Broad Compatibility: Precision-engineered for Yamaha V6 2-Stroke and 4-Stroke outboard engines, including 150HP, 175HP, 200HP, 225HP, 250HP, and 300HP models. Please check your model number before purchase. Comprehensive Repair Kit: Includes all necessary components for a complete water pump overhaul: Impeller (61A-44352-00), Wear Plate, Cup, Gaskets, O-Rings, Woodruff Key, and Mounting Bolts. Everything you need in one package. Superior OEM Cross-Reference: Directly replaces Yamaha OEM part numbers 61A-W0078-A1-00, 61A-W0078-A2-00, 61A-W0078-A3-00, 61A-W0078-01, 61A-W0078-00. Also compatible with Sierra 18-3396 and Mallory 9-48618. High-Performance Materials: The impeller is made from a premium neoprene rubber compound for increased flexibility and durability, ensuring consistent water flow and preventing engine overheating in harsh marine environments. Restores Engine Cooling: Effectively resolves low water pressure and cooling issues. This kit is designed to meet or exceed original factory specifications, ensuring reliable performance for your marine adventures. Saltwater and sand can quickly wear down your water pump components. Our kit features a heavy-duty impeller and corrosion-resistant stainless steel wear plates to ensure long-lasting operation in both fresh and saltwater. Each component is manufactured to strict tolerances to ensure a perfect fit and leak-free seal. Package Includes: 1 x Neoprene Impeller (61A-44352-00) 1 x Insert Cup (61A-44322-02) 1 x Wear Plate (6G5-44323-00) 1 x Water Pump Gasket (6E5-44315-A0) All necessary O-rings, Bolts, and Woodruff Key as shown in images.