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 BRAVO I -BASIC, 8866A64

    Mercury Gear Case BRAVO I -BASIC OEM 8866A64

    Mercury

    MSRP: $3,636.93
    $3,091.39
    Genuine Mercury Gear Case BRAVO I -BASIC, part number 8866A64. Designed for use with compatible applications.
    8866A64
    SKU:
    8866A64
    Availability:
    Usually Ships within 24hours
    Weight:
    556.80 Ounces
    MSRP: $3,636.93
    $3,091.39
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,636.93
    $3,091.39
    Subtotal:
  • MERCURY OEM CPO GC 1.75 LG, 8M0119636

    Mercury CPO Gear Case 1.75 LG OEM 8M0119636

    Mercury

    MSRP: $3,618.75
    $3,075.94
    Genuine Mercury CPO Gear Case 1.75 LG, part number 8M0119636. Designed for use with compatible applications.
    8M0119636
    SKU:
    8M0119636
    Availability:
    Usually Ships within 24hours
    Weight:
    1,616.00 Ounces
    MSRP: $3,618.75
    $3,075.94
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,618.75
    $3,075.94
    Subtotal:
  • MERCURY OEM CPO GC 1.62RH, 8M0119639

    Mercury CPO Gear Case 1.62RH OEM 8M0119639

    Mercury

    MSRP: $3,618.75
    $3,075.94
    Genuine Mercury CPO Gear Case 1.62RH, part number 8M0119639. Designed for use with compatible applications.
    8M0119639
    SKU:
    8M0119639
    Availability:
    Usually Ships within 24hours
    Weight:
    1,600.00 Ounces
    MSRP: $3,618.75
    $3,075.94
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,618.75
    $3,075.94
    Subtotal:
  • MERCURY OEM GEAR HOUSING, 827214T25

    Mercury GEAR HOUSING OEM 827214T25

    Mercury

    MSRP: $3,603.32
    $3,062.82
    Genuine Mercury GEAR HOUSING, part number 827214T25. Designed for use with compatible applications.
    827214T25
    SKU:
    827214T25
    Availability:
    Usually Ships within 24hours
    Weight:
    385.60 Ounces
    MSRP: $3,603.32
    $3,062.82
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,603.32
    $3,062.82
    Subtotal:
  • MERCURY OEM GC BASIC BLACK, 8M0142872

    Mercury Gear Case BASIC BLACK OEM 8M0142872

    Mercury

    MSRP: $3,595.49
    $3,056.17
    Genuine Mercury Gear Case BASIC BLACK, part number 8M0142872. Designed for use with compatible applications.
    8M0142872
    SKU:
    8M0142872
    Availability:
    Usually Ships within 24hours
    Weight:
    512.00 Ounces
    MSRP: $3,595.49
    $3,056.17
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,595.49
    $3,056.17
    Subtotal:
  • MERCURY OEM SPACER- 10 IN GC, 8M0177569

    Mercury SPACER- 10 IN Gear Case OEM 8M0177569

    Mercury

    MSRP: $3,508.49
    $2,982.22
    Genuine Mercury SPACER- 10 IN Gear Case, part number 8M0177569. Designed for use with compatible applications.
    8M0177569
    SKU:
    8M0177569
    Availability:
    Usually Ships within 24hours
    Weight:
    832.00 Ounces
    MSRP: $3,508.49
    $2,982.22
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,508.49
    $2,982.22
    Subtotal:
  • MERCURY OEM CPO GC V6-1.85-CX, 8M0235782

    Mercury CPO Gear Case V6-1.85-CX OEM 8M0235782

    Mercury

    MSRP: $3,493.75
    $2,969.69
    Genuine Mercury CPO Gear Case V6-1.85-CX, part number 8M0235782. Designed for use with compatible applications.
    8M0235782
    SKU:
    8M0235782
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $3,493.75
    $2,969.69
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,493.75
    $2,969.69
    Subtotal:
  • MERCURY OEM CPO GC V6-1.85-XL, 8M0235778

    Mercury CPO Gear Case V6-1.85-XL OEM 8M0235778

    Mercury

    MSRP: $3,493.75
    $2,969.69
    Genuine Mercury CPO Gear Case V6-1.85-XL, part number 8M0235778. Designed for use with compatible applications.
    8M0235778
    SKU:
    8M0235778
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $3,493.75
    $2,969.69
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,493.75
    $2,969.69
    Subtotal:
  • MERCURY OEM CPO GC V6-1.85-XX, 8M0235787

    Mercury CPO Gear Case V6-1.85-XX OEM 8M0235787

    Mercury

    MSRP: $3,493.75
    $2,969.69
    Genuine Mercury CPO Gear Case V6-1.85-XX, part number 8M0235787. Designed for use with compatible applications.
    8M0235787
    SKU:
    8M0235787
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $3,493.75
    $2,969.69
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,493.75
    $2,969.69
    Subtotal:
  • MERCURY OEM GC BR II SC-BASIC, 8294J00

    Mercury Gear Case BR II SC-BASIC OEM 8294J00

    Mercury

    MSRP: $3,449.79
    $2,932.32
    Genuine Mercury Gear Case BR II SC-BASIC, part number 8294J00. Designed for use with compatible applications.
    8294J00
    SKU:
    8294J00
    Availability:
    Usually Ships within 24hours
    Weight:
    592.00 Ounces
    MSRP: $3,449.79
    $2,932.32
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,449.79
    $2,932.32
    Subtotal:
  • MERCURY OEM GC COMP 3.0L XL, 8M0236242

