Boat Engine 6H4-W0001-02 A2 01 A1 00 Power Head Powerhead Gasket Kits for Yamaha Outboard Motor 3 Cylinder 40HP 50HP, Fit Sierra 18-4419 18-4407. Fit Engine: 3 Cylinder 40HP 50HP. Replaces Part OEM Number#: 6H4-W0001-02 6H4-W0001-A2 6H4-W0001-01 6H4-W0001-A1 6H4-W0001-00.
