Sierra's 18-7062 Inlet Valve is designed for use with Mercury/Mariner carburetor models: WME-1, 1A, 1B, 4, 5, 6, 6A, 7, 7B, 8, 9, 10, 10A, 11, 14, 15, 15A, 17, 18, 20, 20A, 21, 21A, 22, 22B, 23, 24, 26, 27, 28, 32, 32A, 33, 34, 35, 36, 36A, 37, 37A, 38, 39A, 40, 40A, 42, 42A, 43, 44, 45, 50, 52, 53, 57, 58, 63, 64, 65, 66, 67, 68, 69, 79, and 81. It is interchangeable with GLM 40950 and Mercury Marine 1395-879194011 and 1395-95951. Check manufacturer recommendations to ensure a proper fit before purchasing. Each Sierra product meets or exceeds the original equipment part it replaces.