Stens 525-860 Walbro OEM Carburetor Float Replaces: Kohler: 25 757 09, 25 757 09-S, Walbro: 75-566, 75-566-1 Fits: Kohler M10-M20, MV18 and MV20 Walbro carburetors Walbro WHG and WHL ID: 3/4", Height: 3/4", OD: 1 3/4" Not compatible with greater than 10% ethanol fuel Genuine OEM Walbro Part 75-566-1