This M5 captive lock-nut (speed nut) is used for securing lighting on classic Porsche 911 models. It replicates the fit, function and material specifications of the original Porsche part.
Sold each, 4 required.
Fits:
Porsche 911 1965 - 1989
Porsche 911 (930) Turbo 1975 - 7989
Diagram ref no 18
• Thread size: M5
• Application: Tail-light housings, turn-signal/indicator housings on the Porsche 911 and 912 (1969-89)
This speed nut provides a secure, vibration-resistant anchoring point for parts that require frequent removal or tight fit-up. The captive design ensures the nut remains in position during assembly and removal processes, reducing fastener loss and ensuring consistent mount integrity.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99950731212
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)


