Peterbilt 378/379 4×6 Headlight Housing Base + Wire Harness
Warranty Information
ROADWEST stands behind the parts we sell. Unless otherwise stated on the product page, your purchase is covered by a 1-Year Limited Warranty against manufacturing defects under normal use.
What’s covered
- Defects in materials or workmanship
- Premature failure caused by factory-related issues
What’s not covered
- Normal wear and tear, cosmetic aging, corrosion from environment/road salt
- Damage from improper installation, incorrect wiring, modifications, misuse, or accidents
- Labor costs (installation/removal), downtime, towing, or other indirect costs
How to file a claim
Contact us with:
- Order number
- Product name / SKU
- Clear photos or a short video showing the issue
If approved, ROADWEST will provide an appropriate resolution (replacement parts, replacement unit, or refund/credit).
Please do not send items back without return authorization.
For more details, see our Shipping Policy, Easy Return & Refund Policy, and Warranty pages.
Shipping & Returns
Most ROADWEST orders ship from our U.S. warehouses within 1–2 business days. Standard ground delivery in the contiguous United States is typically 1–3 business days, with freight service used for oversized or extra-heavy parts.
- Shipping area: United States only (no PO Boxes or international addresses).
- Processing time: In-stock items usually ship within 1–2 business days, Mon–Fri.
- Delivery: Standard ground or LTL freight depending on size and weight.
- Returns: Most unused items may be returned within 30 days of delivery, subject to inspection and our return guidelines.
- Costs: Original and return shipping are generally the customer’s responsibility, unless the issue is caused by ROADWEST (wrong item, damaged on arrival, etc.).
For full details, please review our Shipping Policy and Easy Return & Refund Policy before placing your order.
Refresh the front end of your classic Pete with the High Soar 4x6 Headlight Housing Base with Wire Harnesses, designed specifically for Peterbilt 378 & 379 models using dual 4x6 headlights.
- Peterbilt 378 (1987–2007)
- Peterbilt 379 (1987–2007)
This kit includes driver and passenger side headlight housing bases with integrated wiring harnesses for a clean, OE-style installation. It is compatible with standard 4x6-inch sealed beam headlights, whether you run halogen or LED upgrades.
- OE-style replacement for cracked, rusted or damaged headlight buckets on Peterbilt 378/379 trucks.
- DOT-approved construction helps maintain compliance and safe night-time visibility.
- Pre-wired harnesses simplify installation and help ensure solid electrical connections.
- Works with 4x6 sealed beam lamps including common halogen and LED replacements.
- Built for heavy-duty use on linehaul, owner-operator and show-style Peterbilt builds.
| Brand | High Soar |
|---|---|
| Application | Peterbilt 378 / 379 (1987–2007) – 4x6 Headlight Systems |
| Position | Front – Driver & Passenger Side |
| DOT Approved | Yes |
| Compatible Bulbs | 4x6-inch sealed beam (halogen or LED) |
| Included Components | 2 × Headlight Housing Bases with Wire Harnesses (Left & Right) |
| Fit Type | Vehicle Specific Fit – Peterbilt 378 / 379 |
| Use | Headlight housing replacement / restoration for dual 4x6 systems |

