Browse our category "Yamaha water pump seats and cups" to find all the spare parts necessary for the maintenance or refurbishment of the seat and water pump bowl of your Yamaha outboard. We treat the stainless steel plate and the relative gaskets for the replacement of the impeller. Everything you need for the boat can be found on our website at www.adriamarine.net or at our Adria Marine shop. Over 10,000 products for boating in the catalog. Fast shipping throughout Italy and around the world.