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KYB SR4451 Suspension Strut and Coil Spring Assembly - Front Left
Overview of KYB Strut-Plus Suspension Strut for Toyota Highlander
The KYB Strut-Plus SR4451 is a complete suspension strut and coil spring assembly designed specifically for the Toyota Highlander. This assembly provides a direct replacement solution that restores the vehicle's original ride height and handling characteristics.
- Complete suspension strut and coil spring assembly
- Compatible with Toyota Highlander models
- Part number SR4451 for precise fitment
- Includes both strut and coil spring for simplified installation
- Engineered to maintain factory ride height and suspension geometry
Detailed Description of the KYB Strut-Plus SR4451
The KYB Strut-Plus line offers a fully assembled suspension strut and coil spring unit, eliminating the need to compress springs during installation. This reduces installation time and enhances safety. The SR4451 is engineered to meet the exact specifications of the Toyota Highlander, ensuring proper fit and function. By combining the strut and coil spring into one assembly, the Strut-Plus product line provides a reliable replacement that maintains the vehicle’s original suspension performance and ride comfort.
Common Applications and Issues Addressed
- Restores suspension performance after worn or damaged struts
- Corrects sagging or uneven ride height
- Eliminates excessive noise or vibration from faulty struts
- Improves vehicle handling and stability
- Addresses coil spring fatigue or breakage
Installation Notes and Tips
- Designed as a direct bolt-on replacement for Toyota Highlander models
- No spring compressor required due to pre-assembled design
- Ensure all mounting hardware is inspected and replaced if necessary
- Alignment check recommended after installation
- Follow vehicle manufacturer torque specifications for mounting bolts
Quality Assurance and Warranty Information
KYB manufactures the Strut-Plus SR4451 to meet or exceed OEM standards for durability and performance. Each assembly undergoes rigorous quality control to ensure reliability. While specific warranty details may vary, KYB typically offers a limited warranty covering defects in materials and workmanship. Refer to KYB documentation for exact warranty terms.
| Brand | Autolite |
|---|---|
| Part Number | 985 |
| Position | Strut-Plus |
| Center Electrode Core Material | Copper |
| Center Electrode Design | Standard / Regular |
| Center Electrode Tip Material | Nickel |
| Electrical Terminal Type | Stud |
| Ground Electrode Core Material | Nickel |
| Ground Electrode Quantity | 1 |
| Ground Electrode Tip Design | Tapered |
| Ground Electrode Tip Material | Nickel |
| Hex Size | 16 |
| Hex Size | 5/8" |
| Insulator Material | Ceramic |
| Insulator Type | Extra-Long |
| Pre-Gap Size | 0.034 |
| Pre-Gap Size | 0.90 |
| Reach | 0.750 |
| Reach | 19.5 |
| Resistance | 4000 |
| Resistor Type | Yes |
| Seat Type | Flat |
| Thread Diameter | 14.0 |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2010 | Toyota | Highlander | Front Left | Recommended OEM Replacement; TO 08/2010; Strut-Plus |
| 2009 | Toyota | Highlander | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Strut-Plus |
| 2008 | Toyota | Highlander | Front Left | Replace suspension strut and coil spring assembly according to manufacturer's instructions.; Strut-Plus |
* 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.