1991 Ford Thunderbird Vehicle Lights

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Premium LED tower bulbs with 5 diodes replace or upgrade 921 and 906 light bulbs to provide cool white light for your automotive, RV, or marine application. Compatible with dimmable fixtures. Built-in surge protection. Wedge base.

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Premium LED tower bulbs with 5 diodes replace or upgrade 921 and 906 light bulbs to provide warm white light for your automotive, RV, or marine application. Compatible with dimmable fixtures. Built-in surge protection. Wedge base.

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Get a cool blue look, bright light, and reduced eye fatigue with these halogen headlight bulbs. Replacement bulbs with light blue tint deliver more light output and greater visibility than factory bulbs.

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Get a focused and controlled beam with no glare from your low beams with these 9005 single-beam LED headlight bulbs. Concept series bulbs feature built-in LED drivers with advanced temperature regulation. Plug-and-play installation.

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Get increased visibility and range from your high beams with these powerful 9005 single-beam LED headlight bulbs. Xtreme series bulbs feature automotive-grade LED chips that are 5 times brighter than halogen bulbs. Plug-and-play installation.

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Developed to deliver the penetrating light needed from your fog lights or ATV/UTV headlights, these LED bulbs improve clarity and contrast. Stout construction and an enhanced, active cooling system keep these bulbs at full power from dusk to dawn.

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Replace your vehicle's headlight bulbs before they burn out to maintain better penetration and visibility. As an original equipment maker for several brands, Sylvania delivers quality, value, and great fit - even in their standard grade bulbs.

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Replace your vehicle's headlight bulbs before they burn out to maintain better penetration and visibility. As an original equipment maker for several brands, Sylvania delivers quality, value, and great fit - even in their standard grade bulbs.

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With brighter, whiter light output than your traditional, factory bulbs, these replacement halogens maintain the same overall look of your vehicle while providing intense, pure-white light for improved visibility.

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Designed for headlamps with projector lenses, these bulbs have Cree LEDs to produce a total of 6,000 lumens of bright white light. Each bulb has a zero-space copper heat sink and heat-resistant aluminum tower. Includes anti-flicker wiring.

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Don't wait until your vehicle's lights fail, replace the pair as they dim and you're having more problems seeing up the road. Protect family and neighbors with the brighter beam and reduced glare of the XtraVision series from Sylvania.

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With brighter, whiter light output than your traditional, factory bulbs, these replacement halogens maintain the same overall look of your vehicle while providing intense, pure-white light for improved visibility.

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With brighter, whiter output and longer light beams than traditional factory bulbs, these halogens maintain the look of your vehicle and provide intense, pure-white light for dramatically improved visibility. Department of Transportation approved.

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Don't wait until your vehicle's lights fail, replace the pair as they dim and you're having more problems seeing up the road. Protect family and neighbors with the brighter beam and reduced glare of the XtraVision series from Sylvania.

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Don't wait until your vehicle's headlights fail, update them as they dim and experience premium halogen visibility. These bulbs deliver the lighting you require, providing a whiter, longer range beam, clarity, and excellent roadside coverage.

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Developed to deliver the penetrating light needed from your fog lights or ATV/UTV headlights, these LED bulbs improve clarity and contrast. Stout construction and an enhanced, active cooling system keep these bulbs at full power from dusk to dawn.

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Get a focused and controlled beam with no glare from your low beams with these 9006 single-beam LED headlight bulbs. Concept series bulbs feature built-in LED drivers with advanced temperature regulation. Plug-and-play installation.

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High-power CSP LEDs provide 5,000 lumens of bright white light to upgrade your factory halogen headlight bulbs. Miniature capacitors remove need for external anti-flicker module. Precision terminal system ensures fit with existing OEM harness.

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High-power CSP LEDs provide 5,000 lumens of bright white light to upgrade your factory halogen headlight bulbs. Miniature capacitors remove need for external anti-flicker module. Precision terminal system ensures fit with existing OEM harness.

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Get increased visibility and range from your high beams with these powerful 9006 single-beam LED headlight bulbs. Xtreme series bulbs feature automotive-grade LED chips that are 5 times brighter than halogen bulbs. Plug-and-play installation.

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Raise your expectations and awareness by replacing your aging or burnt out headlights with brighter, wider up-road lighting. Protect family and neighbors with the sharper, whiter beam, and increased contrast of the Sylvania SilverStar advantage.

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Raise your expectations and awareness by replacing your aging or burnt out headlights with brighter, wider up-road lighting. Protect family and neighbors with the sharper, whiter beam, and increased contrast of the Sylvania SilverStar advantage.

Features:

Don't wait until your vehicle's headlights fail, update them as they dim and experience premium halogen visibility. These bulbs deliver the lighting you require, providing a whiter, longer range beam, clarity, and excellent roadside coverage.