Originally Posted by jdbretz
If you have the factory oil cooler, there is a 2nd gasket I recommend replacing as well while you have it all apart. Here is a picture of mine when I replaced it recently. As you can see it was starting to deteriorate just like the other gasket that connects the oil filter housing to the block.
Yep...mine was actually leaking from this gasket. The oil filter housing gasket was fine but I replaced it anyway.