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Reinstall the thermostat housing cover and tighten the bolts evenly to the specified torque
44 Torpedo SN 1B980359 & below Mercury Outboard Verado 250HP 0P520553 THRU 2B144122 Gear Housing
impeller replacement is a manageable DIY task
Inspect the housing and insert for wear
This water pump impeller is designed for Johnson and Evinrude outboard motors ranging from 85 HP to 300 HP
Bi-Directional Water Pump for Volvo Penta/MerCruiser Sterndrive 8503991 3853850 140HP Reinstall the thermostat housing coverBi Directional Water Pump Fits MerCruiser V6 V8 Small Block (Replaces 8503991) This engine mounted, bi directional water circulating pump is designed for a wide range of marine engines, including MerCruiser, Volvo Penta, OMC, and other brands using GM small block V6 and V8 engines. It ensures reliable coolant circulation for optimal engine temperature. This component is a direct replacement for MerCruiser part numbers 8503991 and 8M0113734, Volvo
US$ 215.00
US$ 53.00
US$ 82.00
US$ 14.00