By looking at there web-site ..they do. Here is a complete list of Part Numbers from Silverstar.
Auto Lamp Replacement Guide - Results
Head straight to Amazon.com and purchase the SilverStar or Xenarc products that fit your vehicle. Or print out the list and find them at your nearest retailer.
2006 FORD F250-F550 (With replaceable halogen capsules)
High & low beam headlamp
H13 (9008)
H13ST Silverstar High Performance Lighting: The Whiter and Brighter Halogen
H13XV XtraVision Halogen Upgrade: Up to 20% Brighter
Parking light
3157NALL
3157AST Silverstar Signal Lighting: Complete the Look: Crisp, Clean, Style
Front turn signal
3157NALL
3157AST Silverstar Signal Lighting: Complete the Look: Crisp, Clean, Style
Rear turn signal
4157LL
Tail light
4157LL
Stop light
4157LL
High mount stop light
922
Fog/Driving light
9145
9145ST Silverstar High Performance Lighting: The Whiter and Brighter Halogen
License plate
168
Back up light
3156LL
Front sidemarker
194
194LL Long Life Upgrade: Up to twice the life of the standard lamp
Glove box
161
Dome light
578
Trunk/Cargo area
906