward replacement for your vehicle’s front suspension system.
Common Applications and Problem Solving
- Restores proper ride height and suspension geometry on Ford F-250 and F-350 Super Duty trucks
- Replaces worn or damaged front leaf springs causing sagging or uneven ride
- Improves load carrying capacity and vehicle stability under heavy loads
- Reduces suspension noise and vibration with included bushings
- Addresses front axle suspension issues without requiring axle modifications
Installation Notes and Tips
Installation of the Dorman 43-812 leaf spring assembly is designed to be a direct replacement for the front axle of compatible Ford Super Duty trucks. No axle modifications are necessary, simplifying the installation process. It is recommended to inspect all suspension components during replacement and replace any worn mounting hardware separately, as mounting hardware is not included. Proper torque specifications should be followed to ensure safe and effective suspension performance.
Quality Assurance and Warranty
Dorman manufactures the 43-812 leaf spring assembly to meet or exceed OEM standards for fit, form, and function. The steel construction and corrosion-resistant finish contribute to the durability of this suspension component. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship. For detailed warranty information, please refer to Dorman’s official documentation.
| Brand | Dorman |
|---|---|
| Part Number | 43-812 |
| Material | Acero |
| Material | Steel |
| Bushing Color | Black |
| Bushing Color | Negro |
| Bushing Color | Noir |
| Color | Black |
| Color | Negro |
| Color | Noir |
| Load Rate | 2030 |
| Suspension Grade Type | Reemplazo estándar |
| Suspension Grade Type | Standard |
| Leaf Quantity | 2 |
| Leaf Width | 3 |
| Axle Orientation | Avant |
| Axle Orientation | Delantero |
| Axle Orientation | Front |
| Helper Spring | No |
| Helper Spring | Non |
| Axle Modification Needed | No |
| Axle Modification Needed | Non |
| Bushings Included | Oui |
| Bushings Included | Sí |
| Bushings Included | Yes |
| Mounting Hardware Included | No |
| Mounting Hardware Included | Non |
| Length Axis 1 | 27.5 |
| Length Axis 2 | 27.5 |
| Pack Thickness | 1.2 |
| Leaf Spring Arch Length | 4.625 |
| Spring Research Institute Number | 43-812 |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2004 | Ford | F-250 Super Duty | 4WD | Front | 2 Leaf; Full Taper; 1.1875 In. Pack Thickness; 2,030 Lb. Average Capacity |
| 2004 | Ford | F-350 Super Duty | 4WD | Front | 2 Leaf; Full Taper; 1.1875 In. Pack Thickness; 2,030 Lb. Average Capacity |
| 2003 | Ford | F-250 Super Duty | 4WD | Front | 2 Leaf; Full Taper; 1.1875 In. Pack Thickness; 2,030 Lb. Average Capacity |
| 2003 | Ford | F-350 Super Duty | 4WD | Front | 2 Leaf; Full Taper; 1.1875 In. Pack Thickness; 2,030 Lb. Average Capacity |
| 2002 | Ford | F-250 Super Duty | 4WD | Front | 2 Leaf; Full Taper; 1.1875 In. Pack Thickness; 2,030 Lb. Average Capacity |
| 2002 | Ford | F-350 Super Duty | 4WD | Front | 2 Leaf; Full Taper; 1.1875 In. Pack Thickness; 2,030 Lb. Average Capacity |
| 2001 | Ford | F-250 Super Duty | 4WD | Front | 2 Leaf; Full Taper; 1.1875 In. Pack Thickness; 2,030 Lb. Average Capacity |
| 2001 | Ford | F-350 Super Duty | 4WD | Front | 2 Leaf; Full Taper; 1.1875 In. Pack Thickness; 2,030 Lb. Average Capacity |
| 2000 | Ford | F-250 Super Duty | 4WD | Front | 2 Leaf; Full Taper; 1.1875 In. Pack Thickness; 2,030 Lb. Average Capacity |
| 2000 | Ford | F-350 Super Duty | 4WD | Front | 2 Leaf; Full Taper; 1.1875 In. Pack Thickness; 2,030 Lb. Average Capacity |
| 1999 | Ford | F-250 Super Duty | 4WD | Front | 2 Leaf; Full Taper; 1.1875 In. Pack Thickness; 2,030 Lb. Average Capacity |
| 1999 | Ford | F-350 Super Duty | 4WD | Front | 2 Leaf; Full Taper; 1.1875 In. Pack Thickness; 2,030 Lb. Average Capacity |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.