Sierra 18-3602 Water Intake Hose for MercruiserSierra replacement water intake hose for use with Mercruiser Stern Drives.Fits: MR, Alpha One & Gen II Diameter Size: 3/4" or 19.1mm; Length: 13-7/8" x 352.4mm; Interchangeable with: GLM; 47110; Mllory; 9-73002; Mercruiser Stern Drive; 32-4172533; 32-8M0062309; 32-8M0109048;