German Wastegate Diaphragm for Porsche 911/930 (1978–1994)

This replacement German Wastegate Diaphragm fits Porsche 911/930 (1978–1994) applications listed in the fitment table below. It replaces the worn service part with a direct-fit piece that keeps the surrounding Porsche assembly working as intended.

Correct small parts matter on older Porsche platforms, especially when the surrounding hardware has already been apart.

Technical Details

• Manufacturer part number: 93012321001
• Type: Wastegate Diaphragm
• Application range: Porsche 911/930 (1978–1994)

Fitment & Compatibility

Use the fitment table below to confirm year, model, submodel, and application notes before ordering.

If the fitment table leaves any doubt, send us your VIN and we will help confirm the right part. PMB Performance has been matching Porsche parts to real cars for more than 20 years.