Water Pump - Mechanical - High Volume - 5/8 in Pilot - 1-7/8 in Inlet - Aluminum - Oldsmobile V8 - Each

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Reference Information

Water Pump, Mechanical, High-Volume, Oldsmobile, 350/389/403/425/455, Aluminum, 1971-1988, Each

• Milodon’s exclusive high efficiency impeller design is installed into new GMB castings using heavy-duty bearings and large-diameter shafts. It is the impeller that makes the pump work so much better than a standard, stock design water pump.
• Milodon water pumps are available in high-volume (steel or aluminum) and standard-volume versions Pumps are direct factory replacements with OEM hose connections and bosses.
• These high-volume pumps have a balanced distribution design (equal flow to both sides of the engine block) and a high-efficiency impeller that increases coolant flow up to 30 percent over stock.
• These features increase coolant pressure in the block to prevent hot spots and air pockets and improve coolant flow in the radiator.
• A high-flow thermostat is recommended when using a high-volume pump.