MOPAR Alternator 3438178 Original Cuda OEM 426 Hemi 440 GREAT DATE for 1971. Condition is "Used". Shipped with USPS Parcel Select Ground. This alternator has a double pully. The pully turns. I do not know if the alternator works or not electrical wise. Both the front and back have 71 as the date codes as seen in the pictures. There is 1 area on the front housing that is cracked on the front case. There is surface rust on the alternator seen in many places and there is some dirt on it too. Make sure you look at the pictures.