Garrett black spring valve is offered as a replacement spring component for GVW-40, GVW-45 and GVW-50 wastegates. The black designation corresponds to a particular spring characteristic in the GVW family and installs in the original wastegate assembly. Use this part for routine maintenance or when matching the factory spring specification on compatible Garrett wastegate models.
Garrett GVW-40/GVW-45/GVW-50 Spring Valve - Black