Protection ring Altenator

The Volkswagen Beetle, Transporter and Porsche 356 pre A used the Bosch RED 130/6/2600 AL16 alternator which uses a Volkswagen protection ring without any holes in them.
Diameter is 90mm.

Porsche also used an later style protection ring for the Porsche 356A/B.
Part number mentioned in PET is “616 109 381 00”
Diameter is 90mm.

113101211C Generator support

Generator support for the 90mm thick generators 6 or 12Volt.
Used from engine number 3 400 000.

The difference in height with the 113101211B is 0,8mm.
The 113101211B is used with the 105mm thick generators 6 or 12Volt or the 12Volt alternator.
If you’re building a later style engine case in the old style and you want to use a thin generator the 113101211C support is the one you need.