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Dorman 949-511 Air Spring to Coil Spring Conversion Kit - Front or Rear
Overview of Dorman Air Spring to Coil Spring Conversion Kit
The Dorman 949-511 Air Spring to Coil Spring Conversion Kit is designed to replace air suspension components with durable steel coil springs. Specifically engineered for Ford Expedition and Lincoln Navigator models, this kit provides a reliable suspension upgrade with standard-grade components.
- Includes 4 coil over strut assemblies for complete suspension conversion
- Constructed with black steel compression springs featuring closed ends for consistent performance
- Black rubber bushings enhance durability and reduce noise
- Standard suspension grade suitable for everyday driving conditions
- Compatible with Ford Expedition and Lincoln Navigator vehicles
Detailed Product Description
This conversion kit replaces air springs with steel coil springs, offering a straightforward solution for Ford Expedition and Lincoln Navigator owners experiencing air suspension issues. The springs are made from high-quality steel with a black finish, designed as compression springs with closed ends on both sides to ensure secure fitment and reliable operation. The included rubber bushings, also black, provide cushioning and help absorb vibrations, contributing to a smoother ride. This standard suspension grade kit is intended for typical driving environments, maintaining vehicle stability and handling characteristics.
Common Applications and Problem Solving
- Eliminates air spring leaks and failures in Ford Expedition and Lincoln Navigator suspensions
- Addresses uneven ride height caused by faulty air springs
- Reduces maintenance complexity by converting to coil springs
- Improves suspension reliability in vehicles with aging air suspension systems
- Prevents compressor overuse and related electrical issues
Installation Notes and Tips
Installation of the Dorman 949-511 kit requires removal of the existing air springs and struts. It is recommended to have the vehicle securely lifted and supported before beginning work. Proper alignment and torque specifications should be followed to ensure safe and effective suspension performance. Since the kit includes four coil over strut assemblies, replacing all corners simultaneously is advised for balanced handling. Professional installation is recommended for those unfamiliar with suspension systems.
Quality Assurance and Warranty
Dorman manufactures this conversion kit to meet standard suspension grade requirements, using durable steel and rubber materials for longevity. The product undergoes quality control to ensure fitment compatibility with Ford Expedition and Lincoln Navigator models. Warranty coverage details should be confirmed at the point of purchase, as they may vary by distributor.
| Brand | Dorman |
| Part Number | 949-511 |
| Bushing Color | Black |
| Bushing Material | Rubber |
| End 1 Spring Type | Closed |
| End 2 Spring Type | Closed |
| Package Contents | 4 Coil Over Strut Assemblies |
| Spring Color | Black |
| Spring Material | Steel |
| Spring Type | Compression |
| Suspension Grade Type | Standard |
This part fits 16 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2006 | Ford | Expedition | Front | wo/Module; Four Wheel Kit; Original Ride Height |
| 2006 | Ford | Expedition | Rear | wo/Module; Four Wheel Kit; Original Ride Height |
| 2006 | Lincoln | Navigator | Front | wo/Module; Four Wheel Kit; Original Ride Height |
| 2006 | Lincoln | Navigator | Rear | wo/Module; Four Wheel Kit; Original Ride Height |
| 2005 | Ford | Expedition | Front | wo/Module; Four Wheel Kit; Original Ride Height |
| 2005 | Ford | Expedition | Rear | wo/Module; Four Wheel Kit; Original Ride Height |
| 2005 | Lincoln | Navigator | Front | wo/Module; Four Wheel Kit; Original Ride Height |
| 2005 | Lincoln | Navigator | Rear | wo/Module; Four Wheel Kit; Original Ride Height |
| 2004 | Ford | Expedition | Front | wo/Module; Four Wheel Kit; Original Ride Height |
| 2004 | Ford | Expedition | Rear | wo/Module; Four Wheel Kit; Original Ride Height |
| 2004 | Lincoln | Navigator | Front | wo/Module; Four Wheel Kit; Original Ride Height |
| 2004 | Lincoln | Navigator | Rear | wo/Module; Four Wheel Kit; Original Ride Height |
| 2003 | Ford | Expedition | Front | wo/Module; Four Wheel Kit; Original Ride Height |
| 2003 | Ford | Expedition | Rear | wo/Module; Four Wheel Kit; Original Ride Height |
| 2003 | Lincoln | Navigator | Front | wo/Module; Four Wheel Kit; Original Ride Height |
| 2003 | Lincoln | Navigator | Rear | wo/Module; Four Wheel Kit; Original Ride Height |
* 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.