This Garrett wastegate actuator is specified for Volkswagen 1.8L and 2.0L turbocharged engines and serves as the mechanical actuator for the turbocharger wastegate. Provided as an application-specific actuator, it attaches to the turbo wastegate linkage to regulate boost response on supported VW engines; the description lists the engine families but does not include additional calibration or installation specifics.
Garrett Wastegate Actuator for Volkswagen 1.8L/2.0L (PMAX)