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$35-$50 for a new one from GM. Try going to www.rockauto.com they have a good parts database with images, see what turns up. They tend to carry both GM/ACDelco as well as aftermarket stuff.

The TV cable is about $35-50 bucks.

If you can get factory steel fuel pipes I would be interested to hear where you got them and the cost, just out of curiosity; because I wonder if they are still...