TYC
CAPA Certified

TYC 20-6662-01-9 Headlight Assembly - Left

Brand TYC 20-6662-01-9
Position Left
Bulb Type Halogen
Bulbs Included No
Components Included Lens And Housing
Hardware Included No
High Beam Bulb Included No
High Beam Bulb Type Halogen
Housing Material Plastic
Lens Color Clear
Lens Material Plastic
Low Beam Bulb Included No
Low Beam Bulb Type Halogen
Other Side 20-6661-01-9
Sae/dot Compliant Yes
Product line CAPA Certified
Fits Mazda · 13 vehicles

CAPA Certified. Meets a recognized quality standard for dependable exterior lighting.

Clear lens. Delivers a clean, factory-style appearance.

Halogen design. Uses halogen bulbs for familiar lighting performance.

Cross-references Mazda BN8P-51-0L0D and Partslink MA2518108 for the same application. See all 2.

$123.92Free shipping
In stock · usually ships same day before 1pm CST
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Order total $123.92
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Free returns within 60 days if it doesn't fit when fitment is verified.

Left Headlight Assembly for Mazda 3

This TYC CAPA Certified headlight assembly is a direct-fit left headlight for the 2004-2009 Mazda 3 with halogen lighting. It includes the lens and housing in clear plastic construction and is built for vehicles that use separate halogen high and low beam bulbs.

Key Features

  • TYC CAPA Certified replacement headlight assembly
  • Fits 2004-2009 Mazda 3, left
  • Clear lens with plastic lens material
  • Plastic housing for OE-style fit and appearance
  • Halogen bulb type for both high beam and low beam applications
  • SAE/DOT compliant
  • Components included: lens and housing
  • Other side reference: 20-6661-01-9

Product Details

TYC Part Number 20-6662-01-9 is a left headlight assembly for the Mazda 3, covering model years 2004 through 2009 with halogen headlamp equipment. The CAPA Certified designation identifies this as a certified replacement part for the front lighting system, while the clear lens and plastic housing support a factory-style exterior appearance. This headlight assembly is listed as SAE/DOT compliant and is cross-referenced to Mazda BN8P-51-0L0D and Partslink MA2518108 for the same application. If you are replacing a damaged or clouded driver-side lamp on a Mazda 3, Part Number 20-6662-01-9 provides the correct left-side fitment.

Common Reasons for Replacement

  • Cracked or broken left headlight lens
  • Cloudy or yellowed headlamp lens
  • Moisture intrusion in the headlight housing
  • Dim or uneven forward lighting from a damaged assembly
  • Collision damage to the driver-side front lighting

Installation Notes

Verify halogen headlamp equipment before ordering. This assembly does not include bulbs or hardware, so transfer or source the required lighting components separately. Confirm the left-side orientation and compare the existing unit to the other side reference 20-6661-01-9 before installation. For best results, inspect connectors, aiming points, and mounting tabs during replacement on the Mazda 3.

Quality Assurance

TYC CAPA Certified lighting parts are built to meet certification requirements for replacement fit and performance. This headlight assembly is also SAE/DOT compliant for road use.

This part fits 13 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypePositionNotes
2009Mazda3iSedanLeftHalogen Type; Bulb Type: Halogen; Other Side: 20-6661-01-9; CAPA Certified
2009Mazda3SSedanLeftHalogen Type; Bulb Type: Halogen; Other Side: 20-6661-01-9; CAPA Certified
2008Mazda3iSedanLeftHalogen Type; Bulb Type: Halogen; Other Side: 20-6661-01-9; CAPA Certified
2008Mazda3SSedanLeftHalogen Type; Bulb Type: Halogen; Other Side: 20-6661-01-9; CAPA Certified
2007Mazda3SSedanLeftHalogen Type; Bulb Type: Halogen; Other Side: 20-6661-01-9; CAPA Certified
2007Mazda3iSedanLeftHalogen Type; Bulb Type: Halogen; Other Side: 20-6661-01-9; CAPA Certified
2006Mazda3iSedanLeftHalogen Type; Bulb Type: Halogen; Other Side: 20-6661-01-9; CAPA Certified
2006Mazda3SSedanLeftHalogen Type; Bulb Type: Halogen; Other Side: 20-6661-01-9; CAPA Certified
2005Mazda3iSedanLeftHalogen Type; Bulb Type: Halogen; Other Side: 20-6661-01-9; CAPA Certified
2005Mazda3SP23SedanLeftHalogen Type; Bulb Type: Halogen; Other Side: 20-6661-01-9; CAPA Certified
2005Mazda3SSedanLeftHalogen Type; Bulb Type: Halogen; Other Side: 20-6661-01-9; CAPA Certified
2004Mazda3SSedanLeftHalogen Type; Bulb Type: Halogen; Other Side: 20-6661-01-9; CAPA Certified
2004Mazda3iSedanLeftHalogen Type; Bulb Type: Halogen; Other Side: 20-6661-01-9; CAPA Certified
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Mazda — BN8P-51-0L0DPartslink — MA2518108