Mazda RX-7 Dome Light Bulb Size
The Mazda RX-7 dome light utilizes bulb sizes 168, DE3175, 6428, 13050, and DE3021 depending on the specific version. Available information covers the range from 1979 through 1995.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Bulb Size by Year Range
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 |
|---|---|---|---|
| 1993-1995 | 168 | W5W | Check Price |
| 1991 | 168 | W5W | Check Price |
| 1990 | DE3175 | DE3175 | Check Price |
| 1986-1989 | 168 | W5W | Check Price |
| 1984-1985 | 6428 | 6428 | Check Price |
| 1983 | 13050 | 13050 | Check Price |
| 1982 | 6428 | 6428 | Check Price |
| 1981 | 13050 | 13050 | Check Price |
| 1980 | 6428 | 6428 | Check Price |
| 1979 | DE3021 | DE3021 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W. | 168 | Check Price |
| ECE standard (Europe & worldwide). Single-filament signalling bulb with W2.1x9.5d wedge base. 12V, 5W. | W5W | Check Price |
| ANSI standard (US & Canada). Festoon bulb, 31mm length, end-cap contacts. 12V. | DE3175 | Check Price |
| ANSI standard (US & Canada). Festoon bulb, 36mm length, SV8.5 base. 12V, 5W. | 6428 | Check Price |
| OEM/Wagner part number. Halogen bulb, specialty application. 12V. | 13050 | Check Price |
| ANSI standard (US & Canada). Festoon bulb, 31mm length, end-cap contacts. 12V. | DE3021 | Check Price |