Check the listing for details. Replacement 2 Button Remote Fob Key Case shell for Cobra 4138 4198 Car Alarm. Condition: New. Listed at 39.01 USD. Our state of the art premises are conveniently located in Birmingham, which means our customers can reach us easily from all over the UK and we are also able to provide a comprehensive nationwide fitting service. Our hassle-free mobile fitting service means that you can enjoy the quality and service we provide without having to leave your own home. Everything we supply and fit comes with a minimum 12 month parts and labour warranty for your peace of mind. In addition to the great range of vehicle products we supply and fit, we are also able to offer a fully comprehensive engine remapping and tuning service for most makes and models of vehicle from cars to motorhomes. This service enables our customers to use their vehicles safely to their maximum potential. When your vehicle is running at.