TOC?

[moartork]

I'm sourcing a new or used radiator for a 2000 z28 and notice the vendors list 2 different units, for or for without TOC. What's TOC? I searched here but I think the 3 letters are too short for a search. Thanks!

[94Z/28]

Transmission Oil Cooler

[moartork]

(slaps self upside head) Thanks!

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