This Associated factory replacement Battery Holder and Fan Mount Set is designed for the RC10B84 4WD buggy platform. The set includes multiple injection-molded plastic brackets and mounting pieces for securing the battery and attaching a cooling fan. Two O-rings are also included to complete the assembly. A straightforward replacement for worn or broken originals to keep your B84 properly configured. Features: Includes battery holder brackets and fan mount hardware Two O-rings included Injection-molded plastic construction Designed for the Associated RC10B84 platform 7/7/26 cs