Family-Owned • 40+ Years Experience • Authorized Mercury & Mercruiser Dealer


Lower Units & Gearcases

Lower Units & Gearcases

Lower Units & Gearcases

Shop Mercury lower units and gearcase assemblies including OEM replacement components designed for reliable outboard performance and proper fitment. Lower units and gearcases play a critical role in transferring engine power, supporting propeller operation, and maintaining smooth drivetrain performance on the water.

Gregor’s Marine carries genuine Mercury gearcase and lower unit components for a wide range of outboard applications.

Call our team at (727) 596-5929 for assistance confirming fitment.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • MERCURY OEM GC-L6 S 1.75 XL, 8M0236239

    Mercury Gear Case-L6 S 1.75 XL OEM 8M0236239

    Mercury

    MSRP: $9,121.45
    $7,753.23
    Genuine Mercury Gear Case-L6 S 1.75 XL, part number 8M0236239. Designed for use with compatible applications.
    8M0236239
    SKU:
    8M0236239
    Availability:
    Usually Ships within 24hours
    Weight:
    1,472.00 Ounces
    MSRP: $9,121.45
    $7,753.23
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $9,121.45
    $7,753.23
    Subtotal:
  • MERCURY OEM GC-L6 S 1.75 XXL, 8M0236240

    Mercury Gear Case-L6 S 1.75 XXL OEM 8M0236240

    Mercury

    MSRP: $9,121.45
    $7,753.23
    Genuine Mercury Gear Case-L6 S 1.75 XXL, part number 8M0236240. Designed for use with compatible applications.
    8M0236240
    SKU:
    8M0236240
    Availability:
    Usually Ships within 24hours
    Weight:
    1,280.00 Ounces
    MSRP: $9,121.45
    $7,753.23
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $9,121.45
    $7,753.23
    Subtotal:
  • MERCURY OEM GC-L6 S 1.85 XL, 8M0228061

    Mercury Gear Case-L6 S 1.85 XL OEM 8M0228061

    Mercury

    MSRP: $9,121.45
    $7,753.23
    Genuine Mercury Gear Case-L6 S 1.85 XL, part number 8M0228061. Designed for use with compatible applications.
    8M0228061
    SKU:
    8M0228061
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $9,121.45
    $7,753.23
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $9,121.45
    $7,753.23
    Subtotal:
  • MERCURY OEM GC-L6 S 1.85 XXL, 8M0117243

    Mercury Gear Case-L6 S 1.85 XXL OEM 8M0117243

    Mercury

    MSRP: $9,121.45
    $7,753.23
    Genuine Mercury Gear Case-L6 S 1.85 XXL, part number 8M0117243. Designed for use with compatible applications.
    8M0117243
    SKU:
    8M0117243
    Availability:
    Usually Ships within 24hours
    Weight:
    1,216.00 Ounces
    MSRP: $9,121.45
    $7,753.23
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $9,121.45
    $7,753.23
    Subtotal:
  • MERCURY OEM GC TM L 1.75, 8M0236154

    Mercury Gear Case TM L 1.75 OEM 8M0236154

    Mercury

    MSRP: $9,110.00
    $7,743.50
    Genuine Mercury Gear Case TM L 1.75, part number 8M0236154. Designed for use with compatible applications.
    8M0236154
    SKU:
    8M0236154
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $9,110.00
    $7,743.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $9,110.00
    $7,743.50
    Subtotal:
  • MERCURY OEM GC L6 S 1.75 CL, 8M0236232

    Mercury Gear Case L6 S 1.75 CL OEM 8M0236232

    Mercury

    MSRP: $9,007.15
    $7,656.08
    Genuine Mercury Gear Case L6 S 1.75 CL, part number 8M0236232. Designed for use with compatible applications.
    8M0236232
    SKU:
    8M0236232
    Availability:
    Usually Ships within 24hours
    Weight:
    1,280.00 Ounces
    MSRP: $9,007.15
    $7,656.08
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $9,007.15
    $7,656.08
    Subtotal:
  • MERCURY OEM GC L6 1.75 CXXL, 8M0236270

    Mercury Gear Case L6 1.75 CXXL OEM 8M0236270

    Mercury

    MSRP: $8,892.85
    $7,558.92
    Genuine Mercury Gear Case L6 1.75 CXXL, part number 8M0236270. Designed for use with compatible applications.
    8M0236270
    SKU:
    8M0236270
    Availability:
    Usually Ships within 24hours
    Weight:
    1,088.00 Ounces
    MSRP: $8,892.85
    $7,558.92
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $8,892.85
    $7,558.92
    Subtotal:
  • MERCURY OEM GC CXL SIL, 8M0235809

    Mercury Gear Case CXL SIL OEM 8M0235809

    Mercury

    MSRP: $8,892.85
    $7,558.92
    Genuine Mercury Gear Case CXL SIL, part number 8M0235809. Designed for use with compatible applications.
    8M0235809
    SKU:
    8M0235809
    Availability:
    Usually Ships within 24hours
    Weight:
    1,066.66 Ounces
    MSRP: $8,892.85
    $7,558.92
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $8,892.85
    $7,558.92
    Subtotal:
  • MERCURY OEM GC L6 1.75 CXL, 8M0236269

    Mercury Gear Case L6 1.75 CXL OEM 8M0236269

    Mercury

    MSRP: $8,892.85
    $7,558.92
    Genuine Mercury Gear Case L6 1.75 CXL, part number 8M0236269. Designed for use with compatible applications.
    8M0236269
    SKU:
    8M0236269
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $8,892.85
    $7,558.92
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $8,892.85
    $7,558.92
    Subtotal:
  • MERCURY OEM GC L6 1.75 CXL, 8M0236267

