I'm going to change my transmission filter in a couple weeks. On RockAuto, I see two ACDelco filters listed, but I can't figure out which one I am supposed to get. They look the same, just a big difference in price. From what I can tell, neither one comes with a gasket (even though it is in one of the pictures).

Here is a screenshot to save you from having to look it up.
The two filters at the bottom are the ones I'm talking about.
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My other option is to get this one from AutoZone. I think it includes the gasket.

Can anyone point me in the right direction?

Either should work. Your gasket should be a reusable gasket.

^ I was wondering about that. Thanks.

X2....If you pan is leaking now, you may want to get the gasket as well. Sometimes they degrade over time and if the transmission was ever serviced prior, the gasket can be easily damaged if you aren't paying attention when re-installing the pan.

x2

I replaced mine, but it is a dealer only item I believe.

Just be ready for a fight taking out the old filter. It took me over an hour just to tease the old one out!

I've done dozens of transmissions and have yet to find a failed reusable gasket. Clean it up real good and it should be fine. As for the filter, ya, sometimes they take a bit of twisting and wiggling and pulling.

I just thought of another question. Shipping for the filters is a little pricey.
Are the cheaper Wix brand filters any good, or should I stick to the Delco ones?

I just pick them up at autozone, never had a problem. I want to say about $14

Mine was fubar! I had two missing pan bolts and I think the idiot that worked on the car before I got it, compensated by over torquing the other pan bolts. The gasket was scrunched in one area and that area has obvious signs of fluid leak.

Yep, that would do it.