Kenworth T400 Light Bulb Size Chart

The Kenworth T400 uses light bulb sizes including 1157, 1156, P21W, 904, and 97. A replacement chart covers 1982 to 1997 model years across 13 lighting locations on the vehicle. Each location entry specifies applicable model years and the corresponding bulb size required.

Select a light bulb location for Kenworth T400 to view detailed replacement information.