The 18-3507 water pump repair kit with housing for select Mercury 350, 450, and 500 engines contains everything needed to successfully repair your water pump. See OEM interchange and engine fitment information for details.
Kit includes
Warranty
WARNING Cancer or Reproductive Harm — www.P65Warnings.ca.gov | Brand | Engine Model | Year | Serial Number Range | Horsepower |
|---|---|---|---|---|
| Mercury Marine | 350 | 1960827-2874703 | 35 | |
| Mercury Marine | 350 | 1812754-1960826 | 35 | |
| Mercury Marine | 350 | 1571114-1812753 | 35 | |
| Mercury Marine | 450 | 1476510-1531568 | 45 | |
| Mercury Marine | 500 | 2305101-2858813 | — | |
| Mercury Marine | 500 | 1639473-1755548 | — | |
| Mercury Marine | 500 | 2116318-2305100 | — | |
| Mercury Marine | 500 | 1421113-1639472 | — | |
| Mercury Marine | 500 | 1770179-2116317 | — |
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SIERRA has a 60-year history as a leading global manufacturer of aftermarket engine and drive parts for the marine industry. The SIERRA brand encompasses the full SIERRA Marine product lines, as well as expansive brands formerly known as Shields and Moeller.
