Ducati ST4 Light Bulb Size Chart

The Ducati ST4 uses light bulb sizes including P21/5W, 12961, 5008, H3, and H1 across various lighting applications. A replacement chart covers the 1999 to 2005 model years and addresses 8 distinct lighting locations on the motorcycle. Each location entry specifies the applicable model years within that range and the corresponding bulb size required for proper installation.

Select a light bulb location for Ducati ST4 to view detailed replacement information.

LocationYears
Brake1999-2005
Headlight1999-2005
License Plate1999-2005
Parking Light1999-2003
Tail Light1999-2005
Turn Signal1999-2005