Volvo V40 front and rear turn signal bulb sizes include 3457NA and 3357NA for inner positions, 12961 for outer applications, and PY21W for rear locations. The replacement chart covers 2000 to 2004 model 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.
Front Inner Turn Signal
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.