The NEW Genuine Dyson V11 SV16 Outsize Main Body Motor Cyclone Assembly 970424-01 is a replacement part specifically designed for Dyson vacuum cleaners. This gray cyclone assembly is compatible with the Dyson V11 SV16 model, providing a suitable fit for stick vacuums. The set includes the necessary components to ensure proper functionality, making it a reliable choice for maintaining your Dyson vacuum's performance.