http://www.candlepower.com/ carries the Narva number.
Audi specs the long life versions of these bulbs.
The front parking lamp uses a H6W (ECE nomenclature) bulb. This is a 12V, 6W halogen bulb with a BAX9S base. Manufacturer numbers include Osram 64132, Philips 12357, Philips 12357LL (long life), Narva 68161, and Narva 68162 (long life). The VW/Audi p/n is N 104 455 02.
The front turn signal lamp uses an H21W bulb. This is a 12V, 21W bulb with a BAY9S base. Manufacturer numbers include Osram 64132, Philips 12357, Philips 12357LL, Narva 68161, Narva 68162 (LL). VW/Audi N 104 456 01.