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 HOUSING OEM 8M8027373
Mercury
MSRP: $11,630.00Now: $10,256.40Was: $11,630.00Genuine Mercury GEAR HOUSING, part number 8M8027373. Designed for use with compatible applications.8M8027373- SKU:
- 8M8027373
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.00 Ounces
MSRP: $11,630.00Now: $10,256.40Was: $11,630.00Qty in Cart: 0Quantity:Price:MSRP: $11,630.00Now: $10,256.40Was: $11,630.00Subtotal: -
On Sale
Mercury GEAR HOUSING OEM 842004T17
Mercury
MSRP: $11,625.00Now: $10,250.10Was: $11,625.00Genuine Mercury GEAR HOUSING, part number 842004T17. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 859399T36, 859399T44.842004T17- SKU:
- 842004T17
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,040.00 Ounces
MSRP: $11,625.00Now: $10,250.10Was: $11,625.00Qty in Cart: 0Quantity:Price:MSRP: $11,625.00Now: $10,250.10Was: $11,625.00Subtotal: -
On Sale
Mercury Gear Case DSI CXL 2.08 OEM 8M0236187
Mercury
MSRP: $11,495.00Now: $10,136.70Was: $11,495.00Genuine Mercury Gear Case DSI CXL 2.08, part number 8M0236187. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 842004T25.8M0236187- SKU:
- 8M0236187
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.00 Ounces
MSRP: $11,495.00Now: $10,136.70Was: $11,495.00Qty in Cart: 0Quantity:Price:MSRP: $11,495.00Now: $10,136.70Was: $11,495.00Subtotal: -
On Sale
Mercury 250-400 HP L6 Verado 1.75:1 XXL Complete Gearcase 8M0236244
Mercury
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Mercury Complete Gearcase 8M0236244 is a genuine Mercury OEM replacement lower unit for select L6 Verado outboards. This assembly is the cambered, standard-rotation, XX-Long configuration with a8M0236244- SKU:
- 8M0236244
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.00 Ounces
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Qty in Cart: 0Quantity:Price:MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Subtotal: -
On Sale
Mercury Gear Case TM2 1.75 SILVR OEM 8M0236245
Mercury
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Genuine Mercury Gear Case TM2 1.75 SILVR, part number 8M0236245. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 8M0075782, 8M0228610.8M0236245- SKU:
- 8M0236245
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,344.00 Ounces
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Qty in Cart: 0Quantity:Price:MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Subtotal: -
On Sale
Mercury L6 Verado 1.75:1 Counter-Rotation XX-Long Complete Gearcase 8M0236230
Mercury
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Mercury L6 Verado 1.75:1 Counter-Rotation XX-Long Complete Gearcase 8M0236230 is a genuine Mercury OEM complete gearcase assembly. This L6 Verado gearcase has a 1.75:1 gear ratio, counter rotation,...8M0236230- SKU:
- 8M0236230
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,264.00 Ounces
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Qty in Cart: 0Quantity:Price:MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Subtotal: -
On Sale
Mercury Gear Case CXL SP BLK OEM 8M0235828
Mercury
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Genuine Mercury Gear Case CXL SP BLK, part number 8M0235828. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 8M0142320.8M0235828- SKU:
- 8M0235828
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,200.00 Ounces
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Qty in Cart: 0Quantity:Price:MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Subtotal: -
On Sale
Mercury L6 Verado 1.75:1 Counter-Rotation Long Complete Gearcase 8M0236228
Mercury
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Mercury L6 Verado 1.75:1 Counter-Rotation Long Complete Gearcase 8M0236228 is a genuine Mercury OEM complete gearcase assembly. This L6 Verado gearcase has a 1.75:1 gear ratio, counter rotation,...8M0236228- SKU:
- 8M0236228
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.00 Ounces
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Qty in Cart: 0Quantity:Price:MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Subtotal: -
On Sale
Mercury Gear Case XL SILV CAMBER OEM 8M0235848
Mercury
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Genuine Mercury Gear Case XL SILV CAMBER, part number 8M0235848. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 8M0142337, 8M0228035.8M0235848- SKU:
- 8M0235848
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.00 Ounces
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Qty in Cart: 0Quantity:Price:MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Subtotal: -
On Sale
Mercury Gear Case XXL SP BLK OEM 8M0235831
Mercury
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Genuine Mercury Gear Case XXL SP BLK, part number 8M0235831. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 8M0142321.8M0235831- SKU:
- 8M0235831
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.00 Ounces
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Qty in Cart: 0Quantity:Price:MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Subtotal: -
