The key blanks MZ9-P and X26-P (or variations like MZ9 and X26) are primarily for older Mazda vehicles, and in some applications, may also apply to certain Ford models due to shared platforms. Here are the specific Mazda models and years commonly associated with this key profile: Make Model Years Applicable Locks Mazda RX4 1974 - 1982 ALL locks Mazda RX7 1977 - 1982 Master key Mazda B-Series Trucks 1982 Doors ONLY Mazda Various Misc. Models 1970 - 1982 Door Trunk ONLY Mazda Cosmo 1976 - 1979 (General application for this period)