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5" (343 mm) × W: 14" (356 mm) Weight 1
Common signs of a failing water pump include a weak or non-existent water stream from the "telltale" outlet
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non-marking material that resists UV rays
taking note of its orientation
Water Pump Impeller – Fits Mercury/Mariner 4–9.8HP Outboards (Replaces 47-89981, 47-65957, 47-39074) 320-370HP 5" (343 mm) × W:Product Details This replacement Water Pump Impeller Fits Mercury Mariner 49. 8HP Outboards is engineered for a precise fit on select 2 stroke engines from 19751986, specifically models with a 0. 456" (11. 6mm) drive shaft diameter. It is a crucial component for maintaining proper engine cooling performance by circulating water through the outboard's cooling system. This part serves as a direct interchange for OEM numbers Mercury 47 89981, 47 65957,
