This is a part from a closed shop obtained through a bulk purchase.
It is marked on the box as a "test unit" which is a common practice at shops, even dealerships.
It is clean so it must not have been on for very long and was removed once it was determined the original part was not bad.
This is the fuel injection warm up regulator for the CIS K-Jetronic fuel system.
The Porsche part number on this is 911 606 105 04, and the Bosch part number 0 438 140 033
According to the Bosch fuel injection catalog it will fit the 1976 thru 1979 Porsche 911 models, but PLEASE check the number on your old unit and compare.
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