The Dodge 330 front and rear turn signal bulbs both utilize a 1034 size bulb for proper operation. The replacement chart covers 1963 to 1964 vehicle production specifications.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
The 1034 bulb is the sole bulb type specified for the Dodge 330, covering both front and rear turn signal positions across the 1963-1964 model years.
The 1034 is an ANSI-standard bulb recognized in both the United States and Canada, operating at 12 volts with a dual-filament output rated at 21/5 watts.
Its dual-filament design allows a single bulb to serve two distinct brightness levels, a characteristic that makes it suitable for combined stop and turn signal functions.
The 1034 uses a BAY15d bayonet base, a two-pin offset base type where the two pins are positioned at different heights to ensure correct orientation during installation.
The 1034 is described as a variant of the 1157, meaning the two share a similar design lineage, though they are not confirmed as interchangeable within these specifications.