Additional delays for Evinrude, Johnson, and OMC products that are not in stock.

Due to a temporary system outage at the BRP warehouses, Evinrude, Johnson, and OMC products that are not in stock will ship with additional delays. We apologize for any inconvenience.

Yamaha, Suzuki, Mercury and Mercruiser products will continue to ship without interruption.

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Water Pump Assembly 8503991

Satisfaction rating 5 out of 5 (2 Ratings)
Price not available
There is a newer version of this part: 8M0113734
No Longer Available
Mercury logo Parts included in this kit

Product Description

Mercury factory part. Search for more factory parts & parts diagrams.

Parts included in this kit

Please note: Some of the included items may not be available for purchase separately and won't be listed here.

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Product Fitment Grid

This guide is to be used as a reference only. You must verify fitment using your model or serial number.

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Aftermarket Product Interchange

Name SKU Price Brand
Circulating Water Pump 18-3583 - Sierra Marine
Circulating Water Pump 18-3599 - Sierra Marine
Pump,Water Gm Sb V6& 8 W/Stmp 9-42606 $116.99 Mallory Marine
Due to manufacturer policy OEM Mercury products can only be shipped to addresses within the United States.