Best LED Headlights for Kenworth T680 (2013–2025 Buyer's Guide)
Why the T680 Is Perfect for an LED Headlight Upgrade
The Kenworth T680 is the aerodynamic workhorse of modern fleets — and its sleek front end design looks even better with LED headlights. The factory halogen units on pre-2018 models are adequate but underwhelming compared to modern LED projectors. Upgrading gives you dramatically better night visibility, a cleaner white beam pattern, and a fresh look that takes years off the truck's appearance.
T680 Headlight Generations
Kenworth updated the T680's headlight design over its production run:
- 2013–2017 (Gen 1): Original headlight shape. Wide selection of aftermarket LED replacements available. These are the most commonly upgraded.
- 2018–2021 (Gen 2): Revised front end with updated headlight housing. Some models came with factory LED options. Aftermarket selection is growing.
- 2022–2025 (Gen 3 / T680 Next Gen): Further updated styling. LED is standard on many trims. Aftermarket upgrades focus on higher-output replacements.
Important: Headlights are not interchangeable between generations. Always verify your model year before ordering.
What Makes a Great T680 LED Headlight
Projector Beam Pattern
Projector-style headlights produce a sharp, focused beam with a defined cutoff line. This means maximum illumination of the road ahead without blinding oncoming traffic. For highway driving, projectors are the clear winner over reflector housings.
Color Temperature
The sweet spot for visibility is 5500K–6000K (pure white). This produces the most natural-looking light that shows road markings, signs, and obstacles clearly. Avoid cheap LEDs above 6500K — they shift into blue territory and actually reduce visibility in rain, fog, and snow.
DOT / SAE Certification
Every headlight we sell is DOT and SAE certified for legal on-road use. Non-compliant headlights can result in failed inspections and fines. Look for the DOT stamp on the lens before purchasing from any supplier.
Plug-and-Play Wiring
The best T680 LED headlights use the factory wiring harness connector — no cutting, splicing, or adapters required. Remove the old light, plug in the new one, done.
Installation Guide
T680 headlight replacement is straightforward:
- Disconnect the battery
- Remove the front bumper trim panel (2–4 push clips) to access the lower headlight bolts
- Remove the 3–4 mounting bolts securing the headlight housing
- Unplug the factory wiring harness connector
- Slide out the old headlight and slide in the new LED unit
- Plug in the factory connector
- Secure mounting bolts and reinstall bumper trim
- Reconnect battery and test low beam, high beam, and DRL
Total time: 30–45 minutes per side. No special tools required beyond standard sockets and screwdrivers.
Shop T680 Headlights
Browse our full selection of Kenworth T680 LED headlights. Every unit ships with a fitment guarantee for your model year. Need help choosing? Call us at (972) 354-1081.
For more T680 upgrades, see our complete Kenworth T680 parts catalog covering chrome, lighting, interior, and wheel accessories.