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TYC 20-9943-00 Headlight Assembly - Right
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.
| Brand | TYC |
| Part Number | 20-9943-00 |
| Position | TYC Regular, Right |
| Bulbs Included | Yes |
| Lens Color | Clear, amber |
| Bulb Type | Halogen |
| Lens Material | Plastic |
| Housing Material | Plastic |
| Front Side Marker Light Bulb Included | Included |
| Front Side Marker Light Bulb Type | Halogen |
| Front Signal Light Bulb Included | Not included |
| High Beam Bulb Included | Yes |
| High Beam Bulb Type | Halogen |
| Low Beam Bulb Included | Yes |
| Low Beam Bulb Type | H11/hb3 |
| Other Side | 20-9944-00 |
| Park Lamp Bulb Included | Not included |
| Position | Right |
| Remarks | Halogen bulb type |
| Sae/dot Compliant | Yes |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Body Type | Position | Notes |
|---|---|---|---|---|---|
| 2018 | Mazda | 3 | Sedan | Right | Halogen Type; Other Side: 20-9944-00; TYC Regular |
| 2018 | Mazda | 3 | Hatchback | Right | Halogen Type; Other Side: 20-9944-00; TYC Regular |
| 2017 | Mazda | 3 | Hatchback | Right | Halogen Type; Other Side: 20-9944-00; TYC Regular |
| 2017 | Mazda | 3 | Sedan | Right | Halogen 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.