Renault R15 Turn Signal Bulb Size

The Renault R15 front and rear turn signal bulbs both utilize a 1157 bulb size. The replacement chart covers vehicle production spanning 1974 to 1976.

The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.

Front Turn Signal

Years	Bulb Size
1974-1976	1157

Rear Turn Signal

Years	Bulb Size
1974-1976	1157

Bulb Specifications

Description	Bulb Size
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W.	1157

Other Locations

Additional Notes

The 1157 is the sole bulb type specified for the Renault R15 across all listed turn signal positions and model years.
The 1157 is an ANSI-standardized bulb used in the United States and Canada markets.
It is a dual-filament bulb, meaning it carries two separate filaments within a single envelope, allowing it to serve two distinct lighting functions at different wattages.
The 1157 operates on a 12-volt electrical system and draws 21 watts on its primary filament and 5 watts on its secondary filament.
The base type is BAY15d, a bayonet-style mount with two offset pins that prevent incorrect insertion orientation.
The Renault R15 (1974-1976) uses the same 1157 bulb in both the front and rear turn signal positions, indicating a shared specification across those assemblies.
Because the front and rear turn signal housings accept the same bulb type, a single 1157 unit is interchangeable between both positions on this vehicle.
The BAY15d base is a specific variant of the bayonet family; bulbs with a BAY15s base, which has two pins at the same height, are not compatible with BAY15d sockets and would not seat correctly.