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Dorman 949-861 Air Suspension Strut - Rear Left or Rear Right
Overview of Dorman 949-861 Air Suspension Strut
The Dorman 949-861 air suspension strut is engineered for select Mercedes-Benz models, including the S55 AMG, S430, and S500. Designed to restore proper ride height and improve vehicle stability, this air suspension strut offers precise fitment and reliable performance.
- Compatible with Mercedes-Benz S55 AMG, S430, and S500 models
- Compressed length: 33.5 inches for accurate suspension travel
- Extended length: 37.5 inches to maintain proper ride height
- Shaft diameter: 4.9 inches for durability and strength
- Maximum air pressure rating of 3 MPa for optimal air suspension function
- Outside cylinder diameter: 1.97 inches ensuring correct fitment
- Includes one air suspension strut per package
Technical Details and Specifications
The Dorman 949-861 air suspension strut is designed with a regular grade type to meet the standard performance requirements of Mercedes-Benz luxury sedans. Its compressed length of 33.5 inches and extended length of 37.5 inches allow for smooth suspension articulation and proper vehicle leveling. The 4.9-inch shaft diameter provides structural integrity under load, while the 1.97-inch outside cylinder diameter ensures compatibility with the original suspension mounting points. Rated for a maximum air pressure of 3 MPa, this strut supports the air suspension system’s ability to absorb road irregularities and maintain ride comfort.
Applications and Common Issues Addressed
- Restores proper ride height on Mercedes-Benz S55 AMG, S430, and S500 models
- Replaces worn or leaking air suspension struts causing uneven vehicle stance
- Improves handling and stability by maintaining correct suspension geometry
- Eliminates air leaks that lead to compressor overuse and premature failure
- Addresses suspension noise and harshness related to damaged struts
Installation Notes and Tips
Installation of the Dorman 949-861 air suspension strut requires proper tools and safety precautions. It is recommended to relieve air pressure from the suspension system before removal. Ensure all mounting hardware is inspected and replaced if necessary to maintain secure attachment. After installation, verify the air suspension system is properly calibrated and free of leaks. Professional installation is advised for optimal results and safety.
Quality Assurance and Warranty
Dorman manufactures the 949-861 air suspension strut to meet or exceed OEM specifications for Mercedes-Benz vehicles. Each unit undergoes quality control testing to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Refer to the product documentation for exact warranty terms.
| Brand | Dorman |
|---|---|
| Part Number | 949-861 |
| Compressed Length | 33.5 |
| Extended Length | 37.5 |
| Grade Type | Regular |
| Maximum Air Pressure | 3 MPA |
| Outside Cylinder Diameter | 1.97 in |
| Package Contents | 1 Air Suspension Strut |
| Shaft Diameter | 4.9 |
This part fits 34 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2006 | Mercedes-Benz | S430 | Rear Left | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 2006 | Mercedes-Benz | S430 | Rear Right | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 2006 | Mercedes-Benz | S500 | Rear Left | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 2006 | Mercedes-Benz | S500 | Rear Right | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 2005 | Mercedes-Benz | S430 | Rear Left | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 2005 | Mercedes-Benz | S430 | Rear Right | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 2005 | Mercedes-Benz | S500 | Rear Left | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 2005 | Mercedes-Benz | S500 | Rear Right | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 2004 | Mercedes-Benz | S430 | Rear Left | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 2004 | Mercedes-Benz | S430 | Rear Right | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 2004 | Mercedes-Benz | S500 | Rear Left | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 2004 | Mercedes-Benz | S500 | Rear Right | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 2003 | Mercedes-Benz | S430 | Rear Left | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 2003 | Mercedes-Benz | S430 | Rear Right | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 2003 | Mercedes-Benz | S500 | Rear Left | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 2003 | Mercedes-Benz | S500 | Rear Right | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 2002 | Mercedes-Benz | S430 | Rear Left | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 2002 | Mercedes-Benz | S430 | Rear Right | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 2002 | Mercedes-Benz | S500 | Rear Left | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 2002 | Mercedes-Benz | S500 | Rear Right | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 2002 | Mercedes-Benz | S55 AMG | Rear Left | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 2002 | Mercedes-Benz | S55 AMG | Rear Right | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 2001 | Mercedes-Benz | S430 | Rear Left | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 2001 | Mercedes-Benz | S430 | Rear Right | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 2001 | Mercedes-Benz | S500 | Rear Left | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 2001 | Mercedes-Benz | S500 | Rear Right | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 2001 | Mercedes-Benz | S55 AMG | Rear Left | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 2001 | Mercedes-Benz | S55 AMG | Rear Right | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 2000 | Mercedes-Benz | S430 | Rear Left | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 2000 | Mercedes-Benz | S430 | Rear Right | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 2000 | Mercedes-Benz | S500 | Rear Left | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 2000 | Mercedes-Benz | S500 | Rear Right | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 1999 | Mercedes-Benz | S430 | Rear Left | Exc. Armored Body; wo/Code 487 (Active Body Control) |
| 1999 | Mercedes-Benz | S430 | Rear Right | Exc. Armored Body; wo/Code 487 (Active Body Control) |
* 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.