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KYB 339085 Suspension Strut - Front Left
Overview of KYB Excel-G Suspension Strut 339085
The KYB Excel-G Suspension Strut 339085 is designed to restore the original ride quality and handling of your vehicle. Engineered for Chevrolet and Pontiac models including the Cobalt, G5, HHR, and Pursuit, this strut offers reliable performance and precise fitment.
- Compressed length: 10.55 inches
- Extended length: 17.63 inches
- Stroke length: 7.08 inches
- Upper mount type: 14x1.50
- Right stop (R-stop) included
- No dust cover or internal rebound spring
- Part number: 339085
About the KYB Excel-G Product Line
The Excel-G line from KYB is engineered to provide a balance between comfort and control by restoring original equipment ride quality. This suspension strut is designed to meet or exceed OEM specifications, making it a suitable replacement for factory-installed components on compatible Chevrolet and Pontiac vehicles. The Excel-G struts are built to improve handling and stability without compromising ride comfort.
Detailed Product Description
The KYB Excel-G Suspension Strut 339085 features a compressed length of 10.55 inches and an extended length of 17.63 inches, providing a stroke length of 7.08 inches. The upper mount type is 14x1.50, ensuring proper fitment for the specified vehicle models. This strut includes a right stop (R-stop) but does not come with a dust cover or internal rebound spring. These specifications contribute to consistent damping performance and durability under normal driving conditions.
Common Applications and Issues Addressed
- Restores original ride height and suspension travel on Chevrolet Cobalt, Pontiac G5, HHR, and Pursuit
- Improves vehicle handling and stability
- Reduces excessive bouncing and body roll
- Addresses worn or leaking factory struts
- Enhances braking performance by maintaining proper suspension geometry
Installation Notes and Tips
- Ensure compatibility with Chevrolet Cobalt, Pontiac G5, HHR, and Pursuit before installation
- Use proper tools to remove and install the 14x1.50 upper mount
- Check for any additional suspension component wear during installation
- Professional installation is recommended to maintain safety and performance
Quality Assurance and Warranty
KYB Excel-G struts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The part number 339085 is backed by KYB's quality control processes. Warranty coverage details should be confirmed with the point of purchase or KYB directly.
| Brand | Dorman |
|---|---|
| Part Number | 555-123 |
| Position | Excel-G |
| Closed End Diameter | 1.883 in |
| Material | Steel |
| Open End Diameter (in) | 1.883 in |
| Package Contents | 10 Steel Expansion Plugs |
This part fits 35 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2011 | Chevrolet | HHR | LS | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | ||
| 2011 | Chevrolet | HHR | LS Panel | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | ||
| 2011 | Chevrolet | HHR | LT | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | ||
| 2010 | Chevrolet | Cobalt | 2.2L | L4 | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | |
| 2010 | Chevrolet | HHR | LS | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | ||
| 2010 | Chevrolet | HHR | LS Panel | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | ||
| 2010 | Chevrolet | HHR | LT | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | ||
| 2010 | Chevrolet | HHR | LT Panel | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | ||
| 2009 | Chevrolet | Cobalt | 2.2L | L4 | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | |
| 2009 | Chevrolet | HHR | LS | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | ||
| 2009 | Chevrolet | HHR | LS Panel | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | ||
| 2009 | Chevrolet | HHR | LT | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | ||
| 2009 | Chevrolet | HHR | LT Panel | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | ||
| 2009 | Pontiac | G5 | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | |||
| 2008 | Chevrolet | Cobalt | 2.2L | L4 | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | |
| 2008 | Chevrolet | Cobalt | 2.4L | L4 | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | |
| 2008 | Chevrolet | HHR | LS | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | ||
| 2008 | Chevrolet | HHR | LS Panel | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | ||
| 2008 | Chevrolet | HHR | LT | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | ||
| 2008 | Chevrolet | HHR | LT Panel | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | ||
| 2008 | Pontiac | G5 | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | |||
| 2007 | Chevrolet | Cobalt | 2.2L | L4 | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | |
| 2007 | Chevrolet | Cobalt | 2.4L | L4 | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | |
| 2007 | Chevrolet | HHR | LS | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | ||
| 2007 | Chevrolet | HHR | LS Panel | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | ||
| 2007 | Chevrolet | HHR | LT | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | ||
| 2007 | Chevrolet | HHR | LT Panel | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | ||
| 2007 | Pontiac | G5 | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | |||
| 2006 | Chevrolet | Cobalt | 2.2L | L4 | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | |
| 2006 | Chevrolet | Cobalt | 2.4L | L4 | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | |
| 2006 | Chevrolet | HHR | LS | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | ||
| 2006 | Chevrolet | HHR | LT | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | ||
| 2006 | Pontiac | Pursuit | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | |||
| 2005 | Chevrolet | Cobalt | 2.2L | L4 | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G | |
| 2005 | Pontiac | Pursuit | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G |
* 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.