
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.
Bulbs are the core of every lighting system, providing the brightness and clarity needed for daily work. Agri Lighting offers a complete range of LED, halogen, and specialist bulbs for tractors, workshops, and agricultural buildings all designed for efficiency, reliability, and long service life.

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 beacon mounting option is the physical fitting that joins an amber warning beacon to a tractor, trailer, or agricultural machine. The four mount types

A round work light and a square work light differ in form factor, beam shape, mounting flexibility, and visual appearance, but the shape itself has