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 CPO GC VERCXL5.44, 8M0235771

    Mercury CPO Gear Case VERCXL5.44 OEM 8M0235771

    Mercury

    MSRP: $3,243.75
    $2,757.19
    Genuine Mercury CPO Gear Case VERCXL5.44, part number 8M0235771. Designed for use with compatible applications.
    8M0235771
    SKU:
    8M0235771
    Availability:
    Usually Ships within 24hours
    Weight:
    1,200.00 Ounces
    MSRP: $3,243.75
    $2,757.19
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,243.75
    $2,757.19
    Subtotal:
  • MERCURY OEM GC BASIC SIL LH, 8M0228049

    Mercury Gear Case BASIC SIL LH OEM 8M0228049

    Mercury

    MSRP: $3,203.99
    $2,723.39
    Genuine Mercury Gear Case BASIC SIL LH, part number 8M0228049. Designed for use with compatible applications.
    8M0228049
    SKU:
    8M0228049
    Availability:
    Usually Ships within 24hours
    Weight:
    576.00 Ounces
    MSRP: $3,203.99
    $2,723.39
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,203.99
    $2,723.39
    Subtotal:
  • MERCURY OEM GC VER BASIC SILV, 8M0228073

    Mercury Gear Case VER BASIC SILV OEM 8M0228073

    Mercury

    MSRP: $3,203.99
    $2,723.39
    Genuine Mercury Gear Case VER BASIC SILV, part number 8M0228073. Designed for use with compatible applications.
    8M0228073
    SKU:
    8M0228073
    Availability:
    Usually Ships within 24hours
    Weight:
    576.00 Ounces
    MSRP: $3,203.99
    $2,723.39
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,203.99
    $2,723.39
    Subtotal:
  • MERCURY OEM GC BASIC LH BLACK, 8M0117275

    Mercury Gear Case BASIC LH BLACK OEM 8M0117275

    Mercury

    MSRP: $3,203.99
    $2,723.39
    Genuine Mercury Gear Case BASIC LH BLACK, part number 8M0117275. Designed for use with compatible applications.
    8M0117275
    SKU:
    8M0117275
    Availability:
    Usually Ships within 24hours
    Weight:
    576.00 Ounces
    MSRP: $3,203.99
    $2,723.39
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,203.99
    $2,723.39
    Subtotal:
  • MERCURY OEM GC BASIC BLACK, 8M0117262

    Mercury Gear Case BASIC BLACK OEM 8M0117262

    Mercury

    MSRP: $3,203.99
    $2,723.39
    Genuine Mercury Gear Case BASIC BLACK, part number 8M0117262. Designed for use with compatible applications.
    8M0117262
    SKU:
    8M0117262
    Availability:
    Usually Ships within 24hours
    Weight:
    592.00 Ounces
    MSRP: $3,203.99
    $2,723.39
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,203.99
    $2,723.39
    Subtotal:
  • MERCURY OEM GC BASIC BLACK, 8M0117258

    Mercury Gear Case BASIC BLACK OEM 8M0117258

    Mercury

    MSRP: $3,203.99
    $2,723.39
    Genuine Mercury Gear Case BASIC BLACK, part number 8M0117258. Designed for use with compatible applications.
    8M0117258
    SKU:
    8M0117258
    Availability:
    Usually Ships within 24hours
    Weight:
    592.00 Ounces
    MSRP: $3,203.99
    $2,723.39
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,203.99
    $2,723.39
    Subtotal:
  • MERCURY OEM GC 100-125 LB BLK, 9011J16

    Mercury Gear Case 100-125 LB BLK OEM 9011J16

    Mercury

    MSRP: $3,185.70
    $2,707.85
    Genuine Mercury Gear Case 100-125 LB BLK, part number 9011J16. Designed for use with compatible applications.
    9011J16
    SKU:
    9011J16
    Availability:
    Usually Ships within 24hours
    Weight:
    1,024.00 Ounces
    MSRP: $3,185.70
    $2,707.85
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,185.70
    $2,707.85
    Subtotal:
  • MERCURY OEM GC 100-125 LG BLK, 9011J7

    Mercury Gear Case 100-125 LG BLK OEM 9011J7

    Mercury

    MSRP: $3,185.70
    $2,707.85
    Genuine Mercury Gear Case 100-125 LG BLK, part number 9011J7. Designed for use with compatible applications.
    9011J7
    SKU:
    9011J7
    Availability:
    Usually Ships within 24hours
    Weight:
    1,024.00 Ounces
    MSRP: $3,185.70
    $2,707.85
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,185.70
    $2,707.85
    Subtotal:
  • MERCURY OEM GC 75-115- 4S LG, 888845T08

    Mercury Gear Case 75-115- 4S LG OEM 888845T08

    Mercury

    MSRP: $3,185.70
    $2,707.85
    Genuine 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: $3,185.70
    $2,707.85
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,185.70
    $2,707.85
    Subtotal:
  • MERCURY OEM GC 75-115 4S LG, 888845T06

