$47.69
$34.39
Water pump base for Mercury - Mariner. Replaces part number 46-77516A1.
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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
Sierra 18-3421 Water Pump Base Specs
- Product MPN
- 18-3421
- Product UPC
- 30999315939
- Fast Ship
- In Stock Ships Today
- Deals
- Clearance
- custom-sash
- CLEARANCE|#E72B2B|#FFFFFF|tl|sash
- Interchangeable with:
- GLM 12330
- Interchangeable with:
- Mallory 9-43309
- Interchangeable with:
- MerCruiser 46-48748A1
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Sierra 18-3421 Water Pump Base Reviews
Sierra 18-3421 Water Pump Base Questions & Answers
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