Does anyone know the part number to get the radiator leak sealing tabs from GM so I could order them from gmpartsdirect.com?

Not me, but I did see them at my local dealer on Saturday. Could run back this w/e if you need.

Uh...wouldn't this be ultimately cheaper if you just bought them from your local GM Dealer?? The shipping costs alone would make them more expensive from GM Parts Direct.

I er was talking about getting you a part number only. But thanks for thinking that I'm nice enough to buy and ship them.

I thought about that, but I wasn't sure how much they cost so I thought I'd check, if they are that cheap then yes I could just go uptown and buy a couple.

The GM tablets are about $4 to $5 for a package of 6 tablets. Go to any Cadillac dealer, they are required in the 99 and older Northstars. But for about $2 you can go to NAPA, ask for Bar'* Leaks HDC tablets. The HDC tablets are the same as the GM tables. You can also use Bar'* Leaks G12BP (powder), 1 tube of the powder is equal to 3 tablets. You should be able to find the G12BP powder at any Walmart.

HDC or G12BP as mention by Will Gluelt
http://www.barsproducts.com/origin.html

Why is this stuff "Required". Is GM saying "We don't know why it leaks, but this stuff will fix it???"

My 94SE with 126K seems to have a slight radiator leak. I'm not sure I'm ready to remove the radiator yet. Are these leak tablets an option and what'* the best of these to use?

Thanks,

Mike

BarsLeaks works woners, if you just have a small leak. And it'* musch more readily available. Tabs, powder, and liquid. Head o your local parts store, or WallyWorld and yer all set. Usually for under 5 bucks...