The sealing ring is placed in the connection of the charge air tube under the CO-poti like the original one. It fits all Corrado, Passat and Golf G60 models and the VW Polo G40.
Rubber version
in original equipment quality
from the cast arch to the LLK
M8 x 1.25, fits e.g. VW G60 models (MKB: PG) and many other manufacturers/models
Gasket metal version (from Y-branch to KAT) for VW Golf / Corrado G60 (MKB: PG)
Made of steel - to prevent belt slippage