United Pacific · 31319 / 31320
Original-style Cascadia halogen headlight
This chrome original-style replacement uses H11 halogen low- and high-beam bulb positions with a 4157 turn signal. Choose one side and match the original Cascadia assembly and connector.
Halogen main beams
The exact manufacturer page specifies H11 bulbs for both low and high beam.
Original-style appearance
A chrome inner housing keeps the original-style lamp layout.
OE-reference match
Compare the side-specific original assembly number before ordering.
Fitment & selection
Match the original headlight
- Freightliner Cascadia: 2008–2017
Match the original assembly, mounting and wiring connector before ordering.
| Driver | 31319 · one headlight assembly |
|---|---|
| Passenger | 31320 · one headlight assembly |
Installation & aiming
Match the original assembly and OE plug. This is a complete halogen replacement assembly rather than an LED conversion; check beam aim after installation.
Lighting details
Specifications
| Low beam | H11 halogen · 55W |
|---|---|
| High beam | H11 halogen · 55W |
| Turn signal | 4157 bulb type |
| Driver OE reference | A06-51907-006 |
| Passenger OE reference | A06-51907-007 |
| Package | One headlight assembly for the selected side |
Product questions
Before you order
Does the price include both headlights?
No. Each option supplies one headlight for the selected side. Choose both sides separately if you need a pair.
Which model years should I check?
Use the application list above and match the original housing, mounting and connector. Confirm any year outside that list with BTS before ordering.
Are the main beams LED?
No. The main beams use the bulb types listed above. Any LED bars or signal lights are separate functions.
2-year manufacturer warranty
United Pacific lists a 2-year warranty for this headlight design. Keep your purchase information and contact BTS Lighting for product support.
