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Dorman 43-1289 Leaf Spring Assembly - Rear
Durable Dorman Leaf Spring Assembly for Rear Suspension
The Dorman 43-1289 leaf spring assembly is engineered to provide reliable rear suspension support for compatible vehicles. Constructed from high-quality steel with a black finish, this assembly is designed to restore proper ride height and handling characteristics.
- Made from durable steel material for long-lasting performance
- Includes black bushings for smooth operation and noise reduction
- Standard replacement suspension grade for reliable support
- Consists of 10 leaves with a 3-inch width for balanced load distribution
- Designed for rear axle orientation with no axle modification required
- Load rate of 5900 lbs suitable for standard vehicle applications
- Leaf spring arch length of 5.125 inches and pack thickness of 4.36 inches
Technical Details and Construction
The Dorman 43-1289 leaf spring assembly is crafted from steel, ensuring strength and resistance to wear under typical driving conditions. The black bushings included help reduce vibration and provide a quieter ride. This assembly features 10 leaves, each 3 inches wide, arranged to deliver a load rate of 5900 pounds, making it suitable for standard replacement needs on rear suspension systems. The leaf spring arch length measures 5.125 inches, contributing to proper suspension geometry and vehicle stability. No axle modifications are necessary for installation, simplifying the replacement process.
Compatible Vehicles and Applications
This leaf spring assembly is designed for rear suspension systems on various makes and models requiring a standard replacement part. It is ideal for vehicles experiencing issues such as:
- Sagging or lowered rear suspension height
- Uneven or rough ride quality
- Excessive rear axle movement or instability
- Worn or damaged leaf springs causing noise or handling problems
- Need for restoring original suspension load capacity
Installation Notes and Tips
Installation of the Dorman 43-1289 leaf spring assembly requires standard suspension tools and procedures. Since no axle modification is needed, the assembly can be installed directly onto the rear axle mounts. It is important to ensure that the bushings are properly seated and that all mounting points are securely fastened. Professional installation is recommended to maintain suspension alignment and vehicle safety.
Quality Assurance and Warranty
Dorman manufactures this leaf spring assembly to meet or exceed OEM specifications, providing a dependable replacement option. The steel construction and included bushings contribute to the product's durability and performance. 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 | 43-1289 |
| Material | Acero |
| Material | Steel |
| Bushing Color | Black |
| Bushing Color | Negro |
| Bushing Color | Noir |
| Color | Black |
| Color | Negro |
| Color | Noir |
| Load Rate | 5900 |
| Suspension Grade Type | Reemplazo estándar |
| Suspension Grade Type | Standard |
| Leaf Quantity | 10 |
| 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 | 4.36 |
| Leaf Spring Arch Length | 5.125 |
| Spring Research Institute Number | 43-1289 |
This part fits 0 vehicles. Search below:
| Year | Make | Model | Position | Notes |
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* 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.