Click to enlarge

1x 1156-18 bulb

These bulbs are the brightest available, featuring the latest technology allowing them to run on any voltage between 8v and 30v. It uses 18 Surface mounted high power LEDs

These are a direct fit for your old bulb with 1 contact and parallel pins. Specs:
360 degree -visible for miles
Electronic current limiting - 8-30 V DC - bi-polarity
Single contact
parallel pins
Will work on 12v and 24v systems
Power Consumption: 3w
Warranty: 12months/10000hrs
color range: 5500k (almost pure white)
Type: InGaN White
Continuous Forward Current 100 mA
BA15D
Length:55 mm
Protrusion out of socket: 35 mm
Diameter on top: 25.0 mm