Up To $50 Off Your Order! Promo Code: SUNSHINE

Sierra Powerhead Base Gasket For Mercury Marine Engine, Sierra Part #18-0378

Item # 750646
Please make sure all selections are complete and a valid quantity is entered and try again.

In Stock


  • Sierra Part #18-0378

  • Powerhead base gasket

  • For Mercury Marine engine

Product Summary 

Sierra powerhead base gasket for Mercury Marine engine. Sierra Part #18-0378.

OEM Part Numbers:
27-823142 2