1999 Acura NSX-T Bulb Size

Misconception: people often assume a single bulb size works for every light on a 1999 Acura NSX-T. That seems true because bulbs can look similar and many aftermarket sites group products loosely. Think of it as a mental model that simplifies choices, but it can steer you wrong. What is true is that the NSX-T uses different bulb types for headlights, turn signals, brake lights, and interior lamps. The bulb size chart exists to make those differences obvious so you buy the right part, avoid fit problems, and keep lights performing safely. A useful rule of thumb is to match the OEM part number or compare the base and wattage. Quick recap and quick tests: visually compare bulbs, check your owner’s manual, or verify part numbers before ordering. I may earn a small commission if you buy through links here; it doesn’t affect the price to you.