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Dorman 43-689 Leaf Spring Assembly - Rear
Durable Leaf Spring Assembly for Ford F-150 Rear Suspension
The Dorman 43-689 leaf spring assembly is engineered to provide reliable rear suspension support for Ford F-150 trucks. Constructed from high-quality steel with black bushings, this replacement leaf spring assembly is designed to restore your vehicle's ride height and load capacity without requiring axle modifications.
Key Features of the Dorman 43-689 Leaf Spring Assembly
- Made from durable steel material for long-lasting performance
- Includes black bushings for smooth suspension operation
- Standard replacement suspension grade for reliable support
- Consists of 4 leaves with a 3-inch width for balanced load distribution
- Rear axle orientation designed specifically for Ford F-150 models
- Load rate of 1700 lbs to maintain proper vehicle handling
- No axle modification needed for installation
- Leaf spring arch length of 9.25 inches and pack thickness of 1.571 inches
Detailed Description of the Dorman 43-689 Leaf Spring Assembly
This leaf spring assembly is crafted from high-strength steel, ensuring durability and resistance to wear under heavy loads. The black bushings included help reduce noise and vibration, contributing to a smoother ride. Designed as a standard replacement part, it matches the original equipment specifications for the Ford F-150 rear suspension system. With four leaves measuring 3 inches in width, this assembly provides consistent support and stability. The 1700 lbs load rate supports typical payloads without compromising suspension performance. Its 25-inch length and 9.25-inch arch length are engineered to fit the rear axle orientation of Ford F-150 trucks, making it a direct replacement that requires no axle modifications.
Common Applications and Issues Addressed
- Restores proper ride height and suspension geometry on Ford F-150 rear axle
- Replaces worn or damaged leaf springs causing sagging or uneven load support
- Improves vehicle handling and stability under load
- Eliminates excessive noise or vibration from deteriorated bushings
- Supports safe towing and payload capacity by maintaining suspension integrity
Installation Notes and Tips
Installation of the Dorman 43-689 leaf spring assembly is straightforward and does not require axle modifications. Ensure the vehicle is securely lifted and supported before removing the old leaf spring. Since mounting hardware is not included, reuse existing hardware if in good condition or source appropriate replacements. Proper torque specifications should be followed to maintain suspension safety and performance.
Quality Assurance and Warranty Information
Dorman manufactures this leaf spring assembly to meet or exceed OEM standards for fit, form, and function. The steel construction and quality bushings contribute to a durable suspension component designed for long service life. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in material and workmanship.
| Brand | Dorman |
| Part Number | 43-689 |
| Material | Acero |
| Material | Steel |
| Bushing Color | Black |
| Bushing Color | Negro |
| Bushing Color | Noir |
| Color | Black |
| Color | Negro |
| Color | Noir |
| Load Rate | 1700 |
| Suspension Grade Type | Reemplazo estándar |
| Suspension Grade Type | Standard |
| Leaf Quantity | 4 |
| 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 | 1.571 |
| Leaf Spring Arch Length | 9.25 |
| Spring Research Institute Number | 43-689 |
This part fits 17 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 1996 | Ford | F-150 | 4WD | Rear | 3 Leaf / 1 Leaf = 4 Leaf Spring; 1.5625 In. Pack Thickness; 1,700 Lb. Average Capacity |
| 1995 | Ford | F-150 | 4WD | Rear | 3 Leaf / 1 Leaf = 4 Leaf Spring; 1.5625 In. Pack Thickness; 1,700 Lb. Average Capacity |
| 1994 | Ford | F-150 | 4WD | Rear | 3 Leaf / 1 Leaf = 4 Leaf Spring; 1.5625 In. Pack Thickness; 1,700 Lb. Average Capacity |
| 1993 | Ford | F-150 | 4WD | Rear | 3 Leaf / 1 Leaf = 4 Leaf Spring; 1.5625 In. Pack Thickness; 1,700 Lb. Average Capacity |
| 1992 | Ford | F-150 | 4WD | Rear | 3 Leaf / 1 Leaf = 4 Leaf Spring; 1.5625 In. Pack Thickness; 1,700 Lb. Average Capacity |
| 1991 | Ford | F-150 | 4WD | Rear | 3 Leaf / 1 Leaf = 4 Leaf Spring; 1.5625 In. Pack Thickness; 1,700 Lb. Average Capacity |
| 1990 | Ford | F-150 | 4WD | Rear | 3 Leaf / 1 Leaf = 4 Leaf Spring; 1.5625 In. Pack Thickness; 1,700 Lb. Average Capacity |
| 1989 | Ford | F-150 | 4WD | Rear | 3 Leaf / 1 Leaf = 4 Leaf Spring; 1.5625 In. Pack Thickness; 1,700 Lb. Average Capacity |
| 1988 | Ford | F-150 | 4WD | Rear | 3 Leaf / 1 Leaf = 4 Leaf Spring; 1.5625 In. Pack Thickness; 1,700 Lb. Average Capacity |
| 1987 | Ford | F-150 | 4WD | Rear | 3 Leaf / 1 Leaf = 4 Leaf Spring; 1.5625 In. Pack Thickness; 1,700 Lb. Average Capacity |
| 1986 | Ford | F-150 | 4WD | Rear | 3 Leaf / 1 Leaf = 4 Leaf Spring; 1.5625 In. Pack Thickness; 1,700 Lb. Average Capacity |
| 1985 | Ford | F-150 | 4WD | Rear | 3 Leaf / 1 Leaf = 4 Leaf Spring; 1.5625 In. Pack Thickness; 1,700 Lb. Average Capacity |
| 1984 | Ford | F-150 | 4WD | Rear | 3 Leaf / 1 Leaf = 4 Leaf Spring; 1.5625 In. Pack Thickness; 1,700 Lb. Average Capacity |
| 1983 | Ford | F-150 | 4WD | Rear | 3 Leaf / 1 Leaf = 4 Leaf Spring; 1.5625 In. Pack Thickness; 1,700 Lb. Average Capacity |
| 1982 | Ford | F-150 | 4WD | Rear | 3 Leaf / 1 Leaf = 4 Leaf Spring; 1.5625 In. Pack Thickness; 1,700 Lb. Average Capacity |
| 1981 | Ford | F-150 | 4WD | Rear | 3 Leaf / 1 Leaf = 4 Leaf Spring; 1.5625 In. Pack Thickness; 1,700 Lb. Average Capacity |
| 1980 | Ford | F-150 | 4WD | Rear | 3 Leaf / 1 Leaf = 4 Leaf Spring; 1.5625 In. Pack Thickness; 1,700 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.