Amazon Secure Payment System Continue shopping “Sierra International 18-1956-1 Marine Port and Starboard Manifold for Mounting Package for Mercruiser Stern Drive” has been added to your cart. Product Price Quantity Subtotal × OMC Cobra Stern Drive OEM Water Pump Impeller & Housing Repair Kit 0984461 $40.53 OMC Cobra Stern Drive OEM Water Pump Impeller & Housing Repair Kit 0984461 quantity $40.53 × Amarine-made Automatic Submersible Boat Bilge Water Pump 12v 2000gph Auto with Built-in Float Switch $39.99 Amarine-made Automatic Submersible Boat Bilge Water Pump 12v 2000gph Auto with Built-in Float Switch quantity $39.99 × Sierra International 18-1956-1 Marine Port and Starboard Manifold for Mounting Package for Mercruiser Stern Drive $366.68 Sierra International 18-1956-1 Marine Port and Starboard Manifold for Mounting Package for Mercruiser Stern Drive quantity $366.68 Coupon: Apply coupon Update cart Cart totals Subtotal $447.20 Total $447.20 Proceed to checkout