Often these are accidently ripped when changing springs without care.  Also they can deteriorate over time with high heat. We offer the diaphragm replacement piece. This comes with the aluminum piece, they cannot be seperated and sold individually. We carry a full line of Tial accessories and Tial Wastegates If you have any questions about our prodcuts contact us at 319-665-6612.

For your 2 bolt flange 38mm wastegates. Also fits the discontinued 35mm.  Mounting style of 2 bolt flange with gasket, does not work for the v-band MVS or MVR wastegates.