On Sale
Mercury Gear Case SP CXXL SILV OEM 8M0235845
Mercury
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Genuine Mercury Gear Case SP CXXL SILV, part number 8M0235845. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 8M0142334, 8M0228032.8M0235845- SKU:
- 8M0235845
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,232.00 Ounces
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Qty in Cart: 0Quantity:Price:MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Subtotal: -
On Sale
Mercury Gear Case XL SP BLK OEM 8M0235827
Mercury
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Genuine Mercury Gear Case XL SP BLK, part number 8M0235827. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 8M0142319.8M0235827- SKU:
- 8M0235827
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.00 Ounces
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Qty in Cart: 0Quantity:Price:MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Subtotal: -
On Sale
Mercury Gear Case CXL SIL CAMBER OEM 8M0235849
Mercury
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Genuine Mercury Gear Case CXL SIL CAMBER, part number 8M0235849. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 8M0142338, 8M0228036.8M0235849- SKU:
- 8M0235849
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,840.00 Ounces
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Qty in Cart: 0Quantity:Price:MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Subtotal: -
On Sale
Mercury Gear Case SP XL SILV OEM 8M0235842
Mercury
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Genuine Mercury Gear Case SP XL SILV, part number 8M0235842. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 8M0142331, 8M0228029.8M0235842- SKU:
- 8M0235842
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.00 Ounces
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Qty in Cart: 0Quantity:Price:MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Subtotal: -
On Sale
Mercury Gear Case SP CXL SILV OEM 8M0235843
Mercury
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Genuine Mercury Gear Case SP CXL SILV, part number 8M0235843. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 8M0142332, 8M0228030.8M0235843- SKU:
- 8M0235843
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.00 Ounces
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Qty in Cart: 0Quantity:Price:MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Subtotal: -
On Sale
Mercury Verado 1.75:1 X-Long Complete Gearcase 8M0236243
Mercury
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Mercury Verado 1.75:1 X-Long Complete Gearcase 8M0236243 is a genuine Mercury OEM complete gearcase assembly for compatible L6 Verado outboards. This standard-rotation gearcase has a 1.75:1 gear...8M0236243- SKU:
- 8M0236243
- Availability:
- Usually Ships within 24hours
- Weight:
- 2,000.00 Ounces
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Qty in Cart: 0Quantity:Price:MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Subtotal: -
On Sale
Mercury Gear Case CXXL SP BLK OEM 8M0235832
Mercury
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Genuine Mercury Gear Case CXXL SP BLK, part number 8M0235832. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 8M0142322.8M0235832- SKU:
- 8M0235832
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,872.00 Ounces
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Qty in Cart: 0Quantity:Price:MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Subtotal: -
On Sale
Mercury Gear Case TM 1.75L SLVR OEM 8M0236271
Mercury
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Genuine Mercury Gear Case TM 1.75L SLVR, part number 8M0236271. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 8M0072952.8M0236271- SKU:
- 8M0236271
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,152.00 Ounces
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Qty in Cart: 0Quantity:Price:MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Subtotal: -
On Sale
Mercury Gear Case CXXL SLV CMBR OEM 8M0235851
Mercury
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Genuine Mercury Gear Case CXXL SLV CMBR, part number 8M0235851. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 8M0142340, 8M0228038.8M0235851- SKU:
- 8M0235851
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,248.00 Ounces
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Qty in Cart: 0Quantity:Price:MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Subtotal: -
On Sale
Mercury Gear Case XXL SIL CAMBER OEM 8M0235850
Mercury
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Genuine Mercury Gear Case XXL SIL CAMBER, part number 8M0235850. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 8M0142339, 8M0228037.8M0235850- SKU:
- 8M0235850
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,328.00 Ounces
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Qty in Cart: 0Quantity:Price:MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Subtotal:
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