Amazon Secure Payment System Continue shopping “Sierra International 18-8554 Marine Exhaust Elbow Mounting Kit for Mercruiser Stern Drive” has been added to your cart. Product Price Quantity Subtotal × Yamaha 663-83668-00-00 Nut W/Ferrule; Outboard Waverunner Sterndrive Marine Boat Parts $12.73 Yamaha 663-83668-00-00 Nut W/Ferrule; Outboard Waverunner Sterndrive Marine Boat Parts quantity $12.73 × Sierra International 18-8554 Marine Exhaust Elbow Mounting Kit for Mercruiser Stern Drive $43.62 Sierra International 18-8554 Marine Exhaust Elbow Mounting Kit for Mercruiser Stern Drive quantity $43.62 Coupon: Apply coupon Update cart Cart totals Subtotal $56.35 Total $56.35 Proceed to checkout