ITEM NAME:4Pcs Marine Outboard Fuel Pump Diaphragm Set For Yamaha 9.9 15 Engine Description: 100% brand new and high quality. Perfect replacement for you old or broken part. OEM part number: 677-24411-02 & 677-24471-00 (5Holes) Fitment: for Yamaha Outboard Engine Motors(9.9HP, 15 HP) Specification: Material: Plastic Size: 46x40mm/1.81x1.57inch Package Includes: 4 Pieces Fuel Pump Diaphragm SKU: DMO0019367919525820.4 Pieces Fuel Pump Diaphragm. OEM part number: 677-24411-02 & 677-24471-00 (5Holes).