Yamaha 6H4-44352-02-00 Water Pump Impeller
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Yamaha 6H4-44352-02-00 Water Pump Impeller
The water pump impeller part number 6H4-44352-02-00 is a flexible rubber rotor that draws cooling water through the lower unit and pushes it up into the engine to absorb excess heat. Over time the blades wear, harden or break, reducing flow and causing the engine to run hot. Yamaha recommends replacing the impeller every 100 hours of operation or once per season. A failing impeller can cause symptoms such as an overheating alarm, a weak tell?tale stream or rubber debris in the pump housing. This genuine Yamaha impeller is engineered to meet factory specifications and will restore the cooling system’s performance when installed. Replacing the impeller as part of regular maintenance helps protect your outboard from overheating and costly damage.
Flexible rubber blades draw and circulate cooling water through the outboard. OEM Yamaha impeller ensures proper fit and restores cooling system performance.
It fits both 2?stroke and 4?stroke Yamaha outboard engines in the 25HP to 50HP range, including:
2-Stroke Models:
25HP engines (e.g. 25B, 25J, 25N, 25Q, 25V, 25XMH)
30HP engines (C30 variants)
40HP (e.g. 40H, 40X)
50HP models (P50, JET 50) from the late 1980s through early 1990s
4-Stroke Models:
F25 and T25 (1998–2017 for F25; T25 from 2001 onward)
F30 and F40 (2000–2019+ models)
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