SYLVANIA H4666 XtraVision Headlight Bulb

Direct H4666 replacement bulb for Headlight applications

H4666 Bulb - XtraVision

H4666 Sealed Beam - XtraVision

The SYLVANIA XtraVision® Sealed Beam headlight delivers more downroad visibility using a brighter light bulb with no added glare. SYLVANIA achieves this with a robust filament design and propriety gas mixture that can be driven for superior performance. The SYLVANIA XtraVision® headlight has also been designed for maximum durability.

  • More downroad performance than SYLVANIA Basic
  • Increased downroad visibility with no added glare
  • Manufactured by trusted OEM light source supplier
  • Legal for on road use
  • Lights dim over time, replace in pairs for optimal performance

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