Honda CR-Z high beam headlight bulbs use 9005 size while low beam headlight bulbs use H11 or D4S size. The replacement chart covers 2011 to 2016 vehicle production years with corresponding bulb size specifications.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
The Honda CR-Z uses the 9005 bulb for the high beam headlight across all model years from 2011-2016. This is an ANSI-standard single-filament halogen bulb rated at 12V and 65W, fitted with a P20d base.
The low beam headlight on the Honda CR-Z follows a dual-fitment structure across 2011-2016, where the correct bulb depends on the headlamp system installed at the factory. Vehicles with halogen capsule headlamps take the H11, while vehicles with HID headlamps take the D4S.
The H11 is an ECE-standard single-filament halogen bulb with a PGJ19-2 base, rated at 12V and 55W. Although it originates from the European and worldwide ECE regulatory framework, it carries approval for use in the United States as well.
The D4S is a mercury-free HID xenon discharge bulb operating at 42V and 35W, fitted with a P32d-5 base. It is designed specifically for projector-type housings and is governed by ECE standards.
The high beam 9005 and the low beam H11 are not interchangeable despite both being 12V halogen bulbs. They use different base types, the P20d and PGJ19-2 respectively, and carry different wattage ratings of 65W and 55W.
The D4S operates on a fundamentally different electrical principle than the halogen bulbs in the same vehicle. At 42V, it requires a ballast to generate and sustain the high-voltage arc that produces light, making it physically and electrically incompatible with halogen headlamp housings.