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Dorman 43-1593 Leaf Spring Assembly - Rear
Durable Leaf Spring Assembly for Ford F-350 Super Duty
The Dorman 43-1593 leaf spring assembly is engineered to restore the rear suspension performance of your Ford F-350 Super Duty. Constructed from high-quality steel with black bushings, this replacement spring assembly offers reliable support and consistent load handling for heavy-duty applications.
- Constructed from durable steel material for long-lasting strength
- Includes black bushings to reduce noise and vibration
- Standard suspension grade type designed for replacement use
- Five-leaf configuration with 3-inch leaf width for balanced load distribution
- Rear axle orientation compatible with Ford F-350 Super Duty models
- Load rate of 3400 lbs suitable for heavy-duty suspension needs
- No axle modification or helper spring required for installation
Product Details and Specifications
This Dorman leaf spring assembly (part number 43-1593) is made from high-grade steel, ensuring durability and resistance to wear under demanding conditions. The assembly features five leaves, each 3 inches wide, providing a total pack thickness of approximately 2.834 inches. The leaf spring arch length measures 5.75 inches, designed to maintain proper ride height and suspension geometry. Black bushings are included to minimize noise and improve ride comfort. This assembly is intended for rear axle installation and does not require any axle modifications or additional helper springs.
Compatible Applications and Common Uses
This leaf spring assembly is specifically compatible with Ford F-350 Super Duty trucks, making it a suitable replacement for worn or damaged rear suspension springs. It addresses several suspension issues, including:
- Sagging or lowered rear suspension height
- Uneven or unstable load handling
- Excessive rear-end bounce or harsh ride quality
- Worn or damaged leaf springs causing noise or vibration
- Restoring proper axle alignment and suspension geometry
Installation Notes and Tips
Installation of the Dorman 43-1593 leaf spring assembly requires no axle modifications or additional helper springs. Ensure that the vehicle is safely supported and the rear axle is properly aligned before removing the old springs. Since mounting hardware is not included, reuse existing hardware if in good condition or source appropriate replacement fasteners. Proper torque specifications should be followed to maintain suspension integrity and safety.
Quality Assurance and Warranty
Dorman manufactures this leaf spring assembly to meet or exceed OEM standards for material and performance. The steel construction and included bushings contribute to a reliable suspension component designed for heavy-duty use. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship.
| Brand | Dorman |
|---|---|
| Part Number | 43-1593 |
| Material | Acero |
| Material | Steel |
| Bushing Color | Black |
| Bushing Color | Negro |
| Bushing Color | Noir |
| Color | Black |
| Color | Negro |
| Color | Noir |
| Load Rate | 3400 |
| Suspension Grade Type | Reemplazo estándar |
| Suspension Grade Type | Standard |
| Leaf Quantity | 5 |
| 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 | 25 |
| Length Axis 2 | 25 |
| Pack Thickness | 2.834 |
| Leaf Spring Arch Length | 5.75 |
| Spring Research Institute Number | 43-1593 |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Body Type | Position | Notes |
|---|---|---|---|---|---|
| 2007 | Ford | F-350 Super Duty | Standard Cab Pickup | Rear | 4 Leaf / 1 Leaf = 5 Leaf Spring; 2.8125 In. Pack Thickness; 3,400 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs |
| 2007 | Ford | F-350 Super Duty | Extended Cab Pickup | Rear | 4 Leaf / 1 Leaf = 5 Leaf Spring; 2.8125 In. Pack Thickness; 3,400 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs |
| 2007 | Ford | F-350 Super Duty | Crew Cab Pickup | Rear | 4 Leaf / 1 Leaf = 5 Leaf Spring; 2.8125 In. Pack Thickness; 3,400 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs |
| 2006 | Ford | F-350 Super Duty | Standard Cab Pickup | Rear | 4 Leaf / 1 Leaf = 5 Leaf Spring; 2.8125 In. Pack Thickness; 3,400 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs |
| 2006 | Ford | F-350 Super Duty | Extended Cab Pickup | Rear | 4 Leaf / 1 Leaf = 5 Leaf Spring; 2.8125 In. Pack Thickness; 3,400 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs |
| 2006 | Ford | F-350 Super Duty | Crew Cab Pickup | Rear | 4 Leaf / 1 Leaf = 5 Leaf Spring; 2.8125 In. Pack Thickness; 3,400 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs |
| 2005 | Ford | F-350 Super Duty | Standard Cab Pickup | Rear | 4 Leaf / 1 Leaf = 5 Leaf Spring; 2.8125 In. Pack Thickness; 3,400 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs |
| 2005 | Ford | F-350 Super Duty | Extended Cab Pickup | Rear | 4 Leaf / 1 Leaf = 5 Leaf Spring; 2.8125 In. Pack Thickness; 3,400 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs |
| 2005 | Ford | F-350 Super Duty | Crew Cab Pickup | Rear | 4 Leaf / 1 Leaf = 5 Leaf Spring; 2.8125 In. Pack Thickness; 3,400 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs |
* 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.