German Locking Nut for Porsche 911/914/930 (1965–1994)

This replacement German Locking Nut fits Porsche 911/914/930 (1965–1994) applications listed in the fitment table below. It secures, spaces, or retains the surrounding hardware so the repair fits together correctly.

This is a practical replacement when the original part is worn, missing, or no longer doing its job.

Technical Details

• Manufacturer part number: 99903400500
• Type: Locking Nut
• Application range: Porsche 911/914/930 (1965–1994)

Fitment & Compatibility

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

If you are comparing similar parts, send us your VIN and we will help sort out the correct application. PMB Performance has been working with Porsche parts for more than two decades.