Mack RWL Headlight Bulb Size
The Mack RWL headlight bulb size specifications include high beam options of H6024, H4651, and H5001, along with low beam sizes of H6024, H4656, and H5006 in multiple bulb configurations. The replacement chart covers vehicle production data spanning 1981 to 1985.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
High Beam Headlight
| Years | Bulb Size |
|---|---|
| 1981-1985 | H6024 (With 2 Round Headlamps) |
| H4651 (With 4 Rectangular Headlamps) | |
| H5001 (With 4 Round Headlamps) |
Low Beam Headlight
| Years | Bulb Size |
|---|---|
| 1985 | H6024 (With 2 Round Headlamps) |
| H4656 (With 4 Rectangular Headlamps) | |
| H5006 (With 4 Round Headlamps) | |
| 1981-1984 | H6024 (With 2 Round Headlamps) |
| H4652 (With 4 Rectangular Headlamps) | |
| H5006 (With 4 Round Headlamps) |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). 7-inch round sealed beam unit. Not a replaceable bulb — the entire unit is replaced. 12V. | H6024 |
| ANSI standard (US & Canada). 4x6-inch rectangular sealed beam unit. Not a replaceable bulb — the entire unit is replaced. 12V. | H4651 |
| ANSI standard (US & Canada). 4-inch square sealed beam unit. Not a replaceable bulb — the entire unit is replaced. 12V. | H5001 |
| ANSI standard (US & Canada). 4x6-inch rectangular sealed beam unit. Not a replaceable bulb — the entire unit is replaced. 12V. | H4656 |
| ANSI standard (US & Canada). 5.75-inch round sealed beam unit. Not a replaceable bulb — the entire unit is replaced. 12V. | H5006 |
| ANSI standard (US & Canada). 4x6-inch rectangular sealed beam unit, variant of H4651. Not a replaceable bulb — the entire unit is replaced. 12V. | H4652 |