Mack CH Courtesy Bulb Size
The Mack CH courtesy light uses 912 and 1003 bulb sizes across the various production versions listed in the provided technical data. The available information covers a specific time span starting in 1989 and ending in 1997.
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 |
|---|---|---|---|
| 1997 | 1003 | 1003 | Check Price |
| 1993-1996 | 912 | W16W | Check Price |
| 1991-1992 | 1003 | 1003 | Check Price |
| 1990 | 912 | W16W | Check Price |
| 1989 | 1003 | 1003 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1003 | Check Price |
| ANSI standard (US & Canada). Wedge bulb (T15). Variant of 921. 12V, 12W. | 912 | Check Price |