Hella Marine PN 62448
http://www.hellamarine.com/View=FullStory&pcid=9&productID=382&t=3

Steaming Light - Hella Festoon replacement bulb
Base: SV8.5-8 FESTOON CAP - 12V, 10W -

Deck Light - Hella 12V / 20W GX5.3 (go to home depot)
http://www.hellamarine.com/?a=3&t=3&View=FullStory&productID=628