Mack RM Instrument Panel Bulb Size

The Mack RM instrument panel utilizes bulb sizes 194, 161, and 57 for illumination across various components within the dashboard assembly. Data for the specific lighting requirements covers the span from 1981 through 1993.

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.

YearsUS TypeEU TypeShop
1991-1993194W5WCheck Price
1990161161Check Price
1989194W5WCheck Price
19885757Check Price
1987161161Check Price
1986194W5WCheck Price
1984-1985161161Check Price
1983194W5WCheck Price
19825757Check Price
1981194W5WCheck Price

Bulb Specifications

Description Type Shop
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W.194Check Price
ECE standard (Europe & worldwide). Single-filament signalling bulb with W2.1x9.5d wedge base. 12V, 5W.W5WCheck Price
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 1W.161Check Price
ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 1W.57Check Price

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