Sierra 18-3421 Water Pump Base - MW
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Sierra 18-3421 Mercruiser Water Pump Base
Sierra high-quality engine parts are designed to meet OEM specifications. Water pump base for Mercruiser. Fits 120, 140 & 160 drives with flush screw in gear housing.
Interchangeable with:
- GLM
- 12330
- Mallory
- 9-43309
- Mercruiser Stern Drive
- 46-48748A1
Application:
Mercruiser Stern Drive
- 120/140
- 1967-1969
- 2062141 thru 2791956
- 160
- 1967-1969
- 2065190 thru 2763441
WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov

