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Description
Sierra 18-3239 Water Pump Repair Kit for Mercury, Mariner
Sierra high-quality engine parts are designed to meet OEM specifications. For small gear case engines under 9.9 hp.
Kit Includes:
- (1) 18-3039 Impeller
- (1) 18-3139 Impeller Plate
- (1) 18-7409 O-Ring
Interchangeable with:
- GLM
- 12270
Supersedes 18-3239D
California Residents: 
WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov
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