Reliable Full LED Upgrade for T660
If you’re upgrading from halogen or replacing worn headlights, this full LED setup offers a simple and effective upgrade. Designed for the Kenworth T660, these headlights provide improved visibility, modern styling, and long-term reliability without added complexity.
Ideal for fleets and drivers who want dependable LED performance.
Full LED Lighting Performance
These headlights use LED technology for both low and high beam functions.
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Low Beam: 1,100 lumens / 30.7W
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High Beam: 2,500 lumens / 61.4W
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Consistent LED output
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Strong high beam performance for improved visibility
Integrated LED Lighting System
Multiple lighting functions are built into one unit.
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27 LED amber turn signal and side marker
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33 LED white position light bar
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Clean, modern lighting appearance
Sealed Housing for Durability
Designed to handle real-world trucking conditions.
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Polycarbonate lens sonically sealed to housing
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Helps prevent moisture intrusion
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Improves long-term reliability
Non-Sequential Turn Signal
Designed with a standard LED signal setup.
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Instant-on LED turn signal
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No sequential pattern
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Simple and reliable operation
Plug-and-Play Style Installation
Designed for straightforward installation using factory connections.
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Fits 2008–2017 Kenworth T660
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Connects to existing wiring harness
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Direct replacement design
Note: Installation may vary depending on truck configuration.
Built for Daily Driving
These headlights are designed for durability and consistent performance.
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Chrome inner housing for a polished look
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Multi-function LED system
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Designed for real-world conditions
Compliance & Fitment
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Fits Kenworth T660 (2008–2017)
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Driver and passenger sides sold separately
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DOT / SAE compliant (FMVSS 108)
What’s Included
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(1) LED Headlight Assembly (Driver OR Passenger – based on selection)
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Integrated LED lighting system (low/high beam, turn signal, marker, position light bar)
Frequently Asked Questions About Kenworth T660 LED Headlights
Are these full LED headlights?
Yes, these headlights use LED technology for both low and high beam functions.
Are these brighter than halogen headlights?
Yes, LED headlights provide more consistent output and improved clarity compared to halogen systems.
Do these have sequential turn signals?
No. These headlights use a standard LED turn signal without a sequential pattern.
What is the position light bar used for?
The LED position light bar enhances visibility and adds a modern look to your truck.
Are these plug-and-play?
They are designed to connect to your factory wiring harness for straightforward installation. Some variation may occur depending on setup.
Will these fit all Kenworth T660 models?
These are designed for 2008–2017 Kenworth T660 trucks. Always confirm compatibility before ordering.
Are these good for fleets?
Yes. The simple design, sealed housing, and reliable LED performance make them ideal for fleet use.
Can I replace just one side?
Yes. Driver and passenger sides are sold separately.
How do these compare to projector LED headlights?
These offer strong LED performance, while projector LED headlights focus more on beam control and precision.





















