From Volvo fuel pump replays to BMW fan relays, or Audi cooling relay or Volkswagen radiator fan relay , FCP Groton offers carries them all! A relay can control multiple functions of your car making it an integral part of your vehicle. FCP Groton has all the electrical parts needed to keep your electrical system in great working order. There’s nothing worse than a relay malfunction since relays control many functions of today’s cars. We carry everything from cooling fan relays to theft alarm relays ensuring that relay systems in your car work each and every time. In modern cars relays are used to control everything from basic to critical functions, FCP has you covered with a listing of many KAE relays that have been added to FCP Groton.