OEM Quicksilver Mercury Outboard Lower Water Pump Base Gasket – 8M0090319
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Description
Description
Quicksilver 8M0090319 is the lower water-pump base gasket for matching Mercury outboard gearcase assemblies.
Product details
- Manufacturer part number: 8M0090319.
- Lower water-pump base gasket.
- Replaces part number 856081.
- Distinct from upper water-pump base gasket 858524.
- Choose the required purchase quantity using the available pack option.
Fitment and selection
Match the engine serial number and lower-unit water-pump diagram. The gasket is listed in Mercury outboard catalogs, including the 110 Jet 2.5L gasket-set components; confirm the actual gearcase configuration before ordering.




