Kenworth 4×6 Headlight Housing Base + Wire Harness – T400/T600/T800/W900/K100/C500
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DESCRIPTION
Restore clean, reliable lighting performance on your Kenworth with the ROADWEST 4x6 Headlight Housing Base with Wire Harnesses. This DOT-approved OE-style replacement is engineered for trucks equipped with dual 4x6 headlights and is compatible with:
- Kenworth T400 (1988–1997)
- Kenworth T600 (1990–2007)
- Kenworth T800 (1987–2020)
- Kenworth W900 (1984–2020)
- Kenworth K100 (1984–2004)
- Kenworth C500 (1989–2020)
This kit includes driver and passenger side headlight housing bases with integrated wire harnesses, designed to work with standard 4x6-inch sealed beam headlights (halogen or LED replacement lamps). Durable materials and weather-resistant connectors help ensure long-term performance in harsh road conditions.
- Direct-fit replacement for worn, cracked or corroded headlight housings on popular Kenworth models.
- DOT-approved design to help maintain road-legal lighting performance.
- Pre-terminated wire harnesses for simpler installation and reliable electrical connections.
- Compatible with 4x6 sealed beam halogen or LED headlights (H4651, H4652, H4656, H4666, H4668, H6545, etc.).
- Built for heavy-duty use on long-haul, vocational and custom Kenworth trucks.
| Brand | ROADWEST |
|---|---|
| Application | Kenworth T400 / T600 / T800 / W900 / K100 / C500 (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 – Kenworth models listed above |
| Use | Headlight housing replacement / lighting upgrade base for 4x6 lamps |
Shipping Policy
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
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.

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$66.49 USD