/ Spare parts / Outboards / Mercury/Mariner / Gearcase parts

Mercury and Mariner Outboard Gearcase Parts

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At Marineparts you'll find a comprehensive range of gearcase parts (lower unit components) for Mercury and Mariner 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. Whether you're rebuilding a 2-stroke lower unit after a hard grounding or refreshing a Verado L6 gearcase, the right bearings, seals and shift components keep the gearcase running quietly and oil-tight. We offer genuine Mercury 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 Mercury and Mariner 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. Whether you're rebuilding a 2-stroke lower unit after a hard grounding or refreshing a Verado L6 gearcase, the right bearings, seals and shift components keep the gearcase running quietly and oil-tight. We offer genuine Mercury 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 (953)

Washer
Washer
€4.78
Out of Stock
Expected delivery: May 28, 2026
Aftermarket
O-ring
O-ring
€1.59
Expected delivery: May 29, 2026
Aftermarket
SHIM 0.10mm
SHIM 0.10mm
€5.58
Expected delivery: May 29, 2026
Drain plug
Drain plug
On Request
Out of Stock
Out of stock
Bearing for Mercury/Mariner 8-50 hp outboards
Bearing for Mercury/Mariner 8-50 hp outboards
€17.53
Expected delivery: May 27, 2026
Aftermarket
ABSORBER ASSY
ABSORBER ASSY
€16.73
Expected delivery: May 28, 2026
Aftermarket
Seal
Seal
€11.15
Expected delivery: May 27, 2026
Aftermarket
Gear Set Mercury/Mariner 50-60 hp
Gear Set Mercury/Mariner 50-60 hp
€401.59
Expected delivery: May 28, 2026
Aftermarket
Drive Shaft
Drive Shaft
On Request
Out of Stock
Out of stock
Aftermarket
zn
Zinc Anode
Zinc Anode
€15.94
Expected delivery: May 27, 2026
Aftermarket
Cable Tie
Cable Tie
€5.58
Expected delivery: May 27, 2026
Aftermarket
Oil Seal
Oil Seal
€3.98
View Details
In stock
Aftermarket
Drive shaft bearing housing
Drive shaft bearing housing
€127.49
Expected delivery: May 29, 2026
Aftermarket
WASHER ROTARY BRACKET
WASHER ROTARY BRACKET
€2.39
Expected delivery: May 29, 2026
Aftermarket
Grommet
Grommet
€3.98
Expected delivery: May 27, 2026
Aftermarket
Reverse gear
Reverse gear
€110.76
In stock
Aftermarket
Oil Seal
Oil Seal
€18.33
Expected delivery: May 29, 2026
Aftermarket
O-ring
O-ring
€2.39
View Details
Expected delivery: Jun 1, 2026
Aftermarket
Grommet
Grommet
€4.78
In stock

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