Select your year, make, and model — then shop LED upgrades, HID kits, and HID bulbs direct from Flashtech Lighting.
CarBulbGuide helps drivers quickly find the correct low beam bulb size, high beam bulb size, fog light bulb size, brake light bulb size, reverse light bulb size, and interior bulb sizes for thousands of vehicles. When you are ready to upgrade, every result is built to send you to the matching Flashtech Lighting path for LED upgrades, HID kits, or factory HID bulb replacements.
This page now combines the interactive finder with indexable on-page content for common bulb sizes, factory HID fitments, vehicle coverage, and upgrade FAQs. That gives search engines more real text to understand while keeping the experience simple for shoppers.
These are some of the most common headlight, fog light, and factory HID bulb sizes people look up before buying an upgrade. Use these links when you already know your bulb size and want to go straight to the correct Flashtech bulb-size category.
Common low beam and fog light size
Popular high beam bulb size
Common low beam and fog light size
Common projector headlight bulb size
Dual beam headlight bulb size
Common low beam bulb size
Dual beam headlight bulb size
Common fog light bulb size
Common fog light bulb size
Common fog light bulb size
Factory HID projector bulb
Factory HID projector bulb
Factory HID projector bulb
Factory HID projector bulb
Factory HID vehicles use OEM xenon bulb families instead of standard halogen sizes. In general, S designations are projector-style HID bulbs and R designations are reflector-style HID bulbs. If your vehicle came with factory HID headlights, match the exact D-series bulb size shown in the finder before you buy replacement bulbs or an LED upgrade path.
Factory HID sizes covered on this page: D1S, D1R, D2S, D2R, D3S, D3R, D4S, D4R, D5S, and D8S. When these appear in search results on CarBulbGuide, the headlight card is labeled Headlight (Factory HID) and links to both LED Upgrade and HID Bulbs.
Projector-style factory HID bulb
Use when your vehicle came with OEM HID projector headlights from the factory.
Reflector-style factory HID bulb
Reflector HID size used in certain factory xenon headlight housings.
Projector-style factory HID bulb
Popular OEM HID size found in many European and Asian vehicles.
Reflector-style factory HID bulb
Reflector HID replacement size for select factory xenon systems.
Projector-style factory HID bulb
Mercury-free factory HID bulb used in many newer OEM xenon systems.
Reflector-style factory HID bulb
Reflector version of the D3 family for factory HID headlight systems.
Projector-style factory HID bulb
Mercury-free projector HID bulb used in many OEM headlight systems.
Reflector-style factory HID bulb
Reflector HID replacement size for select OEM xenon vehicles.
Projector-style factory HID bulb
Newer compact OEM HID bulb size used in select factory systems.
Projector-style factory HID bulb
Less common OEM HID bulb size used in some factory projector housings.
Choose a vehicle make below to open a dedicated bulb size guide page. These links replace the old quick-jump finder shortcuts with real crawlable SEO pages for headlight bulb sizes, low beam bulbs, high beam bulbs, fog light bulbs, factory HID bulbs, exterior bulbs, and interior bulbs.
Start with the interactive finder at the top of the page. Choose your year, make, and model to see the exact bulb sizes for headlights, fog lights, exterior bulbs, and interior bulbs when data is available. From there you can click through to Flashtech Lighting for headlight LED upgrades, HID kits, factory HID bulbs, or direct bulb-size searches.
This works especially well for shoppers searching phrases like low beam bulb size, high beam bulb size, fog light bulb size, D3S HID bulb replacement, H11 LED headlight upgrade, and similar terms.
Use the vehicle selector above to choose your year, make, and model. The results will show your low beam bulb size, high beam bulb size, fog light bulb size, and other common exterior and interior bulbs when data is available.
Factory HID means the vehicle originally came with OEM xenon headlights from the factory. Common factory HID bulb sizes include D1S, D1R, D2S, D2R, D3S, D3R, D4S, D4R, D5S, and D8S.
These are different factory HID bulb families. In general, S-designated bulbs are used in projector-style housings and R-designated bulbs are used in reflector-style housings. Always match the exact factory size listed for your vehicle.
Many factory HID vehicles can be upgraded, but fitment, ballast compatibility, and beam pattern all matter. CarBulbGuide points you toward the correct OEM HID bulb family and sends you to Flashtech Lighting to shop the matching upgrade path.
No. Some vehicles use the same bulb for high and low beam, while others use different sizes. This guide calls out low beam and high beam separately so you can shop the correct upgrade.
Yes. When your vehicle has fog light data, the results show the fog light bulb size and include a direct Flashtech category link so you can move quickly to compatible products.
If your vehicle uses halogen sizes like H11, 9005, 9006, H7, H13, or 9012, the finder will show those sizes and link you to Flashtech LED upgrades or HID kit options when available.
CarBulbGuide is designed as a fitment and research tool. When you are ready to buy, the site sends you to Flashtech Lighting for LED upgrades, HID bulbs, and related lighting products.