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Description
Sierra 18-3109 MerCruiser Water Tube Guide
Sierra high-quality engine parts are designed to meet OEM specifications. Fits MC-I, R, MR & Alpha One drives.
Use With: 18-3116 Water Pump Housing
Interchangeable with:
- GLM
- 12820
- Mallory
- 9-43623
- Mercruiser Stern Drive
- 23-52928
- 23-29804
- 23-29804T
- Mercury Marine
- 23-29804
- 23-29804T
California Residents: 
WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov
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