Bulb for Cigarette Lighter...?

Anyone tell me the bulb type required for the cigarette lighter on a 1988 MK1 Cab please???

Thank you


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It is either
191919243D  For the Low mounted ashtray.
or

N0177512

http://www.oemepc.com/vw/part_single/catalog/vw/markt/USA/modell/CONV/year/1988/drive_standart/44/hg_ug/919/subcategory/212000/part_id/3690029/lang/e#sec_5

Where I got the numbers from.