
W16W Bulbs Explained: The 921 Capless Reversing Bulb, Its Base, and How to Replace It
A W16W bulb is a 16-watt single-filament capless bulb on a W2.1×9.5d wedge base, used for reversing lamps, high-level brake lamps, and bright marker lamps.

A W16W bulb is a 16-watt single-filament capless bulb on a W2.1×9.5d wedge base, used for reversing lamps, high-level brake lamps, and bright marker lamps.

An LED headlamp conversion replaces a tungsten halogen bulb with a light-emitting diode equivalent inside an existing headlamp body, or replaces the headlamp body itself

A daytime running light is a forward-facing white lamp that switches on automatically when the engine starts, making the vehicle easier to see in daylight.