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KYB 3430045 Suspension Shock Absorber - Rear
| Brand | KYB 3430045 |
|---|---|
| Position | Rear |
| Compressed Length | 16.93 |
| Extended Length | 26.31 |
| Stroke Length | 9.38 |
| Lower Mount Type | E2(12x40) |
| Upper Mount Type | S1(8mm) |
| Dust Cover Included | N |
| Internal Rebound Spring | N |
| B-stop | N |
| R-stop | Y |
| Product line | Excel-G |
| Fits | Scion and Toyota · 5 vehicles |
OEA replacement choice. Restores original ride control, stability, and handling.
Twin-tube design. Nitrogen gas-charged for consistent damping performance.
Triple-lip fluid seal. Helps reduce the chance of oil and gas leaks.
Cross-references Toyota 48530WB004 for the same application. See all 1.
KYB Excel-G Rear Shock for Toyota Yaris
The KYB Excel-G 3430045 is a rear suspension shock absorber built to restore original ride control, stability, braking response, and lane-change handling. It is an OE-style replacement for the 2016 Scion iA and 2017-2020 Toyota Yaris / Yaris iA rear suspension, with calibration focused on factory-like performance rather than changing the vehicle’s character.
Key Features
- OE-style replacement choice for Asian vehicles
- Nitrogen gas-charged, twin-tube shock design
- Made on KYB OE assembly lines using OE-quality components
- Vehicle-specific damping valves for controlled tire contact and steering response
- Triple-lip fluid seal helps reduce oil and gas leakage
- Strong steel outer shell and reinforced strut body design to limit flex
- R-stop technology included for rebound control
- Compatible with electronic safety systems that rely on proper suspension behavior
Product Details
KYB Excel-G is KYB’s Original Equipment for the Aftermarket line, engineered to match the original suspension behavior of the vehicle. For Toyota Yaris rear shock replacement needs, part number 3430045 delivers application-specific damping and OE-level construction for consistent ride quality. This part cross-references Toyota 48530WB004 for the same application. It is a direct-fit rear shock absorber for the 2016 Scion iA, 2017-2018 Toyota Yaris iA, and 2019-2020 Toyota Yaris.
Common Problems This Part Addresses
- Excessive bouncing after bumps
- Reduced rear-end stability during braking and cornering
- Loose or delayed steering response from worn rear damping
- Uneven tire contact caused by weak shock control
- Suspension noise or poor body control from aging rear shocks
Installation Notes
Verify compressed length, extended length, stroke length, and mount types before installation. This rear shock uses an E2(12x40) lower mount and S1(8mm) upper mount. Inspect related suspension components, mounting points, and alignment condition during replacement. Professional installation is recommended for proper torque and fitment on Toyota Yaris rear shock applications.
Quality Assurance
KYB supplies shocks and struts to new vehicle manufacturers, and the Excel-G line is built on the same OE assembly lines with OE-quality components. The design is calibrated to restore factory suspension performance for the 2016 Scion iA and 2017-2020 Toyota Yaris rear position.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2020 | Toyota | Yaris | Rear | Recommended OEM Replacement; Excel-G |
| 2019 | Toyota | Yaris | Rear | Recommended OEM Replacement; Excel-G |
| 2018 | Toyota | Yaris iA | Rear | Recommended OEM Replacement; Performance Upgrade; Excel-G |
| 2017 | Toyota | Yaris iA | Rear | Recommended OEM Replacement; Performance Upgrade; Excel-G |
| 2016 | Scion | iA | Rear | Recommended OEM Replacement; Performance Upgrade; Excel-G |
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