    Mercury Gear Case 75-115 4S LG OEM 888845T06

    Mercury

    MSRP: $3,185.70
    $2,707.85
    Genuine Mercury Gear Case 75-115 4S LG, part number 888845T06. Designed for use with compatible applications.
    888845T06
    SKU:
    888845T06
    Availability:
    Usually Ships within 24hours
    Weight:
    1,088.00 Ounces
    MSRP: $3,185.70
    $2,707.85
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,185.70
    $2,707.85
    Subtotal:
  • MERCURY OEM GC 90 DFI XL, 9011J39

    Mercury Gear Case 90 DFI XL OEM 9011J39

    Mercury

    MSRP: $3,185.70
    $2,707.85
    Genuine Mercury Gear Case 90 DFI XL, part number 9011J39. Designed for use with compatible applications.
    9011J39
    SKU:
    9011J39
    Availability:
    Usually Ships within 24hours
    Weight:
    1,024.00 Ounces
    MSRP: $3,185.70
    $2,707.85
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,185.70
    $2,707.85
    Subtotal:
  • MERCURY OEM GC 90 DFI LG, 9011J37

    Mercury Gear Case 90 DFI LG OEM 9011J37

    Mercury

    MSRP: $3,185.70
    $2,707.85
    Genuine Mercury Gear Case 90 DFI LG, part number 9011J37. Designed for use with compatible applications.
    9011J37
    SKU:
    9011J37
    Availability:
    Usually Ships within 24hours
    Weight:
    912.00 Ounces
    MSRP: $3,185.70
    $2,707.85
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,185.70
    $2,707.85
    Subtotal:
  • MERCURY OEM GC XL BLK 2.07, 9011J35

    Mercury Gear Case XL BLK 2.07 OEM 9011J35

    Mercury

    MSRP: $3,185.70
    $2,707.85
    Genuine 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: $3,185.70
    $2,707.85
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,185.70
    $2,707.85
    Subtotal:
  • MERCURY OEM GC 75-115 DFI LG, 9011J33

    Mercury Gear Case 75-115 DFI LG OEM 9011J33

    Mercury

    MSRP: $3,185.70
    $2,707.85
    Genuine Mercury Gear Case 75-115 DFI LG, part number 9011J33. Designed for use with compatible applications.
    9011J33
    SKU:
    9011J33
    Availability:
    Usually Ships within 24hours
    Weight:
    1,008.00 Ounces
    MSRP: $3,185.70
    $2,707.85
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,185.70
    $2,707.85
    Subtotal:
  • MERCURY OEM GC 115 4S XL 2.07, 888845T02

    Mercury Gear Case 115 4S XL 2.07 OEM 888845T02

    Mercury

    MSRP: $3,185.70
    $2,707.85
    Genuine Mercury Gear Case 115 4S XL 2.07, part number 888845T02. Designed for use with compatible applications.
    888845T02
    SKU:
    888845T02
    Availability:
    Usually Ships within 24hours
    Weight:
    1,008.00 Ounces
    MSRP: $3,185.70
    $2,707.85
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,185.70
    $2,707.85
    Subtotal:
  • MERCURY OEM GC 115 4S LG 2.07, 888845T01

    Mercury Gear Case 115 4S LG 2.07 OEM 888845T01

    Mercury

    MSRP: $3,185.70
    $2,707.85
    Genuine Mercury Gear Case 115 4S LG 2.07, part number 888845T01. Designed for use with compatible applications.
    888845T01
    SKU:
    888845T01
    Availability:
    Usually Ships within 24hours
    Weight:
    976.00 Ounces
    MSRP: $3,185.70
    $2,707.85
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,185.70
    $2,707.85
    Subtotal:
  • MERCURY OEM GC 75-115 4S XL, 888845T04

    Mercury Gear Case 75-115 4S XL OEM 888845T04

    Mercury

    MSRP: $3,185.70
    $2,707.85
    Genuine Mercury Gear Case 75-115 4S XL, part number 888845T04. Designed for use with compatible applications.
    888845T04
    SKU:
    888845T04
    Availability:
    Usually Ships within 24hours
    Weight:
    1,008.00 Ounces
    MSRP: $3,185.70
    $2,707.85
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,185.70
    $2,707.85
    Subtotal:
  • MERCURY OEM GC 75-90 4S LG, 888845T03

    Mercury Gear Case 75-90 4S LG OEM 888845T03

    Mercury

    MSRP: $3,185.70
    $2,707.85
    Genuine 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: $3,185.70
    $2,707.85
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,185.70
    $2,707.85
    Subtotal:
  • MERCURY OEM GC LG BLK 2.33, 9011J29

    Mercury Gear Case LG BLK 2.33 OEM 9011J29

    Mercury

    MSRP: $3,185.70
    $2,707.85
    Genuine 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: $3,185.70
    $2,707.85
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,185.70
    $2,707.85
    Subtotal:
  • MERCURY OEM GC 115 4S LG 2.07, 9011J2

    Mercury Gear Case 115 4S LG 2.07 OEM 9011J2

    Mercury

    MSRP: $3,185.70
    $2,707.85
    Genuine Mercury Gear Case 115 4S LG 2.07, part number 9011J2. Designed for use with compatible applications.
    9011J2
    SKU:
    9011J2
    Availability:
    Usually Ships within 24hours
    Weight:
    992.00 Ounces
    MSRP: $3,185.70
    $2,707.85
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,185.70
    $2,707.85
    Subtotal:
  • Total: items /

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