Call your local parts store, they would have a listing for the type of oil to put in. From what I see, 80-90 weight synthetic oil. Verify this tho.
It could be Dexron / Mercon. As Rowefast suggested call your local O'reilly Auto Parts store or refer to the owner's manual if you have one.
It's written on the side of your Transmission, should be any way. My 1994 recomended Dexron 111 ATF If that is yours, you can also use synthetic Mobil 1 ATF also.
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