Redcat Racing 30-Kilo Steering Servo for Rampages SP3005 30Kg Metal Gear Steering Servo for Gas Rampages, Splash proof; Can be used to upgrade from part 52019ME RC Car Parts : 52019MG Genuine Redcat Racing Parts For troubleshooting and warranty information please contact a Redcat Racing Customer Service Specialist at 602-454-6445 or by emailing amazonsupport@redcatracing.com NOTE: Please read the User Manual before use.