63P45300128D
About this part
Looking for Yamaha part 63P45300128D? This is the OEM item described as “Lower unit assy” and is manufactured to Yamaha specifications for dependable operation, consistent quality, and straightforward installation.
Why choose genuine Yamaha?
OEM parts are produced to the same specification as the original component fitted at the factory. That means correct materials, correct dimensions and consistent fit — especially important on units where corrosion, heat cycles, and vibration are normal.
Notes for this part
This is a genuine Yamaha OEM component intended for service and repair work on compatible Yamaha products. OEM specification supports correct fit, correct function, and consistent quality.
If you’re unsure it’s correct for your engine, confirm using your exact model code/serial range and the relevant parts diagram before ordering.
Warranty
Warranty: 1 year on new genuine parts (subject to correct installation and normal use).
Ordering tips
Ordering tip: Yamaha variations can exist within the same year. The safest approach is to confirm the part number against your exact model code / serial range before purchase.