Peterbilt 340 Light Bulb Size Chart

The Peterbilt 340 uses light bulb sizes including 2057, 9004, H6054, 194, and 67. A replacement chart covers 2007 through 2009 model years across 11 lighting locations on the vehicle. Each location entry specifies the applicable model years and corresponding bulb size for that position.

Select a light bulb location for Peterbilt 340 to view detailed replacement information.