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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
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Other Details
- Google Product Type:
- Engine Parts
- Wiser:
- Yes
- Product MPN:
- 18-3421
- Product UPC:
- 30999315939
- Fast Ship:
- In Stock Ships Today
- Deals:
- Clearance
- custom-sash:
- CLEARANCE|#E72B2B|#FFFFFF|tl|sash
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