OE Quality
60-Day Returns

KYB KG4531 Shock Absorber - Front
Overview of KYB Gas-a-just Suspension Shock Absorber KG4531
The KYB Gas-a-just shock absorber KG4531 is engineered to provide reliable suspension performance for select Buick, Cadillac, and Oldsmobile models. Designed to restore vehicle stability and control, this shock absorber is compatible with the Eldorado, Riviera, Seville, and Toronado models.
- Compressed length: 9.61 inches
- Extended length: 13.23 inches
- Stroke length: 3.62 inches
- Lower and upper mount type: E2 (14.6x61)
- Includes dust cover for protection
- Equipped with B-stop and R-stop for enhanced travel control
Features and Specifications
The KYB Gas-a-just KG4531 shock absorber features precise dimensions with a compressed length of 9.61 inches and an extended length of 13.23 inches, providing a stroke length of 3.62 inches. Both the upper and lower mounts utilize the E2 (14.6x61) type, ensuring proper fitment and secure installation. This shock absorber includes a dust cover to protect internal components from debris and environmental exposure. Additionally, the integrated B-stop and R-stop components help control suspension travel, contributing to consistent damping performance. Note that this model does not include an internal rebound spring.
About the KYB Gas-a-just Product Line
The Gas-a-just line from KYB is designed to offer a direct replacement shock absorber that matches or exceeds original equipment specifications. This product line focuses on restoring the vehicle's original handling characteristics by using gas-charged technology to reduce fade and improve response. The KG4531 shock absorber is part of this line, providing a balance of comfort and control for compatible Buick, Cadillac, and Oldsmobile vehicles.
Applications and Problem Solving
- Compatible with Buick Eldorado, Cadillac Riviera, Seville, and Oldsmobile Toronado models
- Addresses issues such as excessive body roll and poor ride quality
- Helps reduce suspension noise and vibration
- Improves vehicle stability during braking and cornering
- Restores proper suspension travel and damping control
Installation Notes and Tips
When installing the KYB Gas-a-just KG4531 shock absorber, ensure the vehicle is securely lifted and supported. Verify that the E2 (14.6x61) upper and lower mounts align correctly with the vehicle’s mounting points. It is recommended to replace shocks in pairs to maintain balanced suspension performance. Inspect related suspension components for wear during installation and replace as necessary.
Quality Assurance and Warranty
KYB manufactures the Gas-a-just KG4531 shock absorber to meet strict quality standards, ensuring durability and consistent performance. This part is backed by KYB’s limited warranty, which covers defects in materials and workmanship under normal use. Refer to KYB’s warranty documentation for specific terms and conditions.
| Brand | Dana Spicer |
|---|---|
| Part Number | 5-789X |
| Position | Gas-a-just |
| Bearing Cap Diameter (1) | 1.078 |
| Bearing Cap Diameter (2) | 1.078 |
| Bearing Cap Diameter A (mm) | 1.078 |
| Bearing Cap Diameter B (mm) | 1.078 |
| Bearing Cap Type | Round |
| Bearing Cap Type A | ISR |
| Bearing Cap Type B | ISR |
| Length A (In) | 2.125 |
| Length A (mm) | 54 |
| Length B (In) | 2.125 |
| Length B (mm) | 54 |
| Material | Steel |
| OEM Mfg | Detroit |
| OEM Series | 7260 |
| SR(1)Brng Cap to Brng Cap(OSR) | 2.125 |
| SR(2)Brng Cap to Brng Cap(OSR) | 2.125 |
| Snap Ring Included | Y |
| Snap Ring Type | Internal |
| Type | ISR Style |
This part fits 27 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1985 | Buick | Riviera | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 1985 | Cadillac | Eldorado | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 1985 | Cadillac | Seville | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 1985 | Oldsmobile | Toronado | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 1984 | Buick | Riviera | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 1984 | Cadillac | Eldorado | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 1984 | Cadillac | Seville | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 1984 | Oldsmobile | Toronado | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 1983 | Buick | Riviera | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 1983 | Cadillac | Eldorado | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 1983 | Cadillac | Seville | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 1983 | Oldsmobile | Toronado | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 1982 | Buick | Riviera | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 1982 | Cadillac | Eldorado | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 1982 | Cadillac | Seville | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 1982 | Oldsmobile | Toronado | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 1981 | Buick | Riviera | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 1981 | Cadillac | Eldorado | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 1981 | Cadillac | Seville | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 1981 | Oldsmobile | Toronado | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 1980 | Buick | Riviera | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 1980 | Cadillac | Eldorado | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 1980 | Cadillac | Seville | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 1980 | Oldsmobile | Toronado | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 1979 | Buick | Riviera | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 1979 | Cadillac | Eldorado | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 1979 | Oldsmobile | Toronado | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.