Glass base bulb 12V W5

12V W5 Glass Base Bulb for Trailer Position Lights

This W5 glass base bulb is essential for trailer lighting systems, providing reliable illumination for position lights that ensure your trailer is visible to other road users during low-light conditions and night driving. Proper functioning position lights are critical for road safety and legal compliance.

Spare lamp for trailer lights

The bulb features a W-type glass socket design with W5 base specification and compact dimensions of 2.1×9.5d, making it a direct replacement for standard trailer position light fixtures. Installation is straightforward—simply remove the old bulb and insert the new one into the W5 socket until it seats firmly, ensuring secure mounting in your trailer’s light housing.