Google servers actively reject outdated security protocols used by KitKat.
Aurora Store is an open-source client for the Google Play Store. While the latest versions require newer Android builds, you can download an older stable version of Aurora Store (such as v3.x) to anonymously download free apps directly from Google's servers without needing a functional Google Play Services APK on your phone. 3. APKPure or Uptodown
The absolute final stable release build series for KitKat is . How to Download and Install It: android 444 google play services apk work
Google has upgraded its authentication servers to use modern encryption standards. Android 4.4.4 lacks these protocols. Trying to log into your Google account will often result in a generic "Can't establish a reliable connection to the server" error. 3. Broken Google Apps
You do not need the Google Play Store to download apps. Several third-party marketplaces still host legacy apps that run beautifully on Android 4.4.4: Android 4
Are you comfortable using a computer to ?
The last version of Google Play Services that works on Android 4.4.4 is 23.30.99 . android 444 google play services apk work
A lightweight client for the Google Play Store. It allows you to download anonymous, older versions of apps without needing a Google login.
What (or car head unit) are you trying to fix?