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Add to CartQuicksilver 8M0078858 Water Pump Upper Repair Kit is designed to service the water pump assembly on select Mercury Verado FourStroke outboards. This comprehensive repair kit includes many of the critical components needed to restore proper cooling system performance and help maintain reliable engine operation.
Designed for select 6-cylinder Verado applications, this kit replaces key water pump components including the impeller, upper and lower housings, face plate, gaskets, drive key, face seal, seal carrier, and water tube coupling. It is one of the more complete kits available for repairing Verado outboard water pumps.
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What is the Quicksilver 8M0078858 Water Pump Kit used for?
The Quicksilver 8M0078858 Water Pump Upper Repair Kit is designed to service the water pump assembly on select Mercury Verado FourStroke outboards. It includes major water pump components intended to help restore proper cooling water flow and maintain engine operation.
Which Mercury Verado engines does the Quicksilver 8M0078858 Water Pump Kit fit?
The Quicksilver 8M0078858 is designed for select 6-cylinder Verado applications from 200 to 400 HP. Listed applications include 200–300 HP Verado 6-cylinder engines within specified serial-number ranges, 350 HP 2.6L L6 Pro Verado, 400 HP 2.6L L6 Verado, and 400R HP 2.6L L6 Racing models.
What serial numbers are covered by the Quicksilver 8M0078858 Water Pump Kit?
The 200–300 HP Verado 6-cylinder applications are listed for serial numbers 1B517434 through 2B144122 and 2B144123 through 2B578935. The 350 HP Pro Verado is listed as 2B141124 and up, the 400 HP Verado as 2B618256 and up, and the 400R Racing model as 2B141124 and up.
What is included in the Quicksilver 8M0078858 Water Pump Kit?
The kit includes a water impeller, upper pump housing, lower pump housing, face plate, gaskets, drive key, face seal, seal carrier, and water tube coupling. These components provide the major water pump parts specified for repairing the applicable Mercury Verado FourStroke water pump assembly.
Is the Quicksilver 8M0078858 Water Pump Kit for 6-cylinder Verado outboards?
Yes. The product details identify the application as Mercury Verado FourStroke outboards with a 6-cylinder Verado engine type. The listed horsepower range is 200–400 HP, with specific model and serial-number applications provided for each engine configuration.
How do I verify that the Quicksilver 8M0078858 Water Pump Kit fits my Verado?
Verify your Verado horsepower, engine configuration, and serial number against the specific applications listed for the Quicksilver 8M0078858. The kit is intended only for the select applications provided in the product description, so matching the serial-number range is important before purchasing or servicing the water pump.
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
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