Dorman 949-511 Air Spring to Coil Spring Conversion Kit
Confirm Fitment Before You Buy
Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price
$777.82
Couldn't load pickup availability
Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.
Product Description
Failed air suspension too costly to repair? This air-to-coil spring conversion kit fully replaces failed air springs with conventional steel springs. Cost-effectively restore a smooth ride by only replacing the parts necessary.
- Alternative replacement - this air suspension delete kit replaces the original air springs with conventional coil springs
- Cost-saving solution - ideal for older vehicles on which maintaining the original air suspension isn't necessary or too costly
- Thoroughly tested - parts underwent ride handling testing to ensure performance
- Tech note - includes necessary hardware and components needed to convert air springs to coils; full kit with module is required to eliminate warning light
Detailed Applications
| Year | Make | Model | Configuration | Positions | Application Notes |
|---|---|---|---|---|---|
| 2006 | Ford | Expedition | Front; Rear | wo/Module; Four Wheel Kit; Original Ride Height | |
| 2006 | Lincoln | Navigator | Front; Rear | wo/Module; Four Wheel Kit; Original Ride Height | |
| 2005 | Ford | Expedition | Front; Rear | wo/Module; Four Wheel Kit; Original Ride Height | |
| 2005 | Lincoln | Navigator | Front; Rear | wo/Module; Four Wheel Kit; Original Ride Height | |
| 2004 | Ford | Expedition | Front; Rear | wo/Module; Four Wheel Kit; Original Ride Height | |
| 2004 | Lincoln | Navigator | Front; Rear | wo/Module; Four Wheel Kit; Original Ride Height | |
| 2003 | Ford | Expedition | Front; Rear | wo/Module; Four Wheel Kit; Original Ride Height | |
| 2003 | Lincoln | Navigator | Front; Rear | wo/Module; Four Wheel Kit; Original Ride Height |
Product Specifications
| Active or Passive Suspension: | Passive |
|---|---|
| Adjustable Compression: | Yes |
| Adjustable Rebound: | Yes |
| Adjustable Ride Height: | Yes |
| Bushing Color: | Black |
| Bushing Included: | Yes |
| Bushing Material: | Steel |
| End 1 Spring Type: | Closed |
| End 2 Spring Type: | Closed |
| Extended Length: | 685 mm |
| Grade Type: | Standard Replacement |
| Includes Bump Stop: | Yes |
| Internal Construction Type: | Single Tube |
| Internal Rebound Spring: | No |
| Mounting Hardware Included: | No |
| Package Contents: | 4 Coil Over Strut Assemblies |
| Package Quantity: | 1 |
| Packaging Type: | Box |
| Remote Reservoir: | No |
| Self-Leveling: | No |
| Selling Package Quantity UOM: | Piece |
| Shaft Material: | Steel |
| Spring Color: | Black |
| Spring Load: | Yes |
| Spring Material: | Steel |
| Spring Rate: | 11120N/mm and 8820N/mm |
| Spring Rate Type: | Variable |
| Spring Type: | Compression |
| Strut Mount Insulator(s) Included: | Yes |
| Strut Mount(s) Included: | Yes |
| Suspension Grade Type: | Standard Replacement |
| Suspension Type Converting To: | Conventional |