6H1819500000
About this part
This page covers the genuine Yamaha part 6H1819500000 (Relay aasy). It’s an original OEM component designed to match Yamaha’s factory tolerances for correct fit, reliable function, and long service life in marine conditions.
Why choose genuine Yamaha?
For marine use, OEM specification matters. Yamaha components are designed for salt, humidity, temperature swings, and continuous vibration. If you’re aiming for “fit once, do it right”, genuine parts are typically the safest option.
Notes for this part
Installation tip: clean terminals, check cable condition, and ensure mounting/earthing points are corrosion-free. Excessive voltage drop from tired cables can mimic relay faults.
Relays/solenoids switch high current circuits like starting. Symptoms of a failing unit can include intermittent cranking, a click with no crank, or heat-related starting issues that come and go.
Warranty
1-year warranty applies to new parts (terms apply; damage from incorrect installation isn’t covered).
Ordering tips
Ordering tip: if you’re mid-repair, check the diagram for one-time-use seals, O-rings, and fasteners listed next to this part so you can complete the job without delays.