TYC 20-9966-90 Headlight Assembly - Left
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TYC
 TYC Regular

TYC 20-9966-90 Headlight Assembly - Left

Brand TYC 20-9966-90
Position Left
Bulb Type Halogen
Bulbs Included YES
Components Included Complete Assembly
Front Side Marker Light Bulb Included Not Included
Front Signal Light Bulb Included Not Included
Hardware Included No
High Beam Bulb Included YES
High Beam Bulb Type Halogen
Housing Material Plastic
Lens Material Plastic
Low Beam Bulb Included YES
Low Beam Bulb Type Halogen
Other Side 20-9965-90
Park Lamp Bulb Included Not Included
Remarks w/o Daytime Running Lamps
Sae/dot Compliant Yes
Product line TYC Regular
Fits Honda · 4 vehicles

Complete assembly. Includes bulbs for a ready-to-install lighting solution.

Halogen bulbs included. Provides both high and low beam illumination.

SAE/DOT compliant. Meets recognized lighting standards for road use.

Cross-references Honda 33150-THR-A01 and Partslink HO2502185 for the same application. See all 2.

$131.45Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $131.45
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
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Honda Odyssey Left Headlight Assembly

This TYC headlight assembly is a direct-fit exterior lighting replacement for the left side of select Honda Odyssey models. It is built as a complete assembly with halogen bulbs included for the high beam and low beam functions, making it a practical choice for restoring forward lighting performance on 2018-2021 Honda Odyssey vehicles without daytime running lamps.

Key Features

  • Fits 2018-2021 Honda Odyssey, left
  • TYC Regular line headlight assembly
  • Complete assembly with bulbs included
  • Halogen bulb type for high beam and low beam
  • Plastic lens and plastic housing
  • SAE/DOT compliant
  • Designed for vehicles without daytime running lamps
  • Cross-reference: Honda 33150-THR-A01; Partslink HO2502185

Detailed Product Overview

TYC Part Number 20-9966-90 is a left headlight assembly engineered for the Honda Odyssey in the 2018-2021 model years. The TYC Regular product line focuses on OE-style replacement lighting, and this assembly follows the original application layout for vehicles equipped with halogen headlamps and no daytime running lamps. The unit includes the complete assembly with high beam and low beam bulbs installed, while the front side marker, front signal, and park lamp bulbs are not included.

Built with a plastic lens and plastic housing, this headlight assembly is intended for direct replacement of the original left-side lamp on the Honda Odyssey. Part number 20-9966-90 also cross-references Honda 33150-THR-A01 and Partslink HO2502185 for the same application.

Common Reasons to Replace

  • Cracked or clouded headlight lens
  • Dim or failed low beam or high beam output
  • Water intrusion into the headlamp housing
  • Broken mounting points or damaged housing
  • Restoring proper front-end lighting on a Honda Odyssey

Installation Notes and Tips

Verify left-side fitment before installation and confirm the vehicle is equipped without daytime running lamps. This assembly is intended for 2018-2021 Honda Odyssey applications on the left side, and the opposite side reference is 20-9965-90. Check bulb connections, aim the headlamp after installation, and confirm all lighting functions operate correctly before returning the vehicle to service.

Quality Assurance

This TYC headlight assembly is SAE/DOT compliant for road-use lighting standards. The TYC Regular line provides an OE-style replacement option for drivers seeking a direct-fit exterior lighting component for the Honda Odyssey.

Related reading

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypePositionNotes
2021HondaOdysseyLXMini Passenger VanLeftw/o Daytime Running Lamps; Other Side: 20-9965-90; TYC Regular
2020HondaOdysseyLXMini Passenger VanLeftw/o Daytime Running Lamps; Other Side: 20-9965-90; TYC Regular
2019HondaOdysseyLXMini Passenger VanLeftw/o Daytime Running Lamps; Other Side: 20-9965-90; TYC Regular
2018HondaOdysseyLXMini Passenger VanLeftw/o Daytime Running Lamps; Other Side: 20-9965-90; TYC Regular
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Honda — 33150-THR-A01Partslink — HO2502185