I got some new spark plugs for my 2001 Saturn L100. They are Bosch Double Iridium 9617. Autozone, Orilly and Rock Auto says they will fix. I pull one of the old plugs and it is quite a bit shorter than the new plug. Do I have anything to worry about?????
Those are totally wrong. For one thing the new one is a taper seal and the originals are gasket seal. Not even close to being right. Do not attempt to install them.
Now it is possible that the ones you removed are wrong for the engine, though I doubt that gasket seal plugs will fit at all in a taper hole.
If I'm not missing something...
according to rockauto
3.0 has the gasket type.
2.2 has the taper seat plug
The bosch 4512 for the 3.0
and the bosch 4514 for the 2.2
Is it possible someone previously installed the wrong plugs?
Use NGK instead
The ACDelco iridium is made by NGK, a reboxed Laser Iridium.
The correct plugs for your car look like the new ones you got at Autozone, the longer thread. So it means the old ones were the wrong size
As was said, that is the right number according to my parts lookup. Make sure to clean those bottom threads as there will most likely be carbon buildup. If you don't have a thread chaser, get a bolt the same thread size and cut a couple vertical lines in it to make your own chaser.
Its errata, bad info. When I managed the inventory for the phone company, I encountered the problems . Parts have the wrong part number or description applied to them. BMW has a few for the 528e. most notably, the fuel pump relay and the water pump. You order the part and the numbers jibe, but the part won't fit.