OE Quality
60-Day Returns

KYB KG9025 Suspension Strut - Front
Overview of KYB Gas-a-just Suspension Strut KG9025
The KYB Gas-a-just suspension strut KG9025 is engineered for Toyota 4Runner models, providing reliable shock absorption and improved ride control. Designed to meet OE specifications, this strut offers precise damping performance tailored for your vehicle's suspension system.
- Compressed length: 14.02 inches
- Extended length: 17.91 inches
- Stroke length: 3.9 inches
- Lower mount type: E2 (14x40)
- Upper mount type: S1 (12mm)
- Includes dust cover for protection
- Right stop (R-stop) included
- No internal rebound spring or B-stop
Detailed Product Features and Specifications
The KYB Gas-a-just KG9025 suspension strut is designed with a compressed length of 14.02 inches and an extended length of 17.91 inches, providing a stroke length of 3.9 inches. This range ensures optimal travel for the suspension system on compatible Toyota 4Runner vehicles. The strut features an E2 (14x40) lower mount and an S1 (12mm) upper mount, ensuring a secure fit and proper alignment within the suspension assembly. A dust cover is included to protect the internal components from dirt and debris, extending the service life of the strut. The design incorporates a right stop (R-stop) but does not include an internal rebound spring or B-stop, which aligns with the original equipment design for this application.
About the KYB Gas-a-just Product Line
The Gas-a-just line from KYB is focused on providing gas-charged struts that deliver consistent damping performance and improved vehicle handling. This product line is engineered to restore the original ride quality and control of your Toyota 4Runner by using gas pressure to reduce foaming and maintain responsiveness under various driving conditions. The KG9025 strut is part of this line, offering a balance of comfort and control tailored to the suspension requirements of your vehicle.
Common Applications and Problem Solving
- Restores proper suspension travel and damping on Toyota 4Runner models
- Reduces excessive bouncing and body roll during driving
- Improves vehicle stability and handling on uneven terrain
- Eliminates noise and vibration caused by worn or damaged struts
- Protects suspension components with included dust cover
Installation Notes and Tips
When installing the KYB Gas-a-just KG9025 suspension strut, ensure compatibility with your Toyota 4Runner model year and suspension setup. Verify the lower mount type E2 (14x40) and upper mount type S1 (12mm) match your vehicle’s specifications. It is recommended to replace struts in pairs to maintain balanced handling. Use proper tools to compress the strut safely during installation and inspect mounting hardware for wear or damage. The included dust cover should be positioned correctly to protect the strut shaft from contaminants.
Quality Assurance and Warranty
KYB manufactures the Gas-a-just KG9025 suspension strut to meet or exceed original equipment standards. Each unit undergoes rigorous testing to ensure durability and consistent performance. While specific warranty details may vary, KYB typically offers coverage against defects in materials and workmanship. Consult the product documentation or manufacturer for exact warranty terms related to this part.
| Brand | Standard Ignition |
|---|---|
| Part Number | BST155 |
| Position | Gas-a-just |
| Connector Gender | Female |
| Connector Shape | Oval |
| Connector Type | Plug In |
| Contents | Sensor |
| Terminal Gender | Male |
| Terminal Type | Blade |
This part fits 7 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2002 | Toyota | 4Runner | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 2001 | Toyota | 4Runner | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 2000 | Toyota | 4Runner | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 1999 | Toyota | 4Runner | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 1998 | Toyota | 4Runner | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 1997 | Toyota | 4Runner | Front | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just |
| 1996 | Toyota | 4Runner | 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.
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.