P/N#499-411013 LEFT Side Simple replacement for Peterbilt 378, 388  with Aluminum castings  NO CABLE but does include new O.E chrome Bezel.
 
BULBS: HI-BEAM H4651 P/N#425-414651  and HI-LOW H4656 P/N#425-414656
DUAL SMALL RECT CHROME BEZEL-TALL P/N#447-412314
 
 
For RIGHT Side P/N#499-411014 - Click here for Part