Sierra Yamaha Outboard Impeller 4 & 5Hp

Keep your Yamaha outboard running cool and reliable with this genuine Sierra replacement water pump impeller. Designed as a direct-fit alternative to the OEM part, it restores proper cooling water flow to protect your engine from overheating.

Features

• High-quality marine-grade neoprene/rubber construction built to meet or exceed OEM specifications
• 6-blade design for efficient water circulation
• Precision-engineered for easy, direct replacement installation
• Includes impeller key/pin (on most versions)
• Suitable for both freshwater and saltwater use

Compatibility

• Fits Yamaha outboard engines including:4 HP 2-stroke models (approx. 1984–1999)
• 5 HP 2-stroke models (approx. 1984–2002)
• Replaces OEM part numbers: Yamaha 6E0-44352-00 / 6E0-44352-00-00 / 6E0-44352-01 / 6E0-44352-03, Mariner 47-96305M
• Sierra part number: 18-3073
• Size: Hole; 10mm (not including key segement),
• Length(inc fins): 40mm
• Length: 23mm (ex fins)