Coolant is not corrosive if changed periodically, I don't think stainless should be necessary. Can't see that it would hurt. The one in my GL radiator is not a hex head but a round head with a slot (like a screw head). I'd guess that doesn't really matter either. Hex head would be easier to turn from the side with a wrench. Allan -- 1991 Vanagon GL Old Volks Home <oldvolkshome@GMAIL.COM> writes: > This is just the "garden variety" 8x12mm threaded bolt with a 13mm > Hex. Also sold by VW #s N0102374, N0102375 by other VW related > outfits, but could probably be gotten at the good ole FLAPS. Original > wasn't stainless, but might be a good idea IF you can find it. Don't > have a groove cut into mine, but I guess it would help in the > bleeding. Hasn't been an issue with me. |
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