The Lexus ES300 high beam headlight uses a 9005 bulb size, while low beam headlights use H7, D2R, or 9006 bulb sizes depending on model configuration. The replacement chart covers vehicle production years spanning 1992 to 2003 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 9005 bulb is the sole high beam fitment across all Lexus ES300 model years covered in these specifications, spanning 1992-2003. It is an ANSI-standard single-filament halogen bulb rated at 12V and 65W, using a P20d base, and is certified for use in the United States and Canada.
The low beam fitment on the Lexus ES300 changed from the 9006 to the H7 between the 1996 and 1997 model years. These two bulb types are not interchangeable, as the 9006 uses a P22d base while the H7 uses a PX26d base.
The 9006 low beam bulb, used in 1992-1996 models, is an ANSI-standard single-filament halogen bulb rated at 12V and 55W. Despite sharing the same wattage as the H7, its P22d base physically prevents substitution with H7 units.
The H7 is an ECE-standard single-filament halogen bulb rated at 12V and 55W with a PX26d base. Although it originates from European and worldwide regulatory standards, it carries approval for use in the United States and Japan as well.
From 2000-2003, the ES300 low beam position accommodates two distinct bulb types depending on the headlamp system installed at the factory: H7 for halogen capsule headlamps and D2R for HID headlamps. These systems are not interchangeable.
The D2R is an HID xenon discharge bulb operating at 85V and 35W, using a P32d-3 base. It is designed specifically for reflector-type housings and requires a separate external ignitor to initiate the electrical arc that produces light.
The significant voltage difference between the D2R at 85V and the halogen bulbs at 12V reflects a fundamental electrical incompatibility. Halogen and HID low beam components cannot be swapped without substantial modification to the vehicle's electrical system.
The 9005 high beam and the 9006 low beam are both ANSI-standard halogen bulbs, but their differing base types, P20d and P22d respectively, mean they are not physically interchangeable despite both operating at 12V.