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A Turbosmart vIWG 57mm diaphragm replacement intended as a service part for compatible Turbosmart wastegate assemblies. This diaphragm provides the replaceable sealing and actuation membrane used in 57mm vIWG units and allows restoration of proper valve response without replacing the whole assembly. Confirm that the 57mm diaphragm matches your wastegate model before installing to ensure correct fitment.
Turbosmart vIWG 57mm Diaphragm Replacement
