Transmission lines
I just picked up a NOS AC delco Transmission filter. I got a deal for $35US. They were used on more than just mopars apparently. Look up either the GM or mopar part number. AC GM 5579826 PF187 MOPAR. That is how I found mine.
heres another for $45
NOS ACdelco Transmission Oil Filter PF187 5579826 | eBay