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KYB 343459 Shock Absorber - Rear
| Brand | KYB 7585 |
|---|---|
| Yes | |
| Angle | 36 |
| Angle | 36 |
| Belt Material | EPDM |
| Belt Material | EPDM |
| Construction | Notched |
| Construction | Notched |
| Cord Material | Polyester |
| Cord Material | Polyester |
| Cross Section Designation | HC41 |
| Effective Length | 58.5 |
| Effective Length | 1486 |
| Notched | Yes |
| Number of Strands | 1 |
| Outside Circumference | 59.31 |
| Outside Circumference | 1506 |
| Section | HC41 |
| Strand Quantity | 1 |
| Top Width | .41 |
| Top Width | 10 |
| Type | High Capacity V-Belt (Standard) |
| Type | High Capacity V-Belt (Standard) |
| Product line | Excel-G |
| Fits | —9 vehicles |
OE replacement. Restores original ride control and handling.
Twin-tube design. Nitrogen gas-charged for consistent damping performance.
Triple-lip fluid seal. Helps reduce oil and gas leakage.
Cross-references Chevrolet 95077492, Chevrolet 95077493 and Monroe Shocks & Struts 5520 for the same application. See all 3.
KYB Excel-G Rear Shock for Sonic
The KYB Excel-G 343459 is a rear suspension shock absorber engineered to restore original ride control, stability, and steering response. It is a direct OE-style replacement for the Chevrolet Sonic and is built on KYB’s OE assembly lines using vehicle-specific damping calibration.
Key Features
- KYB recommended OEM replacement shock for rear suspension service
- Restores designed control and handling on the Chevrolet Sonic
- Nitrogen gas-charged, twin-tube construction for consistent damping
- Triple-lip fluid seal helps reduce oil and gas leakage
- Hand-assembled, in-house damping valves manage tire contact, steering response, and body movement
- Strong strut body and bracket design helps maintain alignment by minimizing flex
- R-stop rebound control feature included
Product Details
Built as part of the KYB Excel-G line, this shock absorber is calibrated to return the vehicle to its original designed performance rather than change ride characteristics. The Excel-G product line is known for OE-quality components and application-specific tuning, making the KYB 343459 a practical choice for rear suspension refresh work on 2012-2020 Chevrolet Sonic models. This part cross-references Monroe Shocks & Struts 5520 for the same application.
What It Helps Address
- Excessive rear bounce or oscillation after bumps
- Loose or unstable rear-end feel during lane changes
- Reduced tire contact and uneven handling response
- Oil or gas leakage from a worn rear shock absorber
- Suspension wear that affects braking and electronic safety system performance
Installation Notes
Fits 2012-2020 Chevrolet Sonic, rear. Replace the suspension strut and coil spring assembly according to the manufacturer’s instructions. Verify mount style and dimensions before installation: compressed length 15.55, extended length 25.51, stroke length 9.96, lower mount type E2(12X52), upper mount type S1. Dust cover, internal rebound spring, and B-stop are not included.
Quality Assurance
KYB supplies shocks and struts to new vehicle manufacturers, and the Excel-G line is produced on the same OE assembly lines with OE-quality components. The 343459 is built to support original equipment performance standards for the Chevrolet Sonic rear suspension.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2020 | Chevrolet | Sonic | Rear | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G |
| 2019 | Chevrolet | Sonic | Rear | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G |
| 2018 | Chevrolet | Sonic | Rear | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G |
| 2017 | Chevrolet | Sonic | Rear | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G |
| 2016 | Chevrolet | Sonic | Rear | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G |
| 2015 | Chevrolet | Sonic | Rear | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G |
| 2014 | Chevrolet | Sonic | Rear | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G |
| 2013 | Chevrolet | Sonic | Rear | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G |
| 2012 | Chevrolet | Sonic | Rear | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G |
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