This listing is for a factory original Porsche 911 Marchal alternator 

Period correct piece 

Part nUmber 71223702 

From an original Porsche 911 it is sold untested. In as is condition 

Considering it a core, although it came from a big Porsche vintage 911 collection and was told all parts were good 

For 67-77 but do your research with the part number 

Sold as pictured