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 Gear Case BASIC SIL LH OEM 8M0228049
Mercury
MSRP: $3,203.99Now: $2,825.87Was: $3,203.99Genuine Mercury Gear Case BASIC SIL LH, part number 8M0228049. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 8M0110363, 8M0117282.8M0228049- SKU:
- 8M0228049
- Availability:
- Usually Ships within 24hours
- Weight:
- 576.00 Ounces
MSRP: $3,203.99Now: $2,825.87Was: $3,203.99 -
On Sale
Mercury Verado Basic Standard-Rotation Gearcase (Silver) 8M0228073
Mercury
MSRP: $3,203.99Now: $2,825.87Was: $3,203.99Mercury Verado Basic Standard-Rotation Gearcase 8M0228073 is a genuine Mercury OEM basic gearcase assembly for compatible Verado applications. This gearcase features a cambered, standard-rotation...8M0228073- SKU:
- 8M0228073
- Availability:
- Usually Ships within 24hours
- Weight:
- 576.00 Ounces
MSRP: $3,203.99Now: $2,825.87Was: $3,203.99 -
On Sale
Mercury Gear Case BASIC LH BLACK OEM 8M0117275
Mercury
MSRP: $3,203.99Now: $2,825.87Was: $3,203.99Genuine Mercury Gear Case BASIC LH BLACK, part number 8M0117275. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 8M0110355.8M0117275- SKU:
- 8M0117275
- Availability:
- Usually Ships within 24hours
- Weight:
- 576.00 Ounces
MSRP: $3,203.99Now: $2,825.87Was: $3,203.99 -
On Sale
Mercury Gear Case BASIC BLACK OEM 8M0117262
Mercury
MSRP: $3,203.99Now: $2,825.87Was: $3,203.99Genuine Mercury Gear Case BASIC BLACK, part number 8M0117262. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 8M0110365.8M0117262- SKU:
- 8M0117262
- Availability:
- Usually Ships within 24hours
- Weight:
- 592.00 Ounces
MSRP: $3,203.99Now: $2,825.87Was: $3,203.99 -
On Sale
Mercury Gear Case BASIC BLACK OEM 8M0117258
Mercury
MSRP: $3,203.99Now: $2,825.87Was: $3,203.99Genuine Mercury Gear Case BASIC BLACK, part number 8M0117258. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 8M0053108.8M0117258- SKU:
- 8M0117258
- Availability:
- Usually Ships within 24hours
- Weight:
- 592.00 Ounces
MSRP: $3,203.99Now: $2,825.87Was: $3,203.99 -
On Sale
Mercury Gear Case 100-125 LB BLK OEM 9011J16
Mercury
MSRP: $3,185.70Now: $2,809.80Was: $3,185.70Genuine Mercury Gear Case 100-125 LB BLK, part number 9011J16. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 9011A58, 9011A7, 9011A75, 9011G33.9011J16- SKU:
- 9011J16
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,024.00 Ounces
MSRP: $3,185.70Now: $2,809.80Was: $3,185.70 -
On Sale
Mercury 100-125 HP Long Complete Gearcase (Black) 9011J7
Mercury
MSRP: $3,185.70Now: $2,809.80Was: $3,185.70Mercury Complete Gearcase 9011J7 is a genuine OEM replacement gearcase for compatible Mercury 100-125 HP outboards. This configuration features standard rotation, Long shaft length, and a Black...9011J7- SKU:
- 9011J7
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,024.00 Ounces
MSRP: $3,185.70Now: $2,809.80Was: $3,185.70 -
On Sale
Mercury 65-115 HP X-Long Complete Gearcase 8M0088074
Mercury
MSRP: $3,185.70Now: $2,809.80Was: $3,185.70Mercury Complete Gearcase 8M0088074 is a genuine Mercury OEM replacement lower unit for select 65-115 HP EFI FourStroke outboards. This assembly features a 2.07:1 gear ratio, standard rot8M0088074- SKU:
- 8M0088074
- Availability:
- Usually Ships within 24hours
- Weight:
- 976.00 Ounces
MSRP: $3,185.70Now: $2,809.80Was: $3,185.70 -
On Sale
Mercury Gear Case 75-115- 4S LG OEM 888845T08
Mercury
MSRP: $3,185.70Now: $2,809.80Was: $3,185.70Genuine Mercury Gear Case 75-115- 4S LG, part number 888845T08. Designed for use with compatible applications.888845T08- SKU:
- 888845T08
- Availability:
- Usually Ships within 24hours
- Weight:
- 992.00 Ounces
MSRP: $3,185.70Now: $2,809.80Was: $3,185.70 -
On Sale
Mercury 75-115 HP FourStroke 2.07:1 Long Complete Gearcase 888845T06
Mercury
MSRP: $3,185.70Now: $2,809.80Was: $3,185.70Mercury Complete Gearcase 888845T06 is a genuine OEM replacement gearcase for compatible Mercury 75-115 HP EFI FourStroke outboards. This configuration features a 2.07:1 gear ratio and Long 20-inch...888845T06- SKU:
- 888845T06
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,088.00 Ounces
MSRP: $3,185.70Now: $2,809.80Was: $3,185.70 -
On Sale
Mercury 75-90 HP OptiMax 2.33:1 X-Long Complete Gearcase 9011J39
