Peterbilt 378/379 4×6 Headlight Housing Base + Wire Harness

Name: Peterbilt 378/379 4×6 Headlight Housing Base + Wire Harness
Brand: ROADWEST
Price: 66.49 USD
Availability: InStock

Vehicle Fitment

Peterbilt 378 (1987–2007) Peterbilt 379 (1987–2007)

Amazon Price $69.99 USD

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$66.49 USD

$66.49 USD ~~$69.99 USD~~

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DESCRIPTION

Up to 5% off

Refresh the front end of your classic Pete with the ROADWEST 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	ROADWEST
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

Shipping Policy

Most ROADWEST orders are processed from our U.S. warehouses within 1–2 business days (Monday–Friday, excluding major U.S. holidays).

We currently ship within the United States only and do not deliver to P.O. Boxes, APO/FPO/DPO addresses, or international addresses.

Shipping Area: United States only
Process Time: In-stock items are usually processed within 1–2 business days (Mon–Fri, excluding major U.S. holidays)
Delivery Method: Standard ground for most items; LTL freight for oversized or extra-heavy parts
Delivery Time: After shipment, delivery typically takes 3–7 business days, depending on item size, destination, and carrier performance
Returns: Most unused items may be returned within 30 days of delivery, subject to inspection and our return guidelines

For full details, please review our Shipping Policy and Easy Return & Refund Policy before placing your order.

Warranty

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.