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The Turbosmart diaphragm assembly with valve guide o-ring is a direct replacement for Pro-Gate50 (50mm) and Power-Gate60 (60mm) external wastegates and fits discontinued WG38/45 units. The large-diameter seal improves sealing at higher boost levels while the valve guide o-ring helps prevent leaks. It’s offered as a premium replacement component to restore reliable sealing and durability in Turbosmart external wastegate systems.
Turbosmart WG Diaphragm Replacement
