Headlight & Lighting Buyer's Guides
Headlight Bulb Size Reference Chart (H11, 9005, 9006, H7, H4, 9012 & More)
A quick-reference headlight bulb size chart — base code, beam type, common positions, and typical vehicle use for H11, 9005, 9006, H7, H4, 9012, H13, D-series HID and more, so you buy the right fitment the first time.
July 23, 2026
GuideHow to Install LED Headlights: Step-by-Step for Any Vehicle
A clear, vehicle-agnostic guide to installing LED headlight bulbs or conversion kits — tools, wiring, anti-flicker fixes, beam aiming, and avoiding glare.
July 22, 2026
GuideChoosing Headlight Bulb Sizes: H11 vs 9005, H7, H4 & More
How to find the right headlight bulb size for your vehicle — what H11, 9005, 9006, H7, H4, and 9012 mean, single vs. dual beam, and how to avoid buying the wrong bulb.
July 22, 2026
GuideLED vs HID Headlights: Which Upgrade Is Right for Your Vehicle?
LED or HID/xenon? How the two headlight upgrades really differ — brightness, beam pattern, color temperature, lifespan, install effort, and which fits your vehicle best.
July 22, 2026