    Mercury Gear Case COMP 3.0L XL OEM 8M0236242

    Mercury

    MSRP: $3,414.30
    $2,902.16
    Genuine Mercury Gear Case COMP 3.0L XL, part number 8M0236242. Designed for use with compatible applications.
    8M0236242
    SKU:
    8M0236242
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $3,414.30
    $2,902.16
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,414.30
    $2,902.16
    Subtotal:
  • MERCURY OEM GC COMP 3.0L LG, 8M0236231

    Mercury Gear Case COMP 3.0L LG OEM 8M0236231

    Mercury

    MSRP: $3,414.30
    $2,902.16
    Genuine Mercury Gear Case COMP 3.0L LG, part number 8M0236231. Designed for use with compatible applications.
    8M0236231
    SKU:
    8M0236231
    Availability:
    Usually Ships within 24hours
    Weight:
    1,056.00 Ounces
    MSRP: $3,414.30
    $2,902.16
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,414.30
    $2,902.16
    Subtotal:
  • MERCURY OEM GC 3.0L XXL BLK, 859399T15

    Mercury Gear Case 3.0L XXL BLK OEM 859399T15

    Mercury

    MSRP: $3,414.30
    $2,902.16
    Genuine Mercury Gear Case 3.0L XXL BLK, part number 859399T15. Designed for use with compatible applications.
    859399T15
    SKU:
    859399T15
    Availability:
    Usually Ships within 24hours
    Weight:
    960.00 Ounces
    MSRP: $3,414.30
    $2,902.16
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,414.30
    $2,902.16
    Subtotal:
  • MERCURY OEM GC BRAVO I -BASIC, 8866A11

    Mercury Gear Case BRAVO I -BASIC OEM 8866A11

    Mercury

    MSRP: $3,355.14
    $2,851.87
    Genuine Mercury Gear Case BRAVO I -BASIC, part number 8866A11. Designed for use with compatible applications.
    8866A11
    SKU:
    8866A11
    Availability:
    Usually Ships within 24hours
    Weight:
    560.00 Ounces
    MSRP: $3,355.14
    $2,851.87
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,355.14
    $2,851.87
    Subtotal:
  • MERCURY OEM GC 5.44 BASIC WHT, 8M0176877

    Mercury Gear Case 5.44 BASIC WHT OEM 8M0176877

    Mercury

    MSRP: $3,345.00
    $2,843.25
    Genuine Mercury Gear Case 5.44 BASIC WHT, part number 8M0176877. Designed for use with compatible applications.
    8M0176877
    SKU:
    8M0176877
    Availability:
    Usually Ships within 24hours
    Weight:
    560.00 Ounces
    MSRP: $3,345.00
    $2,843.25
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,345.00
    $2,843.25
    Subtotal:
  • MERCURY OEM GC 5.44 CMB BAS W, 8M0176879

    Mercury Gear Case 5.44 CMB BAS W OEM 8M0176879

    Mercury

    MSRP: $3,345.00
    $2,843.25
    Genuine Mercury Gear Case 5.44 CMB BAS W, part number 8M0176879. Designed for use with compatible applications.
    8M0176879
    SKU:
    8M0176879
    Availability:
    Usually Ships within 24hours
    Weight:
    560.00 Ounces
    MSRP: $3,345.00
    $2,843.25
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,345.00
    $2,843.25
    Subtotal:
  • MERCURY OEM GC - BASIC, 8M0228048

    Mercury Gear Case - BASIC OEM 8M0228048

    Mercury

    MSRP: $3,342.99
    $2,841.54
    Genuine Mercury Gear Case - BASIC, part number 8M0228048. Designed for use with compatible applications.
    8M0228048
    SKU:
    8M0228048
    Availability:
    Usually Ships within 24hours
    Weight:
    1,120.00 Ounces
    MSRP: $3,342.99
    $2,841.54
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,342.99
    $2,841.54
    Subtotal:
  • MERCURY OEM GC BASIC SILV TM, 8M0228039

    Mercury Gear Case BASIC SILV TM OEM 8M0228039

    Mercury

    MSRP: $3,342.49
    $2,841.12
    Genuine Mercury Gear Case BASIC SILV TM, part number 8M0228039. Designed for use with compatible applications.
    8M0228039
    SKU:
    8M0228039
    Availability:
    Usually Ships within 24hours
    Weight:
    676.80 Ounces
    MSRP: $3,342.49
    $2,841.12
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,342.49
    $2,841.12
    Subtotal:
  • MERCURY OEM GC BRAVO I SC-BSC, 8866J00

    Mercury Gear Case BRAVO I SC-BSC OEM 8866J00

    Mercury

    MSRP: $3,310.07
    $2,813.56
    Genuine Mercury Gear Case BRAVO I SC-BSC, part number 8866J00. Designed for use with compatible applications.
    8866J00
    SKU:
    8866J00
    Availability:
    Usually Ships within 24hours
    Weight:
    529.60 Ounces
    MSRP: $3,310.07
    $2,813.56
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,310.07
    $2,813.56
    Subtotal:
  • MERCURY OEM CPO GC VERXXL5.44, 8M0235775

    Mercury CPO Gear Case VERXXL5.44 OEM 8M0235775

    Mercury

    MSRP: $3,243.75
    $2,757.19
    Genuine Mercury CPO Gear Case VERXXL5.44, part number 8M0235775. Designed for use with compatible applications.
    8M0235775
    SKU:
    8M0235775
    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:
  • Total: items /

Adding your products to cart

Prefer to Call? (727) 596-5929