HomeElectrical, Lighting and Body > Lighting - ExteriorTYC 20-17174-00 Headlight Assembly - Left
Part #: 20-17174-00

TYC 20-17174-00 Headlight Assembly - Left

TYC Regular, Left
⚙️ 13 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦TYC Regular, Left
🚗Fitment: Toyota, Prius
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Overview of TYC Regular Headlight Assembly for Toyota Prius

The TYC Regular Headlight Assembly 20-17174-00 is designed specifically for the left side of Toyota Prius models without fog lights. This headlight assembly features LED bulbs and a clear, amber lens to ensure proper lighting and visibility while maintaining compliance with SAE/DOT standards.

  • Includes LED bulbs for low beam, high beam, and daytime running lights
  • Clear and amber PC plastic lens with PP plastic housing
  • Designed without adaptive front lighting system (W/o AFS)
  • Daytime running light bulb included (LED type)
  • Park lamp bulb included (Halogen W5W)
  • Compatible with Toyota Prius models lacking fog lights
  • Left side position, part number 20-17174-00

TYC Regular Product Line Details

The TYC Regular product line offers reliable replacement lighting components that meet OEM specifications. This line focuses on providing quality headlight assemblies with durable materials such as PC plastic lenses and PP plastic housings. The 20-17174-00 headlight assembly is part of this line, ensuring compatibility and performance for Toyota Prius vehicles without adaptive headlamps or fog lights.

Product Features and Specifications

This headlight assembly includes LED bulbs for both low and high beams, as well as the daytime running lights, enhancing energy efficiency and longevity compared to traditional halogen bulbs. The lens combines clear and amber colors to meet lighting regulations and improve visibility. The housing is constructed from polypropylene plastic, offering resistance to impact and environmental factors. The assembly also includes halogen W5W bulbs for the park lamp, while front side marker and front signal light bulbs are not included.

Common Applications and Problem Solving

  • Replacement for damaged or cracked left headlight assembly on Toyota Prius
  • Upgrade to LED lighting for improved visibility and energy efficiency
  • Restores proper lighting function for vehicles without fog lights
  • Ensures compliance with SAE/DOT lighting standards
  • Resolves issues with dim or non-functioning low beam, high beam, or daytime running lights

Installation Notes and Tips

This headlight assembly is designed for direct replacement on the left side of Toyota Prius models without fog lights. It does not include adaptive front lighting system features, so ensure your vehicle configuration matches. Bulbs for low beam, high beam, daytime running lights, and park lamps are included, but front side marker and front signal light bulbs are not. Verify part number 20-17174-00 matches your vehicle’s requirements before installation.

Quality Assurance and Compliance

The TYC Regular 20-17174-00 headlight assembly is SAE and DOT compliant, meeting federal safety standards for exterior vehicle lighting. Manufactured with durable PC plastic lenses and PP plastic housings, this assembly is built to withstand typical road conditions. While no specific warranty information is provided, TYC products generally adhere to industry quality standards for replacement automotive lighting parts.

BrandTYC
Part Number20-17174-00
PositionTYC Regular, Left
Bulbs IncludedYes
Lens ColorClear, amber
ConfigurationW/o afs
Bulb TypeLed
Lens MaterialPc plastic
Housing MaterialPp plastic
Daytime Running Light Bulb IncludedYes
Daytime Running Light Bulb TypeLed
Front Side Marker Light Bulb IncludedNo
Front Side Marker Light Bulb TypeHalogen w5w
Front Signal Light Bulb IncludedNo
Front Signal Light Bulb TypeLed ly5b
High Beam Bulb IncludedYes
High Beam Bulb TypeLed
Low Beam Bulb IncludedYes
Low Beam Bulb TypeLed
Notes 1For the car that doesn't come with the fog lights
Other Side20-17173-00
Park Lamp Bulb IncludedYes
Park Lamp Bulb TypeHalogen w5w
PositionLeft
RemarksW/o adaptive headlamps
Sae/dot CompliantYes

This part fits 13 vehicles. Search below:

YearMakeModelSubmodelBody TypePositionNotes
2022ToyotaPriusLEHatchbackLeftw/o Adaptive Headlamps; TYC Regular
2021ToyotaPriusLEHatchbackLeftw/o Fog Lamps; w/o Adaptive Headlamps; TYC Regular
2021ToyotaPriusL EcoHatchbackLeftw/o Fog Lamps; w/o Adaptive Headlamps; TYC Regular
2021ToyotaPriusXLEHatchbackLeftw/o Fog Lamps; w/o Adaptive Headlamps; TYC Regular
2021ToyotaPriusLimitedHatchbackLeftw/o Fog Lamps; w/o Adaptive Headlamps; TYC Regular
2020ToyotaPriusXLEHatchbackLeftw/o Fog Lamps; w/o Adaptive Headlamps; TYC Regular
2020ToyotaPriusLimitedHatchbackLeftw/o Fog Lamps; w/o Adaptive Headlamps; TYC Regular
2020ToyotaPriusLEHatchbackLeftw/o Fog Lamps; w/o Adaptive Headlamps; TYC Regular
2020ToyotaPriusL EcoHatchbackLeftw/o Fog Lamps; w/o Adaptive Headlamps; TYC Regular
2019ToyotaPriusL EcoHatchbackLeftw/o Fog Lamps; w/o Adaptive Headlamps; TYC Regular
2019ToyotaPriusLEHatchbackLeftw/o Fog Lamps; w/o Adaptive Headlamps; TYC Regular
2019ToyotaPriusLimitedHatchbackLeftw/o Fog Lamps; w/o Adaptive Headlamps; TYC Regular
2019ToyotaPriusXLEHatchbackLeftw/o Fog Lamps; w/o Adaptive Headlamps; TYC Regular

* 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:

TO2502280

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