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Dorman 43-1263HD Leaf Spring Assembly - Rear
Dorman 43-1263HD Rear Leaf Spring Assembly
Dorman 43-1263HD is a heavy-duty rear leaf spring assembly for select Ford Super Duty trucks. It is built to support vehicle weight and payload while helping restore suspension performance and ride comfort on the rear axle.
Key Features
- Heavy-duty suspension grade for rear axle applications
- Steel construction with black bushings
- 7-leaf design with a 3-inch leaf width
- Up-turned eye attachment at both ends
- Bushings included
- Load rate: 4400
- Axle modification not required
Product Details
This Dorman OE Solutions leaf spring assembly is engineered for rear suspension service on 1999-2007 Ford F-250 Super Duty and 1999-2007 Ford F-350 Super Duty models. The 43-1263HD uses a steel spring pack with a 25-inch length axis, 33.25-inch B length, and 7-inch arch length to match the application requirements of heavy-duty aftermarket use. If you are searching for a rear leaf spring assembly for Ford F-250 Super Duty or Ford F-350 Super Duty trucks, part number 43-1263HD provides a direct replacement option for the listed fitments.
This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
What It Can Help Address
- Sagging rear suspension
- Reduced load-carrying support
- Uneven rear ride height
- Excessive rear-end bounce or instability
- Worn or fatigued leaf spring components
Installation Notes and Tips
Verify rear axle application, spring dimensions, and attachment style before installation. Confirm that the vehicle is a 1999-2007 Ford F-250 Super Duty or 1999-2007 Ford F-350 Super Duty with the listed rear configuration. Inspect related suspension hardware, spring seats, and mounting points for wear before replacing the leaf spring assembly. Part number 43-1263HD is listed with bushings included and does not require axle modification.
Quality Assurance
Dorman OE Solutions parts are built to match the needs of specific vehicle applications using application-focused engineering and fitment data. This leaf spring assembly is intended for the confirmed Ford Super Duty rear fitments listed above.
| Brand | Dorman |
|---|---|
| Part Number | 43-1263HD |
| Material | Acero |
| Material | Steel |
| Bushing Color | Black |
| Bushing Color | Negro |
| Bushing Color | Noir |
| Color | Black |
| Color | Negro |
| Color | Noir |
| Load Rate | 4400 |
| Suspension Grade Type | Heavy duty |
| Suspension Grade Type | Para uso pesado |
| Leaf Quantity | 7 |
| 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 | 3.243 |
| Leaf Spring Arch Length | 7 |
| Spring Research Institute Number | 43-1263hd |
This part fits 18 vehicles. Search below:
| Year | Make | Model | Body Type | Position | Notes |
|---|---|---|---|---|---|
| 2007 | Ford | F-250 Super Duty | Rear | Heavy Duty Aftermarket Design | |
| 2007 | Ford | F-350 Super Duty | Standard Cab Pickup | Rear | Heavy Duty Aftermarket Design |
| 2006 | Ford | F-250 Super Duty | Rear | Heavy Duty Aftermarket Design | |
| 2006 | Ford | F-350 Super Duty | Standard Cab Pickup | Rear | Heavy Duty Aftermarket Design |
| 2005 | Ford | F-250 Super Duty | Rear | Heavy Duty Aftermarket Design | |
| 2005 | Ford | F-350 Super Duty | Standard Cab Pickup | Rear | Heavy Duty Aftermarket Design |
| 2004 | Ford | F-250 Super Duty | Rear | Heavy Duty Aftermarket Design | |
| 2004 | Ford | F-350 Super Duty | Standard Cab Pickup | Rear | Heavy Duty Aftermarket Design |
| 2003 | Ford | F-250 Super Duty | Rear | Heavy Duty Aftermarket Design | |
| 2003 | Ford | F-350 Super Duty | Standard Cab Pickup | Rear | Heavy Duty Aftermarket Design |
| 2002 | Ford | F-250 Super Duty | Rear | Heavy Duty Aftermarket Design | |
| 2002 | Ford | F-350 Super Duty | Standard Cab Pickup | Rear | Heavy Duty Aftermarket Design |
| 2001 | Ford | F-250 Super Duty | Rear | Heavy Duty Aftermarket Design | |
| 2001 | Ford | F-350 Super Duty | Standard Cab Pickup | Rear | Heavy Duty Aftermarket Design |
| 2000 | Ford | F-250 Super Duty | Rear | Heavy Duty Aftermarket Design | |
| 2000 | Ford | F-350 Super Duty | Standard Cab Pickup | Rear | Heavy Duty Aftermarket Design |
| 1999 | Ford | F-250 Super Duty | Rear | Heavy Duty Aftermarket Design | |
| 1999 | Ford | F-350 Super Duty | Standard Cab Pickup | Rear | Heavy Duty Aftermarket Design |
* 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.