/ Spare parts / Outboards / Yamaha / Gearcase parts

Yamaha Outboard Gearcase Parts

At Marineparts you'll find a comprehensive range of gearcase parts (lower unit components) for Yamaha outboards. Our selection covers the internal driveline – driveshafts and propeller shafts, pinion gears, forward and reverse gears, tapered roller and needle bearings, shift forks and shift cams – as well as the water pump housing, water pump base and impeller cup, all the seals and o-rings (driveshaft and propshaft seals, gearcase cover seals) and gearcase anodes. The right bearings, seals and shift components keep the gearcase running quietly and oil-tight. We offer genuine Yamaha parts alongside high-quality aftermarket alternatives at competitive prices. Orders ship quickly from our own warehouse.
Read more
At Marineparts you'll find a comprehensive range of gearcase parts (lower unit components) for Yamaha outboards. Our selection covers the internal driveline – driveshafts and propeller shafts, pinion gears, forward and reverse gears, tapered roller and needle bearings, shift forks and shift cams – as well as the water pump housing, water pump base and impeller cup, all the seals and o-rings (driveshaft and propshaft seals, gearcase cover seals) and gearcase anodes. The right bearings, seals and shift components keep the gearcase running quietly and oil-tight. We offer genuine Yamaha parts alongside high-quality aftermarket alternatives at competitive prices. Orders ship quickly from our own warehouse.
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All products in this category (1000)

Aftermarket
O-ring
O-ring
€1.59
Expected delivery: May 29, 2026
Aftermarket
GASKET, WATER PUMP
GASKET, WATER PUMP
€7.97
Out of Stock
Expected delivery: Jun 1, 2026
Aftermarket
Base, driveshaft
Base, driveshaft
€35.86
In stock
Aftermarket
WASHER A BUSH
WASHER A BUSH
€3.19
Expected delivery: May 28, 2026
Aftermarket
O-ring
O-ring
€6.37
In stock
Aftermarket
COMPRESSION SPRING
COMPRESSION SPRING
€0.80
Out of Stock
Expected delivery: Jun 1, 2026
Aftermarket
BUSH, NYLON
BUSH, NYLON
€1.59
Expected delivery: May 28, 2026
Aftermarket
zn
Anode Zinc, Yamaha 8-25HP
Anode Zinc, Yamaha 8-25HP
€32.67
Expected delivery: May 28, 2026
Aftermarket
Clutch dog
Clutch dog
€31.07
Expected delivery: May 29, 2026
Drain plug
Drain plug
On Request
Out of Stock
Out of stock
Aftermarket
Driveshaft, short shaft
Driveshaft, short shaft
€351.39
Expected delivery: May 25, 2026
Aftermarket
Pinion gear
Pinion gear
€38.25
Expected delivery: May 29, 2026
Aftermarket
Water pump base for Yamaha/Mariner & Parsun
Water pump base for Yamaha/Mariner & Parsun
€13.54
Expected delivery: May 29, 2026
Aftermarket
Gearcase Seal Kit Yamaha 4-5 hp
Gearcase Seal Kit Yamaha 4-5 hp
€23.11
In stock
Aftermarket
LOWER CASING ASSY (L)
LOWER CASING ASSY (L)
€647.01
Expected delivery: May 28, 2026
Aftermarket
Bolt
Bolt
€3.19
In stock
Aftermarket
Water Pump Repair Kit for Yamaha 20-25 hp
Water Pump Repair Kit for Yamaha 20-25 hp
€21.51
In stock
Aftermarket
Bearing
Bearing
€43.03
In stock

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