Sierra Water Pump Kit #18-3446 4/4.5 HP Mercury
Water Pump Kit. Mercury/Mariner: 46-70941A3. FITS: 4/4.5 HP. Contains: (1) 18-3039 Impeller 47-89981. (1) 18-3139 Impeller Plate 46895
Water Pump Kit. Mercury/Mariner: 46-70941A3. FITS: 4/4.5 HP. Contains: (1) 18-3039 Impeller 47-89981. (1) 18-3139 Impeller Plate 46895