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Dorman 43-1799 Leaf Spring Assembly - Rear
Durable Leaf Spring Assembly for Ford E-250 and E-350 Super Duty
The Dorman 43-1799 leaf spring assembly is engineered to restore the rear suspension performance of your Ford E-250 or E-350 Super Duty. Constructed from high-quality steel with black bushings, this replacement spring pack offers reliable support and consistent load handling for your vehicle.
- Material: Heavy-duty steel construction for strength and durability
- Color: Black finish with black bushings for corrosion resistance
- Leaf Quantity: 9 leaves providing balanced suspension support
- Load Rate: 3600 lbs suitable for standard suspension replacement
- Axle Orientation: Designed specifically for rear axle installation
- Bushings Included: Yes, pre-installed black bushings for smooth operation
- Dimensions: 23.875 inches length axis, 3 inches leaf width, 3.796 inches pack thickness
- Spring Arch Length: 1.875 inches for proper suspension geometry
- No axle modification or helper spring required
Product Details and Specifications
The Dorman 43-1799 leaf spring assembly is a standard replacement suspension component designed to match the original equipment specifications for Ford E-250 and E-350 Super Duty models. Made from robust steel, this leaf spring pack features nine leaves that work together to provide consistent load distribution and maintain vehicle stability. The black finish and bushings help resist corrosion and wear, extending the service life of the suspension system. This assembly is intended for rear axle installation and does not require any axle modifications or additional helper springs, simplifying the replacement process.
Common Applications and Problem Resolution
- Restores proper ride height and suspension support on Ford E-250 and E-350 Super Duty rear axles
- Replaces worn or broken leaf springs causing sagging or uneven vehicle stance
- Eliminates excessive rear-end bounce and improves load handling capacity
- Addresses noisy or stiff suspension due to damaged bushings
- Corrects alignment issues related to leaf spring wear or failure
Installation Notes and Tips
Installation of the Dorman 43-1799 leaf spring assembly requires standard suspension tools and mechanical knowledge. Since mounting hardware is not included, ensure you have the appropriate bolts and fasteners before beginning the replacement. No axle modifications are necessary, which allows for a straightforward swap with the original leaf spring pack. It is recommended to inspect related suspension components such as shackles and U-bolts during installation and replace them if worn.
Quality Assurance and Warranty
Dorman manufactures this leaf spring assembly to meet or exceed OEM standards for durability and performance. The steel construction and corrosion-resistant finish contribute to long-lasting service life. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship. Verify warranty terms with the product documentation or supplier.
| Brand | Dorman |
|---|---|
| Part Number | 43-1799 |
| Material | Acero |
| Material | Steel |
| Bushing Color | Black |
| Bushing Color | Negro |
| Bushing Color | Noir |
| Color | Black |
| Color | Negro |
| Color | Noir |
| Load Rate | 3600 |
| Suspension Grade Type | Reemplazo estándar |
| Suspension Grade Type | Standard |
| Leaf Quantity | 9 |
| Leaf Width | 3 |
| Axle Orientation | Arrière |
| Axle Orientation | Rear |
| Axle Orientation | Trasero |
| 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 | 23.875 |
| Length Axis 2 | 23.875 |
| Pack Thickness | 3.796 |
| Leaf Spring Arch Length | 1.875 |
| Spring Research Institute Number | 43-1799 |
This part fits 14 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2016 | Ford | E-350 Super Duty | Rear | 9 Leaf; 3.8125 In. Pack Thickness; 1/2 In. Diameter Center Bolt; 3,600 Lb. Average Capacity |
| 2015 | Ford | E-350 Super Duty | Rear | 9 Leaf; 3.8125 In. Pack Thickness; 1/2 In. Diameter Center Bolt; 3,600 Lb. Average Capacity |
| 2014 | Ford | E-250 | Rear | 9 Leaf; 3.8125 In. Pack Thickness; 1/2 In. Diameter Center Bolt; 3,600 Lb. Average Capacity |
| 2014 | Ford | E-350 Super Duty | Rear | 9 Leaf; 3.8125 In. Pack Thickness; 1/2 In. Diameter Center Bolt; 3,600 Lb. Average Capacity |
| 2013 | Ford | E-250 | Rear | 9 Leaf; 3.8125 In. Pack Thickness; 1/2 In. Diameter Center Bolt; 3,600 Lb. Average Capacity |
| 2013 | Ford | E-350 Super Duty | Rear | 9 Leaf; 3.8125 In. Pack Thickness; 1/2 In. Diameter Center Bolt; 3,600 Lb. Average Capacity |
| 2012 | Ford | E-250 | Rear | 9 Leaf; 3.8125 In. Pack Thickness; 1/2 In. Diameter Center Bolt; 3,600 Lb. Average Capacity |
| 2012 | Ford | E-350 Super Duty | Rear | 9 Leaf; 3.8125 In. Pack Thickness; 1/2 In. Diameter Center Bolt; 3,600 Lb. Average Capacity |
| 2011 | Ford | E-250 | Rear | 9 Leaf; 3.8125 In. Pack Thickness; 1/2 In. Diameter Center Bolt; 3,600 Lb. Average Capacity |
| 2011 | Ford | E-350 Super Duty | Rear | 9 Leaf; 3.8125 In. Pack Thickness; 1/2 In. Diameter Center Bolt; 3,600 Lb. Average Capacity |
| 2010 | Ford | E-250 | Rear | 9 Leaf; 3.8125 In. Pack Thickness; 1/2 In. Diameter Center Bolt; 3,600 Lb. Average Capacity |
| 2010 | Ford | E-350 Super Duty | Rear | 9 Leaf; 3.8125 In. Pack Thickness; 1/2 In. Diameter Center Bolt; 3,600 Lb. Average Capacity |
| 2009 | Ford | E-250 | Rear | 9 Leaf; 3.8125 In. Pack Thickness; 1/2 In. Diameter Center Bolt; 3,600 Lb. Average Capacity |
| 2009 | Ford | E-350 Super Duty | Rear | 9 Leaf; 3.8125 In. Pack Thickness; 1/2 In. Diameter Center Bolt; 3,600 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.