Lincoln Mark VII Turn Signal Bulb Size
Lincoln Mark VII front turn signal bulbs utilize 3157NA, 3057NA, or 1157NA bulb sizes, while rear turn signal applications require 3157 or 1157 bulb sizes. The replacement chart covers 1984 through 1992 production years with corresponding bulb size specifications.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Front Turn Signal
If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 1992 | 3157NA | PY27/7W | Check Price |
| 1991 | 3057NA | 3057NA | Check Price |
| 1989-1990 | 3157NA | PY27/7W | Check Price |
| 1988 | 1157NA | P21/5W | Check Price |
| 1987 | 1034NA | 1034NA | Check Price |
| 1985-1986 | 1157NA | P21/5W | Check Price |
| 1984 | 1034NA | 1034NA | Check Price |
Rear Turn Signal
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 1989-1992 | 3157 | P27/7W | Check Price |
| 1984-1988 | 1157 | P21/5W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25), natural amber glass. 12V, 27W/7W. | 3157NA | Check Price |
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25), natural amber glass. 12V, 27W/7W. | 3057NA | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. 12V, 21W/5W. | 1157NA | Check Price |
| ECE standard (Europe & worldwide). Dual-filament signalling bulb with BAY15d bayonet base. 12V, 21W/5W. | P21/5W | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. Variant of 1157. 12V, 21/5W. | 1034NA | Check Price |
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W. | 3157 | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W. | 1157 | Check Price |