Product Overview
Bulb # 3939
This is a 12 Volt dual filament bulb with a BA20d (Bosch-style) base. Please review the images for details.
Also available in Blue (3939B), Halogen (H3939) and Blue Halogen (H3939B)
For additional specifications, please review the item specifics.
All bulbs are shipped in a cardboard box, not a padded envelope.