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TYC 20-17746-90 Headlight Assembly - Left
| Brand | TYC 20-17746-90 |
|---|---|
| Position | Left |
| Bulbs Included | Yes |
| Lens Color | Clear |
| Bulb Type | Led |
| Lens Material | Pc-plastic |
| Housing Material | Pp-plastic |
| 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 | Led |
| Front Signal Light Bulb Included | Yes |
| Front Signal Light Bulb Type | Led |
| Hardware Included | No |
| High Beam Bulb Included | Yes |
| High Beam Bulb Type | Led |
| Low Beam Bulb Included | Yes |
| Low Beam Bulb Type | Led |
| Other Side | 20-17745-90 |
| Park Lamp Bulb Included | Yes |
| Park Lamp Bulb Type | Led |
| Remarks | Limited model |
| Sae/dot Compliant | Yes |
| Product line | TYC Regular |
| Fits | Toyota · 5 vehicles |
Complete assembly. Includes the full headlight unit for a streamlined exterior lighting replacement.
LED lighting. Uses LED bulbs for the low beam, high beam, park lamp, signal, and marker functions.
Road-use compliant. Built to SAE/DOT standards for exterior lighting requirements.
Cross-references 81150-08120 and TO2502307 for the same application. See all 2.
Compatible With Toyota Sienna Lighting
This TYC Regular headlight assembly is built for the left side and matches the limited model application for the Toyota Sienna. It uses LED bulbs throughout and comes as a complete assembly for a direct exterior lighting replacement.
- Fits 2021-2025 Toyota Sienna, left.
- Complete headlight assembly with clear lens and LED lighting elements.
- SAE/DOT compliant for road-use lighting requirements.
- Polycarbonate lens and polypropylene housing for exterior durability.
Product Details
Part number 20-17746-90 is a left headlight assembly with a clear lens, LED low beam, high beam, park lamp, daytime running light, front signal light, and front side marker light functions. The complete assembly format simplifies replacement of the exterior lamp unit while maintaining the original lighting layout for the Toyota Sienna limited model. Part number 20-17746-90 also cross-references Toyota 81150-08120 and TO2502307 for the same application.
Common Replacement Needs
- Cracked or clouded headlight lens.
- Failed LED lighting functions in the lamp assembly.
- Water intrusion or housing damage.
- Dim, uneven, or non-working front lighting.
- Restoring exterior lighting after collision damage.
Installation Notes
Verify left-side fitment and limited model application before installation. This assembly uses integrated LED lighting components and does not list hardware included. Confirm connector condition and alignment during replacement to ensure proper beam aim and lamp operation.
Quality Assurance
TYC Regular lighting products are built as replacement assemblies for exterior vehicle lighting applications and this unit is SAE/DOT compliant. Part number 20-17746-90 is specified for the Toyota Sienna limited model fitment shown above.
| Year | Make | Model | Submodel | Body Type | Position | Notes |
|---|---|---|---|---|---|---|
| 2025 | Toyota | Sienna | Limited | Mini Passenger Van | Left | TYC Regular |
| 2024 | Toyota | Sienna | Limited | Mini Passenger Van | Left | TYC Regular |
| 2023 | Toyota | Sienna | Limited | Mini Passenger Van | Left | TYC Regular |
| 2022 | Toyota | Sienna | Limited | Mini Passenger Van | Left | TYC Regular |
| 2021 | Toyota | Sienna | Limited | Mini Passenger Van | Left | TYC Regular |
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