915 Transmission Case, Magnesium (1972–1977)
The magnesium 915 case, identifiable by its dark grey, slightly rough finish against the brighter aluminium replacement.
- Published fitment
- 901 · See fitment notes (1972–1973)g-series · See fitment notes (1974–1977)
- Recorded availability
- Discontinued. Confirm with the supplier.
- Recorded price
- No published price recorded
Reported by a secondary source. Sources last accessed ; fitment is not independently verified.
DrivetrainDiscontinuedReported by a secondary source
Manufacturing
| Manufacturer | Pelican Parts |
|---|---|
| Origin | 🇺🇸 United States Vendor head office — place of manufacture not stated |
| Process | Cast |
| Additively manufactured | No |
| Material | Magnesium Alloy |
| Notes | Light but prone to cracking and corrosion — the same trade Porsche made and later reversed on the crankcase. Worth identifying before buying a used box, because the two are not interchangeable in condition or value. |
Fitment
| 901 | All models (1972–1973) |
|---|---|
| g-series | All models (1974–1977) Some 1977 boxes pair a magnesium gear case with an aluminium final-drive case. From 1978 and the 911 SC the whole case is aluminium. |
Sources
- Porsche 911 915 and G50 Transmission Case Parts — Stoddard, accessed 2026-08-17
- Heritage Page: Porsche Transmission Information — Lüfteknic, accessed 2026-08-17