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KYB 341621 Suspension Shock Absorber - Rear
| Brand | KYB 341621 |
|---|---|
| Position | Rear |
| Compressed Length | 15.06 |
| Extended Length | 24.08 |
| Stroke Length | 9.02 |
| Lower Mount Type | E1l/e(26) |
| Upper Mount Type | S1(5/8) |
| Dust Cover Included | Y |
| Internal Rebound Spring | N |
| B-stop | N |
| R-stop | Y |
| Fits | — |
OEA replacement. Restores original performance with OE-quality components.
Twin-tube design. Nitrogen gas-charged for consistent damping and control.
Triple-lip fluid seal. Helps reduce the chance of oil and gas leaks.
Cross-references Gabriel 85311 and Monroe Shocks & Struts 65402 for the same application. See all 2.
KYB Excel-G Shock Absorber for OE Ride Control
The KYB Excel-G 341621 is a nitrogen gas-charged, twin-tube suspension shock absorber built to restore original ride control, stability, stopping response, lane-change responsiveness, and handling. It is an OE-style replacement for heavy-duty trucks and commercial vehicles, with calibration focused on returning the vehicle to its designed performance.
Made on KYB OE assembly lines and using OE-quality components, the Excel-G line is classified as OEA, or Original Equipment for the Aftermarket. This part number 341621 is a direct-fit suspension shock absorber for applications that require controlled damping and consistent tire contact.
Key Features
- KYB recommended OEM replacement shock for heavy-duty trucks and commercial vehicles
- Nitrogen gas-charged, twin-tube design for stable damping performance
- Triple-lip fluid seal helps reduce oil and gas leakage
- Vehicle-specific, hand-assembled damping valves manage tire contact, steering response, and body movement
- Strong strut body and bracket construction helps minimize flex and maintain alignment
- Dust cover included
- Made in USA
- R-stop included
Product Details
The KYB Excel-G brand line is engineered to restore the suspension behavior the vehicle was designed to deliver, rather than changing ride characteristics. For drivers and technicians searching for a KYB 341621 shock absorber, this part supports consistent control in daily driving, load carrying, and commercial use. It is also a practical choice when replacing worn suspension components on vehicles such as Ford F-250 and Ford F-350 applications that require dependable damping and steering response.
This part cross-references Monroe Shocks & Struts (e.g., 65402) for the same application.
What It Helps Address
- Excessive bouncing after bumps
- Reduced steering response during lane changes
- Body roll and unstable handling
- Poor tire contact on uneven roads
- Suspension noise or fluid leakage from a worn shock absorber
Installation Notes and Tips
Verify compressed length, extended length, stroke length, and mount types before installation. This KYB 341621 shock uses an E1L/E(26) lower mount and an S1(5/8) upper mount, so matching the original mounting style is important for proper fitment. After replacement, inspect related suspension components and confirm alignment if the vehicle shows uneven tire wear or steering pull.
Compatible With heavy-duty truck and commercial vehicle applications where the original shock absorber specification matches this part number. For fitment-based searches, use KYB 341621 when looking for an OE replacement shock for Ford F-250 and Ford F-350 suspension service.
Quality Assurance
KYB supplies shocks and struts to new vehicle manufacturers and builds the Excel-G line on the same OE assembly lines using OE-quality components. The design focus is restoring original suspension performance and supporting the operation of vehicle systems that depend on proper suspension control.
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