Lower Units & Gearcases
Shop genuine Mercury lower units, complete gearcase assemblies, and replacement gearcase components for a variety of Mercury outboard applications. Find OEM gearcases and related components designed for proper fitment and reliable performance.
Mercury gearcase fitment can vary by engine serial number, model, shaft length, gear ratio, rotation, and application. If you're not sure which lower unit you need, visit our Lower Unit & Gearcase Guide to learn more about fitment and replacement options.
Need help confirming fitment? Have your engine serial number ready and contact our team at (727) 596-5929.
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On Sale
Mercury L6 Verado 1.85:1 Counter-Rotation X-Long Complete Gearcase 8M0236258
Mercury
MSRP: $8,892.85Now: $7,843.50Was: $8,892.85Mercury L6 Verado 1.85:1 Counter-Rotation X-Long Complete Gearcase 8M0236258 is a genuine Mercury OEM complete gearcase assembly for compatible 200-275 HP L6 Verado FourStroke outboards. This...8M0236258- SKU:
- 8M0236258
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.00 Ounces
MSRP: $8,892.85Now: $7,843.50Was: $8,892.85 -
On Sale
Mercury Gear Case L SIL OEM 8M0235805
Mercury
MSRP: $8,892.85Now: $7,843.50Was: $8,892.85Genuine Mercury Gear Case L SIL, part number 8M0235805. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 8M0142294, 8M0228010.8M0235805- SKU:
- 8M0235805
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,680.00 Ounces
MSRP: $8,892.85Now: $7,843.50Was: $8,892.85 -
On Sale
Mercury Gear Case CXL BLK OEM 8M0235808
Mercury
MSRP: $8,892.85Now: $7,843.50Was: $8,892.85Genuine Mercury Gear Case CXL BLK, part number 8M0235808. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 8M0142297.8M0235808- SKU:
- 8M0235808
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,216.00 Ounces
MSRP: $8,892.85Now: $7,843.50Was: $8,892.85 -
On Sale
Mercury Gear Case CXXL SIL OEM 8M0235813
Mercury
MSRP: $8,892.85Now: $7,843.50Was: $8,892.85Genuine Mercury Gear Case CXXL SIL, part number 8M0235813. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 8M0142302, 8M0228014.8M0235813- SKU:
- 8M0235813
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.00 Ounces
MSRP: $8,892.85Now: $7,843.50Was: $8,892.85 -
On Sale
Mercury Gear Case XXL SIL OEM 8M0228013
Mercury
MSRP: $8,892.85Now: $7,843.50Was: $8,892.85Genuine Mercury Gear Case XXL SIL, part number 8M0228013. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 8M0142299.8M0228013- SKU:
- 8M0228013
- Availability:
- Usually Ships within 24hours
- Weight:
- 2,880.00 Ounces
MSRP: $8,892.85Now: $7,843.50Was: $8,892.85 -
On Sale
Mercury Gear Case CXXL BLK OEM 8M0142301
Mercury
MSRP: $8,892.85Now: $7,843.50Was: $8,892.85Genuine Mercury Gear Case CXXL BLK, part number 8M0142301. Designed for use with compatible applications.8M0142301- SKU:
- 8M0142301
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,024.00 Ounces
MSRP: $8,892.85Now: $7,843.50Was: $8,892.85 -
On Sale
Mercury Gear Case SP L BLK OEM 8M0142303
Mercury
MSRP: $8,892.85Now: $7,843.50Was: $8,892.85Genuine Mercury Gear Case SP L BLK, part number 8M0142303. Designed for use with compatible applications.8M0142303- SKU:
- 8M0142303
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,120.00 Ounces
MSRP: $8,892.85Now: $7,843.50Was: $8,892.85 -
On Sale
Mercury Verado 1.85:1 XX-Long Complete Gearcase 8M0236286
Mercury
MSRP: $8,657.15Now: $7,635.60Was: $8,657.15Mercury Verado 1.85:1 XX-Long Complete Gearcase 8M0236286 is a genuine Mercury OEM complete gearcase assembly. This Verado gearcase has a 1.85:1 gear ratio, standard rotation, XX-Long configuration,...8M0236286- SKU:
- 8M0236286
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.00 Ounces
MSRP: $8,657.15Now: $7,635.60Was: $8,657.15 -
On Sale
Mercury Verado 1.85:1 X-Long Complete Gearcase 8M0236284
Mercury
MSRP: $8,657.15Now: $7,635.60Was: $8,657.15Mercury Verado 1.85:1 X-Long Complete Gearcase 8M0236284 is a genuine Mercury OEM complete gearcase assembly. This Verado gearcase has a 1.85:1 gear ratio, standard rotation, X-Long configuration,...8M0236284- SKU:
- 8M0236284
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,536.00 Ounces
MSRP: $8,657.15Now: $7,635.60Was: $8,657.15 -
Mercury L6 Verado 1.85:1 Long Complete Gearcase (Silver) 8M0117239
Mercury
