1. Introduction
This manual provides essential information for the installation, operation, maintenance, and troubleshooting of your KUIPERAUTO Front and Rear Complete Strut Assemblies. These assemblies are designed to restore your vehicle's ride quality, handling, and safety. Please read this manual thoroughly before proceeding with installation or use.
Important Safety Notice: Installation of automotive suspension components requires specialized tools and knowledge. Improper installation can lead to serious injury or vehicle damage. It is highly recommended that installation be performed by a qualified professional mechanic.
2. Vehicle Fitment
These complete strut assemblies are compatible with the following vehicle models and years:
- 2007-2011 Toyota Camry 2.4L & 3.5L (Excludes SE Models for 2010-2011 2.5L)
- 2006-2011 Toyota Avalon 3.5L
- 2007-2008 Lexus ES350 3.5L
Interchange Part Numbers: 172307, 172308, 172309, 172310; 182307, 182308, 182309, 182310, 11742, SR4108, SR4112, SR4113, 15361, 15362, SR4109, XS857125321, 11741.
Always verify compatibility with your specific vehicle's make, model, year, and engine size before purchase and installation.
3. Components Included
The package includes:
- Front and Rear Complete Strut Assemblies (Set of 4)

This image displays the complete set of four KUIPERAUTO strut assemblies, including front and rear units, as they appear in their product packaging.
4. Product Features and Advantages
- Enhanced Damping Performance: KUIPERAUTO struts effectively dissipate energy from uneven road surfaces, providing a smooth and controlled ride. This design helps maintain consistent tire-to-road contact, enhancing vehicle safety and reducing driver fatigue.
- Durable Construction: Built with high-quality steel, these struts offer excellent compression and fatigue resistance. The steel rod is micro-polished and double chrome-plated for increased durability and longevity.
- Leakage Prevention: Features upgraded oil seals to prevent fluid leakage, ensuring consistent performance and a long service life.
- Noise Reduction: High-grade steel upper mounts and lower spring isolators are incorporated to provide a stable and quiet ride by preventing metal-to-metal contact and reducing vibrations.
- Dustproof Protection: A sturdy dust cover protects the strut rod and seal from environmental elements such as dust, impacts, and potential deformation.
- OE Specification Compliance: Each coil spring is precisely calibrated to meet original equipment (OE) specifications, ensuring proper fit and function.

This diagram highlights the high-quality steel construction of the strut, emphasizing its compression and fatigue resistance, along with a silicon electroscopic coating for corrosion and oxidation resistance.

A detailed view of the strut's upgraded oil seals, designed to prevent fluid leakage and ensure a smooth, controlled ride with extended service life.

This image shows the strut's upper mount and lower spring isolator, which contribute to a stable, noiseless ride by preventing metal-to-metal contact and reducing vibrations.

A view of the sturdy dust cover protecting the strut rod and seal from dust, impacts, leakage, and deformation, ensuring component longevity.
5. Installation (Setup)
The KUIPERAUTO complete strut assemblies are designed for direct replacement, meeting OE specifications for ease of installation. However, due to the critical nature of suspension components, professional installation is strongly recommended.
General Installation Steps (Consult a service manual for your specific vehicle for detailed instructions):
- Safely lift and support the vehicle on a level surface.
- Remove the wheel.
- Disconnect any brake lines, ABS sensor wires, or sway bar links attached to the old strut assembly.
- Remove the lower mounting bolts connecting the strut to the steering knuckle.
- Access the upper strut mount bolts from the engine bay or trunk area and remove them.
- Carefully remove the old strut assembly from the vehicle.
- Install the new KUIPERAUTO complete strut assembly, aligning the upper mounting studs and lower mounting holes.
- Secure all bolts and nuts to the manufacturer's specified torque settings.
- Reconnect any disconnected lines or links.
- Reinstall the wheel and lower the vehicle.
- Perform a wheel alignment after replacing suspension components to ensure proper vehicle handling and tire wear.

This diagram illustrates a complete strut assembly within a vehicle's suspension, highlighting its design for precise calibration and easy installation, meeting original equipment specifications.
6. Operation
Once installed, your KUIPERAUTO complete strut assemblies will contribute to:
- Improved Ride Comfort: Experience a smoother ride by effectively absorbing road impacts and vibrations.
- Enhanced Vehicle Stability: Maintain better control and stability, especially during turns and over uneven terrain.
- Consistent Tire Contact: Ensure optimal tire contact with the road surface, which is crucial for braking and handling performance.
- Reduced Noise: Benefit from the integrated noise reduction features for a quieter driving experience.
7. Maintenance
To ensure the longevity and optimal performance of your KUIPERAUTO strut assemblies, consider the following general maintenance practices:
- Regularly inspect suspension components for signs of wear, damage, or leakage.
- Check for proper torque on all mounting bolts during routine vehicle inspections.
- Keep the undercarriage of your vehicle clean, especially after driving in harsh conditions (e.g., salted roads, off-road).
- Address any unusual noises or changes in ride quality promptly.
8. Troubleshooting
If you experience any of the following issues, it may indicate a problem with your suspension components, including the struts:
- Abnormal Sound: Clunking, rattling, or squeaking noises, especially over bumps, can indicate worn or loose suspension parts.
- Vehicle Sway or Excessive Bouncing: If your vehicle sways excessively during turns, nose-dives when braking, or bounces continuously after hitting a bump, the struts may be failing.
- Strut Leakage: Visible fluid leaking from the strut body is a clear sign of a failed seal and requires immediate attention.
- Uneven Tire Wear: Scalloped or cupped tire wear patterns can be a symptom of worn struts or improper alignment.
If you observe any of these symptoms, it is recommended to have your vehicle inspected by a qualified mechanic.

This composite image shows visual indicators that suggest strut replacement is needed, including a vehicle with an abnormal sound, a swaying vehicle, a leaking strut, and a tire with uneven wear.
9. Specifications
| Attribute | Value |
|---|---|
| Brand | KUIPERAUTO |
| Auto Part Position | Front, Rear |
| Style | 07-11 Toyota Camry 2.4L 2.5L |
| Vehicle Service Type | Car |
| Exterior Finish | Painted |
| Material | Iron |
| OEM Part Number | 172307 172308 172309 172310 |
| Automotive Fit Type | Vehicle Specific Fit |
| UPC | 686654248205 |
| Manufacturer | KUIPERAUTO |
| Model | Struts |
| Item Weight | 92.7 pounds |
| Package Dimensions | 29.33 x 17.72 x 14.76 inches |
| Item Model Number | K104GJ108091011-1 |
| Manufacturer Part Number | K104GJ108091011-1 |
10. Warranty Information
For specific warranty details regarding your KUIPERAUTO Front and Rear Complete Strut Assemblies, please refer to the official KUIPERAUTO website or contact their customer service directly. Warranty terms typically cover manufacturing defects and may vary.
11. Customer Support
If you have any questions, require technical assistance, or need further information regarding your KUIPERAUTO product, please contact KUIPERAUTO customer support through their official channels. Contact information can typically be found on the product packaging or the manufacturer's website.