Ball bulb, 12 V/21/5 W, base BAY15d S25 x 47 mm, packing unit: 10 pieces
The round bulb is a twin-filament incandescent bulb for 12 V electrical systems. One filament produces the brighter light, such as brake or indicator light, the second the weaker tail or position light, making it suitable for combination lamps.
The BAY15d base has two base contacts and offset pins, so the bulb fits the holder in only one position and the filaments cannot be swapped. Before replacing, compare the base and wattage with the removed bulb. Supplied in a pack of 10 pieces.
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