A quick guide to replacing your 348 key.
Aftermarket Blanks
The Ferrari 348 uses a keyway shared with many Fiats and Alfa Romeos from the late 80s and early 90s. You can find these at most professional locksmiths using the following cross-reference numbers:
• Ilco: X152 (or FT46)
• Silca: GT6R (Metal head) or GT6RAP (Plastic head)
• JMA: FI-6I
• Curtis: FT-46
These blanks typically cost between $5 and $15 and can be cut by any standard key-cutting machine.
Original / OEM Blanks
If you want the correct “Folding Key” you will need to search for the specific Ferrari part numbers. Be aware that these are significantly more expensive.
Ferrari Part #95401152
The classic “Folding” blank key (often used for Testarossa, 348, and 512TR). These are becoming rare and can cost anywhere from $300 to $900 depending on if they are New Old Stock (NOS).
Don’t get fooled by reproductions. This is what a folding key should look like.
Check Ferrari Chat and eBay.
Ferrari Part #95401147
A non-folding version often used for the door/glovebox or as a secondary key.
POSSIBLY AVAILABLE FROM MCP – LINK
Ricambi America / Hill Engineering
A high-quality aluminum reproduction blanks (Part #GSK0169NRO) that looks like the 348/355 keys but are more durable than the originals.
CURRENTLY UNAVAILABLE – Link
The Ferrari 348 Market 
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