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![Replacement Ballast for Kenworth T660](https://deepspacelighting.com/wp-content/themes/martfury/images/transparent.png)
We now have replacement ballasts and bulbs for factory Xenon-equipped Kenworth T660 and T680 trucks. These are direct plug-in replacements, not a generic HID ballast, and carry a two-year unlimited mileage warranty. Only $65 per ballast!
Kenworth T680
Replace your Kenworth T680 ballast without replacing the whole headlight assembly, for only $65 each (sold individually). The original ballasts are rated for 2000 hours, and replacement is recommended every two years in commercial service. Shop now!
![Kenworth T680 Replacement Ballast](https://deepspacelighting.com/wp-content/uploads/2016/12/Hella-5DV00900000-OEM-HID-Headlight-Ballast-Computer-2-600x400.jpg)
Kenworth T680 Replacement Ballast
While you’re at it, pick up a set of D1S bulbs too, for $70/pair. Even if your existing ballasts and bulbs are still working fine, Xenon bulbs do dim significantly with age. We recommend replacement every 2 years for a good balance between cost and performance–it’s definitely a noticeable change at that age.
![D1S Bulbs for Kenworth T680](https://deepspacelighting.com/wp-content/uploads/2016/12/D1S-Morimoto-XB-HID-Headlight-Bulbs-5-600x400.jpg)
D1S Bulbs for Kenworth T680
Kenworth T660 Ballast
Just like the T680, we now carry replacement ballasts for your T660 with OE Xenon headlights. It’s a different ballast and bulb, however, and the bulb set is $5 cheaper. Pick up the ballast here, and bulbs here.
![Replacement Ballast for Kenworth T660](https://deepspacelighting.com/wp-content/uploads/2016/12/Hella-5DV00829000-OEM-HID-Headlight-Ballast-Computer-3-600x400.jpg)
Replacement Ballast for Kenworth T660
![Replacement Bulbs for Kenworth T660](https://deepspacelighting.com/wp-content/uploads/2015/01/Morimoto-D2S-XB-HID-Headlight-Bulbs-1-600x400.jpg)
Replacement Bulbs for Kenworth T660