HomeSuspension > Shocks and StrutsKYB KG9025 Suspension Strut - Front
Part #: BST155

KYB KG9025 Suspension Strut - Front

Gas-a-just
7 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Gas-a-just
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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.

BrandStandard Ignition
Part NumberBST155
PositionGas-a-just
Connector GenderFemale
Connector ShapeOval
Connector TypePlug In
ContentsSensor
Terminal GenderMale
Terminal TypeBlade

This part fits 7 vehicles. Search below:

YearMakeModelPositionNotes
2002Toyota4RunnerFrontReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just
2001Toyota4RunnerFrontReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just
2000Toyota4RunnerFrontReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just
1999Toyota4RunnerFrontReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just
1998Toyota4RunnerFrontReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just
1997Toyota4RunnerFrontReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Gas-a-just
1996Toyota4RunnerFrontReplace 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:

0265005322192089055S1386076638BBST155MSSA4NBST610

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.