Enhance the cooling efficiency and performance of your marine engine with this high-quality Water Pump Impeller, specially designed for Johnson F6B-9 V8 pumps, Indmar models, and other compatible systems. Crafted from durable marine-grade rubber combined with metal components, this impeller ensures reliable operation and long-lasting service in demanding aquatic environments. Featuring 12 precision-engineered blades and teeth, it delivers superior water flow to protect your engine from overheating while maintaining smooth propulsion and handling. Key Features: · Wide Compatibility: Specifically designed to fit Johnson F6B-9 V8 pumps and various Indmar Monsoon models including 320HP, 325HP, 330HP, 335HP, 340HP, and 350HP, suitable for popular boat brands such as Supra, Moomba, Mastercraft, and Tige. Please verify your model before purchase. · High-Quality Materials: Constructed from premium marine-grade rubber and metal, offering excellent chemical resistance and durability to withstand harsh marine conditions. · Enhanced Cooling Performance: Provides improved water flow and cooling rate compared to aging impellers, effectively protecting your engine from overheating and ensuring optimal operation. · Superior Propulsion Efficiency: Manufactured using advanced techniques to guarantee high performance, smooth handling, and reliable propulsion in various watercraft applications. · Precise Dimensions: Impeller width approximately 59mm (2.32 inches), length approximately 48mm (1.89 inches), with an inner shaft diameter of about 18mm (0.71 inches), designed for exact fit and easy installation. · Multiple Part Number Compatibility: Compatible replacement for part numbers 3588914, 3584350, 21213664, 3593660, 3841696, as well as Johnson numbers 09 812B 1, 09 812B, 18-3306, and Indmar numbers S685007, 119773-42600, ME420TI, 6TA 12457 00. Specifications: · Item Type: Water Pump Impeller · Material: Rubber + Metal · Blade Count: 12 Blades · Teeth Count: 12 Teeth · Impeller Width: Approx. 59mm / 2.32 inches · Impeller Length: Approx. 48mm / 1.89 inches · Impeller Shaft Inner Diameter: Approx. 18mm / 0.71 inches · Compatible Part Numbers: 3588914, 3584350, 21213664, 3593660, 3841696, 09 812B 1, 09 812B, 18-3306, S685007, 119773-42600, ME420TI, 6TA 12457 00 Package Includes: · 1 x Water Pump Impeller This Water Pump Impeller is an ideal replacement part that combines durability, precision, and enhanced cooling capabilities to extend the life of your marine engine. Perfect for boat owners seeking dependable performance and efficient engine protection, it ensures your watercraft runs smoothly even under demanding conditions.