Add to Cart Quick view Blue Mercruiser Drain Plug - Sierra Sierra MSRP: Now: $5.99 Was: Blue Mercruiser Engine Drain Plug This is a Sierra replacement part for Mercruiser Engines. Includes composite drain plug and o-ring. Keep your boat running in peak performance with this genuine... MSRP: Now: $5.99 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $5.99 Was: Subtotal: Add to Cart