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Sierra Water Pump Mounting Gasket For Mercury Marine Engine,Sierra Part #18-0891

Item # 718390
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Expected back in stock soon.


  • Sierra Part #18-0891

  • Water pump mounting gasket

  • For Chris-Craft/Mercury Marine/OMC engine

Product Summary 

Sierra water pump mounting gasket for Chris-Craft/Mercury Marine/OMC/Volvo/Yamaha engine. For GM 4.3L, 5.0L, and 5.8L applications. Sierra Part #18-0891.

OEM Part Numbers:
Chris-craft: 16.50-00078
Mercury Marine: 27-34897
OMC: 909835
OMC: 3852477
Volvo: 3852477
Yamaha: YSG-37545-87-G0