2018 Harley-Davidson Ultra Limited
Android Auto, CarPlay & Streaming Apps for 2018 Harley-Davidson Ultra Limited

| Factory code | FLHTK |
|---|---|
| Engine | Milwaukee-Eight 107 |
| Factory radio | Boom! Box 6.5 GT |
| Factory CarPlay / Android Auto | None from factory — add via an aftermarket radio or a GTS swap |
| Factory USB | USB-A (media / charge only) |
The 2018 Ultra Limited carried the Milwaukee-Eight touring platform into its second model year, still running the Boom! Box 6.5 GT touchscreen with no factory Apple CarPlay or Android Auto. HogPlay's upgrade path brings both to this bike wirelessly, whichever route you choose.
No Factory CarPlay — GTS Swap or Aftermarket
The 2018 Harley-Davidson Ultra Limited ran the factory Boom! Box 6.5 GT — no factory CarPlay or Android Auto. Two ways to add it: swap to a 2019–2023 Boom! Box GTS and add a HogPlay GTS Bypass for wireless CarPlay, or fit an aftermarket CarPlay radio (SoundStream, Rockford Fosgate, Boss, Diamond Audio, Aquatic AV). Either way a HogPlay Media Box adds Netflix, YouTube and streaming and a Piglet adds Mirror Link and AirPlay. No headset bypass required.
We also stock universal parts that fit the 2018 Harley-Davidson Ultra Limited and most other motorcycles — standalone CarPlay screens and universal USB power.
Universal parts that fit 2018 Harley-Davidson Ultra Limited and most other motorcycles
✓ Universal fitHogPlay USB Media Box Power Boost Cable (USB C)
✓ Universal fitHogPlay USB Media Box Power Boost Cable (USB A)
✓ Universal fitHogPlay USB Charging Ports - USB-A & USB-C - Universal for Motorcycles
✓ Universal fit7” CarPlay HogPlay Media Screen
✓ Universal fit7” DVR CarPlay HogPlay Media Screen w/ DVR Drive CameraAbout the 2018 Harley-Davidson Ultra Limited
By 2018 the Ultra Limited's Milwaukee-Eight-powered touring package was well established, but the cockpit still centered on the same Boom! Box 6.5 GT touchscreen - a good system for its time, just never built with Apple CarPlay or Android Auto in mind.
The simplest upgrade is an aftermarket touchscreen radio - Diamond Audio and Boss both make Harley-fit units with wireless Apple CarPlay and Android Auto onboard, and because it's a full replacement head unit, no headset bypass is needed.
For riders who want to stay closer to factory, swap in a 2019-2023 GTS radio and add a HogPlay CarPlay bypass adaptor to unlock its built-in Apple CarPlay and USB port, then add a HogPlay Media Box for Android Auto plus Netflix, YouTube, YouTube Music and podcast streaming from an SD card or USB drive - or a USB Piglet for Android Auto and AirPlay-style mirroring. A bar-mounted Media Screen rounds out the options, though most riders with an existing head unit choose to upgrade the radio itself.
HogPlay Media Boxes work on Diamond Audio, Boss Audio, Rockford Fosgate, SoundStream and Aquatic AV aftermarket radios to unlock apps, streaming and more — it's not just for factory screens. Running an aftermarket head unit? See the matching aftermarket radio pages.
Android Auto on the 2018 Harley-Davidson Ultra Limited: HogPlay makes the 2018 Harley-Davidson Ultra Limited run wireless Android Auto and Apple CarPlay — compare every Android Auto for Harley-Davidson & Indian motorcycles option, then confirm your exact fit with What Fits.
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