HomeElectrical, Lighting and Body > Lighting - ExteriorTYC 20-17374-90 Headlight Assembly - Left
Part #: 20-17374-90

TYC 20-17374-90 Headlight Assembly - Left

TYC Regular, Left
⚙️ 3 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦TYC Regular, Left
🚗Fitment: Hyundai, Ioniq
🔄Easy Returns — Return within 60 days for a full refund
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Overview of TYC Regular Left Headlight Assembly for Hyundai Ioniq

The TYC Regular left headlight assembly (part number 20-17374-90) is designed specifically for Hyundai Ioniq models. This complete headlight assembly includes all necessary halogen bulbs and features durable materials to ensure reliable exterior lighting performance.

  • Complete headlight assembly with bulbs included
  • Clear PC plastic lens for optimal light output
  • Durable PP-TD plastic housing for long-lasting protection
  • Includes halogen bulbs: low beam (H7), high beam (HB3), front signal (PY21W), front side marker (W5W), and park lamp (W5W)
  • Left side position, compatible with Hyundai Ioniq
  • Meets SAE/DOT compliance standards

Detailed Product Features and Specifications

This TYC Regular headlight assembly (20-17374-90) is engineered with a clear polycarbonate lens that provides excellent light transmission and resistance to impact and weathering. The housing is constructed from polypropylene with thermal deformation (PP-TD) plastic, offering durability against heat and environmental factors. The assembly comes fully equipped with halogen bulbs for all lighting functions: low beam (H7), high beam (HB3), front signal (PY21W), front side marker (W5W), and park lamp (W5W), ensuring a complete lighting solution without the need for additional bulb purchases.

The TYC Regular product line focuses on providing reliable, OE-quality replacement parts that meet or exceed original equipment specifications. This headlight assembly is designed to restore proper lighting performance and maintain the safety and appearance of your Hyundai Ioniq.

Common Applications and Problem Resolution

  • Replacement for damaged or cracked left headlight lens or housing
  • Restores proper illumination for low and high beam functions
  • Fixes malfunctioning or burnt-out halogen bulbs in the headlight assembly
  • Improves visibility and safety by replacing faded or yellowed lenses
  • Ensures compliance with SAE/DOT lighting standards for road use

Installation Notes and Tips

Installation of the TYC Regular left headlight assembly (20-17374-90) is straightforward for technicians familiar with Hyundai Ioniq lighting components. Since the assembly includes all required halogen bulbs, no additional bulb installation is necessary. However, hardware for mounting is not included and should be reused from the original assembly or sourced separately if damaged. Proper alignment of the headlight is recommended after installation to ensure optimal beam pattern and road visibility.

Quality Assurance and Warranty Information

TYC Regular headlight assemblies are manufactured to meet strict quality standards and comply with SAE/DOT regulations. This ensures dependable performance and safety on the road. While specific warranty details are not provided here, TYC products typically come with a limited warranty against defects in materials and workmanship. Verify warranty terms with the product supplier or manufacturer documentation.

BrandTYC
Part Number20-17374-90
PositionTYC Regular, Left
Bulbs IncludedYes
Lens ColorClear
Bulb TypeHalogen
Lens MaterialPc plastic
Housing MaterialPp-td plastic
Components IncludedComplete assembly
Front Side Marker Light Bulb IncludedYes
Front Side Marker Light Bulb TypeHalogen w5w
Front Signal Light Bulb IncludedYes
Front Signal Light Bulb TypeHalogen py21w
Hardware IncludedNo
High Beam Bulb IncludedYes
High Beam Bulb TypeHalogen hb3
Low Beam Bulb IncludedYes
Low Beam Bulb TypeHalogen h7
Other Side20-17373-90
Park Lamp Bulb IncludedYes
Park Lamp Bulb TypeHalogen w5w
PositionLeft
Sae/dot CompliantYes

This part fits 3 vehicles. Search below:

YearMakeModelSubmodelBody TypePositionNotes
2022HyundaiIoniqHybrid SEHatchbackLeftHalogen Type; TYC Regular
2021HyundaiIoniqHybrid SEHatchbackLeftHalogen Type; TYC Regular
2020HyundaiIoniqPlug-In Hybrid SEHatchbackLeftHalogen Type; 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:

92101-G2050-T2SHY2502256

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