Description
2000-2005 Toyota MR2 TOY57 transponder key by ProTech USA, built with a genuine OEM 4C immobilizer chip for reliable engine start and clean cloning on the bench. This is a mechanical transponder key with a cut-to-code metal blade — no remote functions — designed to key up and program cleanly to compatible Toyota immobilizer systems within the listed model years.
- Key type: Transponder key (TOY57)
- Chip: 4C (OEM)
- Blade: TR40
- Manufacturer: ProTech USA
- Condition: Brand new
- Vehicle: Toyota MR2, 2000–2005
- SKU: 2926
A practical stock item for locksmiths and dealers servicing the 2000–2005 Toyota MR2. Cut the TR40 blade to the vehicle’s code, then program the 4C chip to the immobilizer to complete a working spare or replacement key.




