Product Overview 24 pcs Third Brake Light Bulb for ’95 to ’98 Porsche 911 The Porsche part number for the bulb is 999-631-135-90 which was superseded by 999-631-135-91 The third brake-light assembly uses 24 of these special wire terminal bulbs. The bulbs are also available individually from us, but If you are doing the work of replacing one of these, you may as well replace all of them. The kit includes a spare bulb for a total of 25 bulbs, a 5ft (approx) spool of solder wick, and 5 ft of solder. Bring your own soldering iron! Reviews (No reviews yet) Write a Review