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KYB KG5559 Suspension Shock Absorber - Rear
Reliable Suspension Shock Absorber for Ford and Mercury Vehicles
The KYB Gas-a-just KG5559 suspension shock absorber is engineered to restore your vehicle's ride quality and handling. Designed specifically for select Ford and Mercury models, this shock absorber offers precise damping performance to improve driving stability and comfort.
- Compressed length: 12.44 inches
- Extended length: 20.31 inches
- Stroke length: 7.87 inches
- Lower mount type: E2 (12x53)
- Upper mount type: S1
- Includes dust cover for added protection
- Internal rebound spring: No
- B-stop and R-stop: Not included
About the KYB Gas-a-just Product Line
The Gas-a-just line from KYB is designed to provide consistent gas pressure for improved shock absorber response and control. This technology helps maintain vehicle stability and ride comfort by delivering reliable damping performance under various driving conditions. The KG5559 shock absorber benefits from this design, making it suitable for Ford and Mercury models requiring precise suspension tuning.
Detailed Product Description
The KG5559 shock absorber features a compressed length of 12.44 inches and an extended length of 20.31 inches, providing a stroke length of 7.87 inches. Its lower mount uses an E2 (12x53) configuration, while the upper mount is an S1 type, ensuring proper fitment and secure installation. The included dust cover helps protect the shock shaft from dirt and debris, extending the service life of the component. This shock absorber does not include an internal rebound spring or bump stops (B-stop and R-stop), focusing on straightforward, reliable damping performance.
Compatible Vehicles and Common Applications
- Ford Capri
- Ford Cougar
- Ford Fairmont
- Ford LTD
- Ford Marquis
- Ford Mustang
- Mercury Zephyr
This shock absorber is compatible with these specific Ford and Mercury models, making it a suitable replacement part for restoring suspension performance.
Common Suspension Issues Addressed
- Reduced ride comfort due to worn shocks
- Excessive body roll during cornering
- Increased stopping distance from poor damping
- Uneven tire wear caused by suspension instability
- Noise or vibration from damaged shock absorbers
Installation Notes and Tips
Ensure the vehicle is safely supported before removing the old shock absorber. Verify the mount types (E2 lower and S1 upper) match the vehicle’s suspension points. Inspect the dust cover and replace if damaged to maintain shock longevity. Proper torque specifications should be followed during installation to avoid premature wear or failure.
Quality Assurance and Warranty
KYB manufactures the Gas-a-just KG5559 shock absorber to meet or exceed OEM standards. While specific warranty details are not provided here, KYB products typically come with a limited warranty covering defects in materials and workmanship. Refer to KYB’s official documentation for exact warranty terms.
| Brand | KYB |
|---|---|
| Part Number | KG5559 |
| Position | Gas-a-just, Rear |
| Compressed Length | 12.44 |
| Extended Length | 20.31 |
| Stroke Length | 7.87 |
| Lower Mount Type | E2(12x53) |
| Upper Mount Type | S1 |
| Dust Cover Included | Y |
| Internal Rebound Spring | N |
| B-stop | N |
| R-stop | N |
This part fits 47 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1993 | Ford | Mustang | LX | 2.3L | L4 | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just |
| 1992 | Ford | Mustang | LX | 2.3L | L4 | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just |
| 1991 | Ford | Mustang | LX | 2.3L | L4 | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just |
| 1990 | Ford | Mustang | LX | 2.3L | L4 | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just |
| 1989 | Ford | Mustang | LX | 2.3L | L4 | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just |
| 1988 | Ford | Mustang | LX | 2.3L | L4 | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just |
| 1987 | Ford | Mustang | LX | 2.3L | L4 | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just |
| 1986 | Ford | LTD | Base | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | ||
| 1986 | Ford | LTD | Brougham | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | ||
| 1986 | Ford | Mustang | LX | Rear | Monotube Performance Upgrade; (Exc. Special Handling ); Gas-a-just | ||
| 1986 | Mercury | Capri | Rear | Monotube Performance Upgrade; (Exc. Special Handling Package); Gas-a-just | |||
| 1986 | Mercury | Marquis | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | |||
| 1985 | Ford | LTD | Base | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | ||
| 1985 | Ford | LTD | Brougham | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | ||
| 1985 | Ford | LTD | LX Brougham | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | ||
| 1985 | Ford | Mustang | LX | Rear | Monotube Performance Upgrade; (Exc. Special Handling ); Gas-a-just | ||
| 1985 | Mercury | Capri | Rear | Monotube Performance Upgrade; (Exc. Special Handling Package); Gas-a-just | |||
| 1985 | Mercury | Marquis | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | |||
| 1984 | Ford | LTD | Base | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | ||
| 1984 | Ford | LTD | Brougham | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | ||
| 1984 | Ford | Mustang | L | Rear | Monotube Performance Upgrade; (Exc. Special Handling ); Gas-a-just | ||
| 1984 | Ford | Mustang | LX | Rear | Monotube Performance Upgrade; (Exc. Special Handling ); Gas-a-just | ||
| 1984 | Mercury | Capri | Rear | Monotube Performance Upgrade; (Exc. Special Handling Package); Gas-a-just | |||
| 1984 | Mercury | Marquis | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | |||
| 1983 | Ford | Fairmont | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | |||
| 1983 | Ford | LTD | Base | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | ||
| 1983 | Ford | LTD | Brougham | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | ||
| 1983 | Ford | Mustang | GL | Rear | Monotube Performance Upgrade; (Exc. Special Handling ); Gas-a-just | ||
| 1983 | Ford | Mustang | GLX | Rear | Monotube Performance Upgrade; (Exc. Special Handling ); Gas-a-just | ||
| 1983 | Ford | Mustang | L | Rear | Monotube Performance Upgrade; (Exc. Special Handling ); Gas-a-just | ||
| 1983 | Mercury | Capri | Rear | Monotube Performance Upgrade; (Exc. Special Handling Package); Gas-a-just | |||
| 1983 | Mercury | Marquis | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | |||
| 1983 | Mercury | Zephyr | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | |||
| 1982 | Ford | Fairmont | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | |||
| 1982 | Ford | Mustang | Base | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | ||
| 1982 | Ford | Mustang | Ghia | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | ||
| 1982 | Ford | Mustang | GL | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | ||
| 1982 | Ford | Mustang | GLX | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | ||
| 1982 | Ford | Mustang | L | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | ||
| 1982 | Mercury | Capri | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | |||
| 1982 | Mercury | Cougar | Base | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | ||
| 1982 | Mercury | Cougar | GS | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | ||
| 1982 | Mercury | Cougar | LS | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | ||
| 1982 | Mercury | Zephyr | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | |||
| 1981 | Ford | Fairmont | Rear | Monotube Performance Upgrade; w/ TRX Suspension; Gas-a-just | |||
| 1981 | Mercury | Cougar | Base | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | ||
| 1981 | Mercury | Zephyr | Rear | Monotube Performance Upgrade; w/ TRX Suspension; Gas-a-just |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.