These rare 21″ extension panels are designed for 1997+ Peterbilt 379 models, 2007+ Peterbilt 388 models and 2007-2008 Peterbilt 389 models. For 70″ sleepers (78″ new sleeper size). These are for the rare 21″ extenders. Sold in pairs, each panel has (1) M1 amber clear LED. Will match 12″ or 16″ lite spacing. Extends along the bottom of the sleeper extension fairing and mounts directly to sleeper panel. Measure 3″ wide. Hardware, lites and harnesses are included. For 2015+ 388 and 389 models, a change has taken place with the renaming of the former 388. Our catalog refers to a 388, which is the NEW 389 short hood. The 389’s referred to in our catalog are the NEW 389 long hood.
For ordering or pricing information, please visit your local dealership.