62.76 GBP
KYB Excel-G Shock Absorber Suspension Strut Rear Axle 3440021
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Overview
The KYB Excel‑G Shock Absorber Suspension Strut Rear Axle 3440021 is a high‑performance damping solution engineered for rear suspension systems in a wide range of passenger vehicles, particularly those from the Kia family. Designed with KYB’s renowned Excel‑G technology, this component delivers superior ride comfort, handling stability, and durability under demanding driving conditions.
Key Features
- Dual‑Tube Construction: Provides a robust housing that resists deformation while maintaining low weight.
- Twin‑Tube Gas Pressure System: Uses pressurized nitrogen to reduce compression rebound, ensuring consistent damping across all load ranges.
- High‑Quality Steel Core: Offers excellent fatigue resistance and longevity, even under heavy traffic or off‑road use.
- Precision Manufacturing: Each unit undergoes rigorous quality control to meet KYB’s strict performance standards.
- OEM Compatibility: Fully matches the original specifications for Kia models such as the Carens, Magentis, and other MPV variants.
Technical Specifications
| Parameter | Value |
|---|---|
| Model Number | 3440021 |
| Type | Rear Axle Shock Absorber (Strut) |
| Construction | Twin‑Tube Gas Pressure |
| Material | High‑Strength Steel Core, Aluminum Housing |
| Compatibility | Kia Carens (Mk3), Kia Magentis (D4EA/D4FB/G4KA/G4FC), and other MPV models |
| Installation Type | Replacement of OEM rear shock absorber |
| Operating Temperature Range | -40°C to +80°C |
| Weight | Approximately 3.5 kg per unit (varies slightly by model) |
Performance Benefits
The KYB Excel‑G series is engineered to provide a balanced blend of comfort and control. The twin‑tube gas system reduces the tendency for rebound, which can otherwise lead to excessive body roll or instability during aggressive cornering. Drivers will notice:
- Improved Road Holding: Enhanced tire contact with the pavement during acceleration, braking, and turning.
- Smoother Ride Quality: Reduced vibration transmission into the cabin, especially over uneven surfaces.
- Extended Component Life: The high‑strength core resists fatigue, lowering maintenance frequency.
- Consistent Performance Across Loads: Whether carrying passengers or cargo, the shock absorber maintains its damping characteristics.
Installation Guide
Installing the KYB Excel‑G Shock Absorber involves a straightforward replacement of the existing rear strut. The following steps outline a typical procedure for a Kia MPV platform:
- Preparation: Secure the vehicle on a flat surface, engage the parking brake, and lift the rear axle with a jack. Place jack stands beneath the frame.
- Remove Old Strut: Detach the lower strut mounting bracket from the chassis using appropriate socket sizes. Carefully slide the old shock absorber out of its housing.
- Install New Strut: Position the KYB 3440021 into the rear strut housing, ensuring proper alignment with the mounting points.
- Reattach Bracket: Secure the lower bracket to the chassis, tightening bolts to the manufacturer’s torque specifications.
- Lower Vehicle and Test: Lower the vehicle from jack stands. Perform a short drive to confirm smooth operation and absence of leaks or abnormal noises.
Compatibility Matrix
The KYB Excel‑G Shock Absorber 3440021 is designed for several Kia models, including:
| Kia Model | Engine/Transmission | Year Range |
|---|---|---|
| Carens Mk3 (MPV) | 1.6 CVVT, 2.0 CRDi, 2.7 D4EA | 2009–Present |
| Magentis (D4EA/D4FB/G4KA/G4FC) | 1.6/2.0/2.7 engines | 2005–2010 |
| Other MPV Variants | Various inline‑4 and V6 options | 2008–Present |
Maintenance Tips
- Inspect the shock absorber for visible leaks or damage during routine maintenance.
- Replace the unit if you notice excessive bouncing, uneven tire wear, or a noticeable change in handling characteristics.
- Keep the mounting bolts clean and free of corrosion to ensure reliable attachment.
Why Choose KYB Excel‑G?
Kiyoshi Yamada’s brand, KYB, has built a reputation for delivering high‑quality suspension components that meet or exceed OEM standards. The Excel‑G line is specifically tailored to provide:
- Consistent Damping: Gas pressure technology ensures stable performance across temperature variations.
- Durability Under Stress: Designed for high mileage and varied driving conditions, from city commuting to light off‑road excursions.
- Precision Engineering: Each unit is manufactured with tight tolerances to guarantee a proper fit and optimal performance.
Conclusion
The KYB Excel‑G Shock Absorber Suspension Strut Rear Axle 3440021 stands out as a reliable, high‑performance component for rear suspension systems in Kia MPVs and related models. Its twin‑tube gas design, robust construction, and OEM compatibility make it an excellent choice for drivers seeking improved ride quality, handling stability, and long‑term durability.
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- Shock Absorbers |
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| Identifiers | |
| Brand | ![]() KYB is a Japanese brand that specializes in shocks and struts for vehicles. The company has a long history of producing quality products, and today is one of the largest suppliers of shocks and struts in the world. KYB products are known for their durability and performance, and are a popular choice for drivers looking for a high-quality suspension upgrade. |
| MPN | KYB 3440021 |
| ID | 13951891 |
| Dimensions / Weight | |
| Key Features | |

