18-3445 Sierra Water Pump Base Mercury 40-60hp Manufacturer: Sierra Part Number: 18-3445 Condition: New Replaces: Mercury 46-812966A7, 46-812966A 3, 46-812966A 9, 46-812966A 7 Fits: Mercury 40-60hp (not all models or years) (verify fitment using your model or serial number)