MSRP: $8,657.15$7,358.58Mercury L6 Verado 1.85:1 Long Complete Gearcase (Silver) 8M0117239 is a genuine Mercury Marine OEM complete gear housing assembly / lower unit for the compatible applications and configuration listed...8M0117239- SKU:
- 8M0117239
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,184.00 Ounces
MSRP: $8,657.15$7,358.58 -
On Sale
Mercury L6 Verado 1.85:1 Long Complete Gearcase 8M0110254
Mercury
MSRP: $8,657.15Now: $7,635.60Was: $8,657.15Mercury Complete Gearcase 8M0110254 is an OEM replacement lower unit for select Mercury L6 Verado FourStroke outboards. This configuration features a 1.85:1 gear ratio, standard rotation,8M0110254- SKU:
- 8M0110254
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,200.00 Ounces
MSRP: $8,657.15Now: $7,635.60Was: $8,657.15 -
On Sale
Mercury Verado 1.75:1 Long Complete Gearcase 8M0078252
Mercury
MSRP: $8,657.15Now: $7,635.60Was: $8,657.15Mercury Verado 1.75:1 Long Complete Gearcase 8M0078252 is a genuine Mercury OEM complete gearcase assembly. This Verado gearcase has a 1.75:1 gear ratio, standard rotation, and Long configuration. <8M0078252- SKU:
- 8M0078252
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,200.00 Ounces
MSRP: $8,657.15Now: $7,635.60Was: $8,657.15 -
On Sale
Mercury Gear Case SM BASIC CAMB OEM 8M0168313
Mercury
MSRP: $8,505.00Now: $7,497.00Was: $8,505.00Genuine Mercury Gear Case SM BASIC CAMB, part number 8M0168313. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 8M0146135.8M0168313- SKU:
- 8M0168313
- Availability:
- Usually Ships within 24hours
- Weight:
- 672.00 Ounces
MSRP: $8,505.00Now: $7,497.00Was: $8,505.00 -
On Sale
Mercury Gear Case SM BASIC SLVR OEM 8M0168312
Mercury
MSRP: $8,310.00Now: $7,326.90Was: $8,310.00Genuine Mercury Gear Case SM BASIC SLVR, part number 8M0168312. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 8M0146134.8M0168312- SKU:
- 8M0168312
- Availability:
- Usually Ships within 24hours
- Weight:
- 672.00 Ounces
MSRP: $8,310.00Now: $7,326.90Was: $8,310.00 -
On Sale
Mercury TOOL SET-GEARCASE OEM 8M0215032
Mercury
MSRP: $8,285.99Now: $7,307.94Was: $8,285.99Genuine Mercury TOOL SET-GEARCASE, part number 8M0215032. Designed for use with compatible applications.8M0215032- SKU:
- 8M0215032
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,600.00 Ounces
MSRP: $8,285.99Now: $7,307.94Was: $8,285.99 -
On Sale
Mercury Gear Case 225 4ST XXL OEM 888680T07
Mercury
MSRP: $8,264.30Now: $7,289.10Was: $8,264.30Genuine Mercury Gear Case 225 4ST XXL, part number 888680T07. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 888680T3.888680T07- SKU:
- 888680T07
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,264.00 Ounces
MSRP: $8,264.30Now: $7,289.10Was: $8,264.30 -
On Sale
Mercury L6 Verado 1.85:1 XX-Long Complete Gearcase 8M0236259
Mercury
MSRP: $8,185.70Now: $7,219.80Was: $8,185.70Mercury L6 Verado 1.85:1 XX-Long Complete Gearcase 8M0236259 is a genuine Mercury OEM complete gearcase assembly for compatible L6 Verado FourStroke outboards. This gearcase has a 1.85:1 gear ratio,...8M0236259- SKU:
- 8M0236259
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,008.00 Ounces
MSRP: $8,185.70Now: $7,219.80Was: $8,185.70 -
On Sale
Mercury Gear Case L4 4S CXL OEM 8M0236263
Mercury
MSRP: $8,185.70Now: $7,219.80Was: $8,185.70Genuine Mercury Gear Case L4 4S CXL, part number 8M0236263. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 880686T25.8M0236263- SKU:
- 8M0236263
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,312.00 Ounces
MSRP: $8,185.70Now: $7,219.80Was: $8,185.70 -
On Sale
Mercury Gear Case L4 4S XL OEM 8M0236262
Mercury
MSRP: $8,185.70Now: $7,219.80Was: $8,185.70Genuine Mercury Gear Case L4 4S XL, part number 8M0236262. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 880686T24.8M0236262- SKU:
- 8M0236262
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,280.00 Ounces
MSRP: $8,185.70Now: $7,219.80Was: $8,185.70 -
On Sale
Mercury Gear Case XXL BLK OEM 8M0235810
Mercury
MSRP: $8,185.70Now: $7,219.80Was: $8,185.70Genuine Mercury Gear Case XXL BLK, part number 8M0235810. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 8M0142300.8M0235810- SKU:
- 8M0235810
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,056.00 Ounces
MSRP: $8,185.70Now: $7,219.80Was: $8,185.70
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