    Mercury Gear Case L6 1.75 CXL OEM 8M0236267

    Mercury

    MSRP: $8,892.85
    $7,558.92
    Genuine Mercury Gear Case L6 1.75 CXL, part number 8M0236267. Designed for use with compatible applications.
    8M0236267
    SKU:
    8M0236267
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $8,892.85
    $7,558.92
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $8,892.85
    $7,558.92
    Subtotal:
  • MERCURY OEM GC XL SIL, 8M0235807

    Mercury Gear Case XL SIL OEM 8M0235807

    Mercury

    MSRP: $8,892.85
    $7,558.92
    Genuine Mercury Gear Case XL SIL, part number 8M0235807. Designed for use with compatible applications.
    8M0235807
    SKU:
    8M0235807
    Availability:
    Usually Ships within 24hours
    Weight:
    1,120.00 Ounces
    MSRP: $8,892.85
    $7,558.92
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $8,892.85
    $7,558.92
    Subtotal:
  • MERCURY OEM GC L6 4S CXXL, 8M0236260

    Mercury Gear Case L6 4S CXXL OEM 8M0236260

    Mercury

    MSRP: $8,892.85
    $7,558.92
    Genuine Mercury Gear Case L6 4S CXXL, part number 8M0236260. Designed for use with compatible applications.
    8M0236260
    SKU:
    8M0236260
    Availability:
    Usually Ships within 24hours
    Weight:
    1,088.00 Ounces
    MSRP: $8,892.85
    $7,558.92
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $8,892.85
    $7,558.92
    Subtotal:
  • MERCURY OEM GC SP XL BLK, 8M0235814

    Mercury Gear Case SP XL BLK OEM 8M0235814

    Mercury

    MSRP: $8,892.85
    $7,558.92
    Genuine Mercury Gear Case SP XL BLK, part number 8M0235814. Designed for use with compatible applications.
    8M0235814
    SKU:
    8M0235814
    Availability:
    Usually Ships within 24hours
    Weight:
    1,241.98 Ounces
    MSRP: $8,892.85
    $7,558.92
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $8,892.85
    $7,558.92
    Subtotal:
  • MERCURY OEM GC-L6 S 1.75 L, 8M0236238

    Mercury Gear Case-L6 S 1.75 L OEM 8M0236238

    Mercury

    MSRP: $8,892.85
    $7,558.92
    Genuine Mercury Gear Case-L6 S 1.75 L, part number 8M0236238. Designed for use with compatible applications.
    8M0236238
    SKU:
    8M0236238
    Availability:
    Usually Ships within 24hours
    Weight:
    1,440.00 Ounces
    MSRP: $8,892.85
    $7,558.92
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $8,892.85
    $7,558.92
    Subtotal:
  • MERCURY OEM GC SP CXL BLK, 8M0235815

    Mercury Gear Case SP CXL BLK OEM 8M0235815

    Mercury

    MSRP: $8,892.85
    $7,558.92
    Genuine Mercury Gear Case SP CXL BLK, part number 8M0235815. Designed for use with compatible applications.
    8M0235815
    SKU:
    8M0235815
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $8,892.85
    $7,558.92
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $8,892.85
    $7,558.92
    Subtotal:
  • MERCURY OEM GC L6 4S CXL, 8M0236258

    Mercury Gear Case L6 4S CXL OEM 8M0236258

    Mercury

    MSRP: $8,892.85
    $7,558.92
    Genuine Mercury Gear Case L6 4S CXL, part number 8M0236258. Designed for use with compatible applications.
    8M0236258
    SKU:
    8M0236258
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $8,892.85
    $7,558.92
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $8,892.85
    $7,558.92
    Subtotal:
  • MERCURY OEM GC L SIL, 8M0235805

    Mercury Gear Case L SIL OEM 8M0235805

    Mercury

    MSRP: $8,892.85
    $7,558.92
    Genuine Mercury Gear Case L SIL, part number 8M0235805. Designed for use with compatible applications.
    8M0235805
    SKU:
    8M0235805
    Availability:
    Usually Ships within 24hours
    Weight:
    1,680.00 Ounces
    MSRP: $8,892.85
    $7,558.92
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $8,892.85
    $7,558.92
    Subtotal:
  • MERCURY OEM GC CXL BLK, 8M0235808

    Mercury Gear Case CXL BLK OEM 8M0235808

    Mercury

    MSRP: $8,892.85
    $7,558.92
    Genuine Mercury Gear Case CXL BLK, part number 8M0235808. Designed for use with compatible applications.
    8M0235808
    SKU:
    8M0235808
    Availability:
    Usually Ships within 24hours
    Weight:
    1,216.00 Ounces
    MSRP: $8,892.85
    $7,558.92
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $8,892.85
    $7,558.92
    Subtotal:
  • MERCURY OEM GC CXXL SIL, 8M0235813

    Mercury Gear Case CXXL SIL OEM 8M0235813

    Mercury

    MSRP: $8,892.85
    $7,558.92
    Genuine Mercury Gear Case CXXL SIL, part number 8M0235813. Designed for use with compatible applications.
    8M0235813
    SKU:
    8M0235813
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $8,892.85
    $7,558.92
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $8,892.85
    $7,558.92
    Subtotal:
  • MERCURY OEM GC XXL SIL, 8M0228013

    Mercury Gear Case XXL SIL OEM 8M0228013

    Mercury

    MSRP: $8,892.85
    $7,558.92
    Genuine Mercury Gear Case XXL SIL, part number 8M0228013. Designed for use with compatible applications.
    8M0228013
    SKU:
    8M0228013
    Availability:
    Usually Ships within 24hours
    Weight:
    2,880.00 Ounces
    MSRP: $8,892.85
    $7,558.92
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $8,892.85
    $7,558.92
    Subtotal:
  • Total: items /

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