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KYB 339085 Suspension Strut - Front Left
| Brand | KYB 555-123 |
|---|---|
| Closed End Diameter | 1.883 in |
| Material | Steel |
| Open End Diameter (in) | 1.883 in |
| Package Contents | 10 Steel Expansion Plugs |
| Product line | Excel-G |
| Fits | —35 vehicles |
OE replacement strut. Restores original control and handling with OE-quality components.
Twin-tube design. Nitrogen gas-charged for consistent damping performance.
Triple-lip fluid seal. Helps reduce the chance of oil and gas leakage.
Cross-references Gabriel G56810, General Motors 15247243 and General Motors 15798897 for the same application. See all 8.
KYB Excel-G Front Left Strut for GM Cars
The KYB Excel-G 339085 is a front left suspension strut built to restore original ride control, steering response, and handling on select GM vehicles. It is a recommended OE replacement for applications such as the Chevrolet Cobalt, Chevrolet HHR, Pontiac G5, and Pontiac Pursuit.
Key Features
- KYB Excel-G OEA replacement strut for restoring factory-style performance
- Nitrogen gas-charged, twin-tube design for consistent damping
- Vehicle-specific, hand-assembled damping valves for tire contact and body control
- Triple-lip fluid seal helps reduce oil and gas leakage
- Strong strut body and bracket design helps minimize flex and maintain alignment
- Made in USA
- Upper mount type: 14X1.50
- Compressed length: 10.55 in; extended length: 17.63 in; stroke length: 7.08 in
Product Details
KYB Excel-G line struts are calibrated to restore the vehicle’s original suspension behavior rather than change it. For the Chevrolet Cobalt, Chevrolet HHR, Pontiac G5, and Pontiac Pursuit, KYB 339085 supports stable braking, lane-change response, and predictable handling by helping the suspension work as engineered. This part cross-references Monroe Shocks & Struts (e.g., 72179) for the same application.
What It Helps Address
- Excessive bounce or float after bumps
- Reduced steering response during turns and lane changes
- Uneven tire contact caused by worn damping
- Noise or vibration from a fatigued front strut assembly
- Loss of ride control during braking and cornering
Installation Notes
Fits 2006-2011 Chevrolet HHR, front left. Fits 2005-2010 Chevrolet Cobalt, front left. Fits 2007-2009 Pontiac G5, front left. Fits 2005-2006 Pontiac Pursuit, front left. Replace the suspension strut and coil spring assembly according to the manufacturer’s instructions. KYB recommends new strut mounts, part number SM5513, and a KYB strut boot, part number SB101, to help reduce noise, vibration, and contamination.
Quality Assurance
KYB is a major OE supplier, and Excel-G is produced on KYB OE assembly lines using OE-quality components. The design is calibrated to restore original equipment performance and help keep electronic safety systems operating as intended by maintaining proper suspension behavior.
| 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 |
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