OE Quality
60-Day Returns

TYC 20-17500-00-9 Headlight Assembly - Left
Overview of TYC CAPA Certified Headlight Assembly for Toyota Highlander
The TYC CAPA Certified Headlight Assembly 20-17500-00-9 is designed specifically for the left side of Toyota Highlander models. This complete headlight assembly features LED bulbs and clear PC plastic lens for reliable exterior lighting performance.
- Complete headlight assembly with bulbs included
- LED low beam, high beam, daytime running light, and park lamp bulbs
- Halogen bulbs for front side marker and front signal lights
- Clear PC plastic lens and durable PP plastic housing
- CAPA Certified for quality and fitment assurance
- SAE/DOT compliant for road safety standards
Detailed Product Features and Specifications
This TYC headlight assembly (part number 20-17500-00-9) is engineered with a clear PC plastic lens that provides optimal light transmission and resistance to environmental elements. The housing is constructed from PP plastic, offering durability and protection for the internal components. The assembly includes LED bulbs for the low beam, high beam, daytime running light, and park lamp, ensuring energy-efficient and long-lasting illumination. Additionally, the front side marker light uses a halogen W5W bulb, and the front signal light is equipped with a halogen 7444 bulb, maintaining proper signaling functions. This left-side assembly is designed to meet SAE and DOT compliance standards, making it suitable for street use on Toyota Highlander vehicles.
About the CAPA Certified Product Line
The CAPA Certified line from TYC represents parts that meet the Certified Automotive Parts Association standards for fit, form, and function. This certification ensures that the headlight assembly 20-17500-00-9 provides reliable performance and precise fitment for Toyota Highlander models, offering a quality replacement option that aligns with OEM specifications.
Common Applications and Problem Resolution
- Replacement for damaged or cracked left headlight assemblies on Toyota Highlander
- Upgrade to LED lighting for improved visibility and energy efficiency
- Restoration of proper front signal and side marker light functionality
- Correction of foggy or yellowed lenses affecting light output
- Ensuring compliance with SAE/DOT lighting regulations
Installation Notes and Tips
Installation of the TYC CAPA Certified Headlight Assembly 20-17500-00-9 requires removal of the existing left headlight unit. Since this assembly includes all necessary bulbs except hardware, verify that mounting clips and screws from the original assembly are intact and reusable. Handle the LED bulbs carefully to avoid damage during installation. It is recommended to test all lighting functions before finalizing the installation to ensure proper operation.
Quality Assurance and Warranty Information
TYC CAPA Certified headlight assemblies are manufactured to meet strict quality standards, including SAE and DOT compliance. While specific warranty details are not provided here, CAPA certification indicates adherence to industry standards for durability and fitment. Buyers should consult product documentation or the manufacturer for warranty terms related to part number 20-17500-00-9.
| Brand | TYC |
| Part Number | 20-17500-00-9 |
| Position | CAPA Certified, Left |
| Bulbs Included | Yes |
| Lens Color | Clear |
| Bulb Type | Led |
| Lens Material | Pc plastic |
| Housing Material | Pp plastic |
| Hardware Included | No |
| Components Included | Complete assembly |
| Daytime Running Light Bulb Included | Yes |
| Daytime Running Light Bulb Type | Led |
| Front Side Marker Light Bulb Included | Yes |
| Front Side Marker Light Bulb Type | Halogen w5w |
| Front Signal Light Bulb Included | Yes |
| Front Signal Light Bulb Type | Halogen 7444 |
| High Beam Bulb Included | Yes |
| High Beam Bulb Type | Led |
| Low Beam Bulb Included | Yes |
| Low Beam Bulb Type | Led |
| Other Side | 20-17499-00-9 |
| Park Lamp Bulb Included | Yes |
| Park Lamp Bulb Type | Led |
| Position | Left |
| Sae/dot Compliant | Yes |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Submodel | Body Type | Position | Notes |
|---|---|---|---|---|---|---|
| 2025 | Toyota | Highlander | Limited | Sport Utility | Left | LED Type; CAPA Certified |
| 2024 | Toyota | Highlander | Hybrid Limited | Sport Utility | Left | LED Type; CAPA Certified |
| 2023 | Toyota | Highlander | Limited | Sport Utility | Left | LED Type; CAPA Certified |
| 2022 | Toyota | Highlander | Limited | Sport Utility | Left | LED Type; CAPA Certified |
| 2021 | Toyota | Highlander | Limited | Sport Utility | Left | LED Type; CAPA Certified |
| 2021 | Toyota | Highlander | Hybrid Limited | Sport Utility | Left | LED Type; CAPA Certified |
| 2020 | Toyota | Highlander | Limited | Sport Utility | Left | LED Type; CAPA Certified |
| 2020 | Toyota | Highlander | Hybrid Limited | Sport Utility | Left | LED Type; CAPA Certified |
* 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.