Chevrolet Monza front and rear side marker bulbs utilize a 194 bulb size across both positions. The replacement chart covers 1975 to 1980 production years with corresponding bulb size specifications.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
The Chevrolet Monza uses the 194 bulb for both front and rear side marker positions across the 1975-1980 model years.
The 194 is an ANSI-standardized bulb type, meaning its specifications are governed by a recognized industry standard applicable in the United States and Canada.
This bulb belongs to the T10 form factor, a miniature wedge-base design that seats without a separate metal base, relying instead on the tapered plastic wedge of the bulb itself to make contact within the socket.
The 194 operates at 12 volts, which is consistent with the standard electrical system voltage found in conventional passenger vehicles of this era.
At 3.78 watts, the 194 draws a relatively low amount of power, which is typical for side marker applications where continuous illumination is required without significant electrical load.
Because the Chevrolet Monza shares the same 194 bulb across all six model years covered and across both the front and rear side marker positions, a single bulb type serves all four side marker sockets on any given vehicle.
The T10 wedge base is a widely produced form factor, and the 194 designation is interchangeable with several other ANSI-coded bulbs that share the same physical base and electrical ratings, though substitutions should be confirmed against wattage and voltage tolerances before use.