OE Quality
60-Day Returns

FCS DT346417 Suspension Shock Absorber - Rear
Overview of FCS Suspension Shock Absorber DT346417
The FCS Suspension Shock Absorber DT346417 is engineered for Lexus IS200t, IS250, IS300, and IS350 models. Designed to maintain optimal suspension performance, this shock absorber balances ride comfort and vehicle control through precise stroke and length specifications.
- Compressed Length: 18.43 inches
- Extended Length: 24.21 inches
- Stroke Length: 5.78 inches
- Compatible with Lexus IS200t, IS250, IS300, and IS350
- Part Number: DT346417
FCS Brand Line Suspension Components
The FCS brand line focuses on suspension parts that meet strict dimensional and performance standards. This shock absorber is part of the FCS lineup, which emphasizes durability and precise fitment for specific vehicle models, ensuring consistent suspension response and handling characteristics tailored to Lexus vehicles.
Technical Details and Specifications
The DT346417 shock absorber features a compressed length of 18.43 inches and an extended length of 24.21 inches, providing a stroke length of 5.78 inches. These measurements are critical for maintaining proper suspension travel and damping characteristics on Lexus IS200t, IS250, IS300, and IS350 models. The stroke length allows the shock to absorb road irregularities effectively, contributing to vehicle stability and passenger comfort.
Applications and Problem Solving
- Restores suspension performance on Lexus IS200t, IS250, IS300, and IS350
- Reduces excessive bouncing and improves ride quality
- Addresses uneven tire wear caused by worn shocks
- Improves vehicle handling and control during cornering
- Mitigates noise and vibration from suspension components
Installation Notes and Tips
When installing the FCS DT346417 shock absorber, ensure the vehicle is securely lifted and supported. Verify the shock absorber’s compressed and extended lengths match the original equipment specifications for your Lexus IS model. Proper torque settings should be applied to mounting hardware to avoid premature wear or failure. It is recommended to replace shocks in pairs to maintain balanced suspension performance.
Quality Assurance and Warranty
The FCS DT346417 shock absorber is manufactured to meet OEM standards for fitment and durability. While specific warranty details are not provided, FCS products typically undergo rigorous quality control to ensure reliable operation. For warranty information, consult the product documentation or the supplier.
| Brand | FCS |
| Part Number | DT346417 |
| Position | FCS, Rear |
| Compressed Length | 18.43 |
| Extended Length | 24.21 |
| Stroke Length | 5.78 |
This part fits 19 vehicles. Search below:
| Year | Make | Model | Submodel | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2021 | Lexus | IS300 | Base | 2.0L | L4 | Rear | Monotube; FCS | |
| 2020 | Lexus | IS300 | Base | 2.0L | L4 | Rear | Monotube upgrade for enhanced shock absorption performance.; FCS | |
| 2020 | Lexus | IS350 | Base | RWD | Rear | Monotube upgrade for enhanced shock absorption performance.; FCS | ||
| 2019 | Lexus | IS300 | Base | 2.0L | L4 | Rear | Monotube upgrade for enhanced shock absorption performance.; FCS | |
| 2019 | Lexus | IS350 | Base | RWD | Rear | Monotube upgrade for enhanced shock absorption performance.; FCS | ||
| 2018 | Lexus | IS300 | Base | Rear | Monotube upgrade for enhanced shock absorption performance.; FCS | |||
| 2018 | Lexus | IS350 | Base | Rear | Monotube upgrade for enhanced shock absorption performance.; FCS | |||
| 2017 | Lexus | IS200t | Base | Rear | Monotube; FCS | |||
| 2017 | Lexus | IS300 | Base | Rear | Monotube upgrade for enhanced shock absorption performance.; FCS | |||
| 2017 | Lexus | IS350 | Base | Rear | Monotube upgrade for enhanced shock absorption performance.; FCS | |||
| 2016 | Lexus | IS200t | Rear | Monotube upgrade for enhanced shock absorption performance.; FCS | ||||
| 2016 | Lexus | IS300 | Base | Rear | Monotube upgrade for enhanced shock absorption performance.; FCS | |||
| 2016 | Lexus | IS350 | Base | Rear | Monotube upgrade for enhanced shock absorption performance.; FCS | |||
| 2015 | Lexus | IS250 | F Sport | Rear | Monotube upgrade for enhanced shock absorption performance.; FCS | |||
| 2015 | Lexus | IS250 | Base | Rear | Monotube upgrade for enhanced shock absorption performance.; FCS | |||
| 2015 | Lexus | IS350 | Base | Rear | Monotube upgrade for enhanced shock absorption performance.; FCS | |||
| 2014 | Lexus | IS250 | F Sport | Rear | Monotube upgrade for enhanced shock absorption performance.; FCS | |||
| 2014 | Lexus | IS250 | Base | Rear | Monotube upgrade for enhanced shock absorption performance.; FCS | |||
| 2014 | Lexus | IS350 | Base | Rear | Monotube upgrade for enhanced shock absorption performance.; FCS |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.