The Toyota Solara dome light uses bulb size DE3423 and bulb size DE3175 for the interior lighting system. Data for the provided bulb sizes covers the range from 1999 to 2003.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
The DE3175 is the most widely used bulb type across the Toyota Solara dome light specifications, appearing in the front dome light and rear dome light positions for all model years from 1999-2003, as well as in the general dome light position for 1999-2001.
Both the DE3423 and DE3175 are festoon-type bulbs, meaning they are cylindrical in form and make electrical contact through metal caps at each end rather than through a base socket.
The DE3423 operates at 12 volts and has a 41mm length, while the DE3175 also operates at 12 volts but has a shorter 31mm length. Both conform to ANSI standards applicable in the US and Canada.
The general dome light position on the Toyota Solara changed bulb sizes between model years. The 1999-2001 models use a DE3175, while the 2002-2003 models use the longer DE3423.
The 10mm difference in length between the DE3423 and DE3175 means the two types are not interchangeable. Installing the incorrect length in a festoon socket will result in either a loose fit or an inability to seat the bulb properly.
The front and rear dome light positions use the DE3175 consistently across all model years from 1999-2003, indicating no fitment variation for those positions throughout the production run covered by these specifications.