Latest guides
Practical notes from the Guides section.
- Best Headlight Type for Night DrivingCompare halogen, HID, and LED headlights for safer night driving, with practical upgrade checks for beam pattern, fitment, and glare.
- HID vs Halogen Headlights: Is a Xenon Upgrade Worth It?Compare HID and halogen headlights, including brightness, cost, fitment, safety, legality, and when a xenon upgrade makes sense.
- LED vs HID Headlights: Which Upgrade Is Right for You?Compare LED and HID headlights for brightness, fitment, reliability, legality, and weather performance before upgrading your vehicle.
- LED vs Halogen Headlights: Which Is Better for Your Car?Compare LED and halogen headlights for brightness, fitment, lifespan, cost, beam pattern, and legal considerations before upgrading.
- Can You Replace Halogen Bulbs With LED?Learn when a halogen-to-LED headlight swap works, with checks for fitment, beam pattern, heat, electrical warnings, and road legality.
What this site is for
Look up bulb positions, cross-references, and year-by-year fitment without guessing from a parts-counter printout.
Vehicle fitment
Make → model → year → positions and bulb codes from the Autotk catalog.
Bulb types
H11, 9005, 9012 and the rest — fitment counts, positions, and cross-reference notes from the catalog.
Guides
Practical swap notes: halogen vs LED, legality caveats, and common mistakes.