For #1 Units thru S/N D494568 (Similar to #46-96148A5 without base or housing) Used on Mercruiser Stern Drives and Mercury Outboards. This kit contains all the components needed to properly repair your water pump, Impeller, ware plates, gaskets, water tube and o-rings.
Also fits Mercury/Mariner 65 HP (4 cylinder) through V-6 outboards with short vane impellers
Does not include housing. Use 18-3316 if housing is needed.
Applications:
Kit Contains:
Interchangeable with:
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
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