The NE20 (SILCA) / X163 (ILCO) key blank, also cross-referenced as BL11, is a mechanical (non-transponder) key primarily used for older vehicles and trucks. It's compatible with select models from several brands, based on key directories and product listings. Compatibility can vary by lock type (e.g., ignition, door, trunk, glovebox), code series, and region?always verify with a locksmith, VIN, or original key for exact fit. Here's a breakdown by brand: ### Fiat - All models: 1967?1983 (various locks, including ignition/door/trunk on code series like K3301?K4886 for some years). - 850 Spring: 1964?1971. - Strada: 1979?1983 (all locks). - Other potential models: 124, 128, X1/9, Spider, Brava (1960s?1980s era). ### Renault - R16: 1965?1980. - Saviem trucks (acquired by Renault): - G300 G: Up to 1994. - G330 GV: Up to 1994. - G340 TI: Up to 1994. - GR305: Up to 1994. - GR305 Turbo: Up to 1994. - R310?360: 1984. - R360 Turbo: 1984. ### Volvo - Most models: 1968?1976 (primarily door/trunk/glovebox; some ignition on code series like 1A000?5A745). - 140, 160, 180, 240, 260 Series: 1970s?1980s (door/trunk/glovebox; secondary locks on early 740/760). - 240 Series (DL, GL): 1977?1985 (door/trunk/glovebox). ### Mack Trucks - U.S.-designed models: 1971?1986 (ignition and doors). - Various cab doors and ignition on mid-1970s to mid-1980s models. ### Other Brands - Moskvitch (older Soviet-era cars; no specific models listed). - Talbot (older French/British cars; no specific models listed). - ZAZ (older Ukrainian cars like Zaporozhets; no specific models listed). - Potential crossovers: Some Leyland vehicles, Lancia, Ford (industrial/older), or Lowe Fletcher locks (non-automotive). This blank is typically for classic or vintage vehicles without electronic chips. For modern equivalents (post-1990s), vehicles often use transponder keys or fobs. If you have a specific VIN or key code, a professional can confirm.