HomeElectrical, Lighting and Body > Lighting - ExteriorTYC 20-9943-00 Headlight Assembly - Right
Part #: 20-9943-00

TYC 20-9943-00 Headlight Assembly - Right

TYC Regular, Right
⚙️ 4 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦TYC Regular, Right
🚗Fitment: Mazda, 3
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Reliable Headlight Assembly for Mazda 3 Right Side

The TYC Regular 20-9943-00 headlight assembly is designed specifically for the right side of Mazda 3 models. This assembly includes halogen bulbs for both high and low beams, ensuring proper illumination and compliance with SAE/DOT standards.

  • Includes halogen bulbs for high beam, low beam (H11/HB3), and front side marker light
  • Clear and amber lens colors for optimal visibility and signaling
  • Durable plastic lens and housing materials for long-lasting performance
  • Front side marker light bulb included (halogen type)
  • SAE/DOT compliant for road safety and legal use

Detailed Features of the TYC Regular Headlight Assembly

This headlight assembly from the TYC Regular line is engineered with a clear and amber plastic lens that provides effective light transmission and signaling capabilities. The housing is also made of plastic, offering a balance of durability and weight savings. The assembly comes with halogen bulbs included for the high beam, low beam (H11/HB3), and front side marker light, while the front signal and park lamp bulbs are not included. This ensures that the essential lighting components are ready for immediate use upon installation. The part number 20-9943-00 corresponds to the right side headlight, with the matching left side part number being 20-9944-00.

About the TYC Regular Product Line

The TYC Regular product line focuses on providing reliable and compliant lighting solutions for a variety of vehicle makes and models. This line emphasizes quality materials and fitment accuracy, making it a practical choice for replacement headlight assemblies like the 20-9943-00 designed for the Mazda 3.

Common Applications and Issues Addressed

  • Replacement for damaged or cracked right side headlight assembly on Mazda 3
  • Restores proper high and low beam lighting performance
  • Resolves issues with non-functioning front side marker lights
  • Improves vehicle visibility and signaling compliance
  • Ensures SAE/DOT compliance for legal road use

Installation Notes and Tips

When installing the TYC Regular 20-9943-00 headlight assembly, ensure the vehicle is turned off and the battery is disconnected to avoid electrical hazards. Align the assembly carefully to the mounting points on the right side of the Mazda 3. Since halogen bulbs are included, verify bulb seating and connections before finalizing installation. Refer to the vehicle’s service manual for specific torque specifications and wiring instructions.

Quality Assurance and Compliance

This headlight assembly meets SAE and DOT compliance standards, ensuring it adheres to safety and performance regulations. Manufactured with quality plastic materials for both lens and housing, the TYC Regular 20-9943-00 is built to maintain functionality and durability under normal driving conditions.

BrandTYC
Part Number20-9943-00
PositionTYC Regular, Right
Bulbs IncludedYes
Lens ColorClear, amber
Bulb TypeHalogen
Lens MaterialPlastic
Housing MaterialPlastic
Front Side Marker Light Bulb IncludedIncluded
Front Side Marker Light Bulb TypeHalogen
Front Signal Light Bulb IncludedNot included
High Beam Bulb IncludedYes
High Beam Bulb TypeHalogen
Low Beam Bulb IncludedYes
Low Beam Bulb TypeH11/hb3
Other Side20-9944-00
Park Lamp Bulb IncludedNot included
PositionRight
RemarksHalogen bulb type
Sae/dot CompliantYes

This part fits 4 vehicles. Search below:

YearMakeModelBody TypePositionNotes
2018Mazda3SedanRightHalogen Type; Other Side: 20-9944-00; TYC Regular
2018Mazda3HatchbackRightHalogen Type; Other Side: 20-9944-00; TYC Regular
2017Mazda3HatchbackRightHalogen Type; Other Side: 20-9944-00; TYC Regular
2017Mazda3SedanRightHalogen Type; Other Side: 20-9944-00; 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:

BABF-51-0K0D

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