Mercury
MSRP: $3,185.70Now: $2,809.80Was: $3,185.70Mercury Complete Gearcase 9011J39 is a genuine OEM replacement gearcase for compatible Mercury 75 and 90 HP OptiMax direct fuel injected outboards. This configuration features a 2.33:1 gear ratio,...9011J39- SKU:
- 9011J39
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,024.00 Ounces
MSRP: $3,185.70Now: $2,809.80Was: $3,185.70 -
On Sale
Mercury 75-90 HP OptiMax 2.33:1 Long Complete Gearcase 9011J37
Mercury
MSRP: $3,185.70Now: $2,809.80Was: $3,185.70Mercury Complete Gearcase 9011J37 is a genuine OEM replacement gearcase for compatible Mercury 75 and 90 HP OptiMax direct fuel injected outboards. This configuration features a 2.33:1 gear ratio,...9011J37- SKU:
- 9011J37
- Availability:
- Usually Ships within 24hours
- Weight:
- 912.00 Ounces
MSRP: $3,185.70Now: $2,809.80Was: $3,185.70 -
On Sale
Mercury Gear Case XL BLK 2.07 OEM 9011J35
Mercury
MSRP: $3,185.70Now: $2,809.80Was: $3,185.70Genuine Mercury Gear Case XL BLK 2.07, part number 9011J35. Designed for use with compatible applications.9011J35- SKU:
- 9011J35
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,024.00 Ounces
MSRP: $3,185.70Now: $2,809.80Was: $3,185.70 -
On Sale
Mercury 75-115 HP OptiMax DFI Long Complete Gearcase 9011J33
Mercury
MSRP: $3,185.70Now: $2,809.80Was: $3,185.70Mercury Complete Gearcase 9011J33 is a genuine OEM replacement gearcase for compatible Mercury 75-115 HP OptiMax direct fuel injected outboards. This configuration features standard rotation and a...9011J33- SKU:
- 9011J33
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,008.00 Ounces
MSRP: $3,185.70Now: $2,809.80Was: $3,185.70 -
On Sale
Mercury 115 HP FourStroke 2.07:1 X-Long Complete Gearcase 888845T02
Mercury
MSRP: $3,185.70Now: $2,809.80Was: $3,185.70Mercury Complete Gearcase 888845T02 is a genuine OEM replacement gearcase for compatible Mercury 115 HP 4-cylinder FourStroke outboards. This configuration features a 2.07:1 gear ratio, X-Long...888845T02- SKU:
- 888845T02
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,008.00 Ounces
MSRP: $3,185.70Now: $2,809.80Was: $3,185.70 -
On Sale
Mercury 115 HP FourStroke 2.07:1 Long Complete Gearcase 888845T01
Mercury
MSRP: $3,185.70Now: $2,809.80Was: $3,185.70Mercury Complete Gearcase 888845T01 is a genuine OEM replacement gearcase for compatible Mercury 115 HP 4-cylinder FourStroke outboards. This configuration features a 2.07:1 gear ratio, standard...888845T01- SKU:
- 888845T01
- Availability:
- Usually Ships within 24hours
- Weight:
- 976.00 Ounces
MSRP: $3,185.70Now: $2,809.80Was: $3,185.70 -
On Sale
Mercury 75-115 HP FourStroke 2.33:1 X-Long Complete Gearcase 888845T04
Mercury
MSRP: $3,185.70Now: $2,809.80Was: $3,185.70Mercury Complete Gearcase 888845T04 is a genuine OEM replacement gearcase for compatible Mercury 75-115 HP 4-cylinder FourStroke outboards. This configuration features a 2.33:1 gear ratio, X-Long...888845T04- SKU:
- 888845T04
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,008.00 Ounces
MSRP: $3,185.70Now: $2,809.80Was: $3,185.70 -
On Sale
Mercury Gear Case 75-90 4S LG OEM 888845T03
Mercury
MSRP: $3,185.70Now: $2,809.80Was: $3,185.70Genuine Mercury Gear Case 75-90 4S LG, part number 888845T03. Designed for use with compatible applications.888845T03- SKU:
- 888845T03
- Availability:
- Usually Ships within 24hours
- Weight:
- 976.00 Ounces
MSRP: $3,185.70Now: $2,809.80Was: $3,185.70 -
On Sale
Mercury Gear Case LG BLK 2.33 OEM 9011J29
Mercury
MSRP: $3,185.70Now: $2,809.80Was: $3,185.70Genuine Mercury Gear Case LG BLK 2.33, part number 9011J29. Designed for use with compatible applications.9011J29- SKU:
- 9011J29
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,008.00 Ounces
MSRP: $3,185.70Now: $2,809.80Was: $3,185.70 -
On Sale
Mercury Gear Case 115 4S LG 2.07 OEM 9011J2
Mercury
MSRP: $3,185.70Now: $2,809.80Was: $3,185.70Genuine Mercury Gear Case 115 4S LG 2.07, part number 9011J2. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 9011G67.9011J2- SKU:
- 9011J2
- Availability:
- Usually Ships within 24hours
- Weight:
- 992.00 Ounces
MSRP: $3,185.70Now: $2,809.80Was: $3,185.70
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