The Signal-Stat Multi-Function 3 Stud Roadside Lamp has a replaceable bulb (1157 S/T/T, 1156 B/U). It's a replacement for all GM medium and heavy duty vehicles from 1972 - 1985. Includes Junction Box Cover.
- Part No.: 4017
- Width: 5.75"
- Height: 6.75"
- Replaces all GM medium & heavy duty 1972 to 1985
- Integral housing with 3 bolt mount
- Includes junction box cover
- Material: Polycarbonate lens and housing
- Light Source: Bulb: #1157 S/T/T, Bulb: #1156 B/U
- Replacement Parts: 9071 lens & gasket, 9288 license bracket, 97706 lens gasket
- FMVSS: A, I6, (2)R, S2, T, L