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 DSI XL 1.75, 8M0236198

    Mercury Gear Case DSI XL 1.75 OEM 8M0236198

    Mercury

    MSRP: $9,765.00
    $8,300.25
    Genuine Mercury Gear Case DSI XL 1.75, part number 8M0236198. Designed for use with compatible applications.
    8M0236198
    SKU:
    8M0236198
    Availability:
    Usually Ships within 24hours
    Weight:
    912.00 Ounces
    MSRP: $9,765.00
    $8,300.25
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $9,765.00
    $8,300.25
    Subtotal:
  • MERCURY OEM GC 1.75 XXL, 8M0236220

    Mercury Gear Case 1.75 XXL OEM 8M0236220

    Mercury

    MSRP: $9,715.00
    $8,257.75
    Genuine Mercury Gear Case 1.75 XXL, part number 8M0236220. Designed for use with compatible applications.
    8M0236220
    SKU:
    8M0236220
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $9,715.00
    $8,257.75
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $9,715.00
    $8,257.75
    Subtotal:
  • MERCURY OEM GEAR HOUSIBG-OBIV, 818877A20

    Mercury GEAR HOUSIBG-OBIV OEM 818877A20

    Mercury

    MSRP: $9,653.71
    $8,205.65
    Genuine Mercury GEAR HOUSIBG-OBIV, part number 818877A20. Designed for use with compatible applications.
    818877A20
    SKU:
    818877A20
    Availability:
    Usually Ships within 24hours
    Weight:
    448.00 Ounces
    MSRP: $9,653.71
    $8,205.65
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $9,653.71
    $8,205.65
    Subtotal:
  • MERCURY OEM GC-BRAVO 4S, 8M0174813

    Mercury Gear Case-BRAVO 4S OEM 8M0174813

    Mercury

    MSRP: $9,634.29
    $8,189.15
    Genuine Mercury Gear Case-BRAVO 4S, part number 8M0174813. Designed for use with compatible applications.
    8M0174813
    SKU:
    8M0174813
    Availability:
    Usually Ships within 24hours
    Weight:
    1,248.00 Ounces
    MSRP: $9,634.29
    $8,189.15
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $9,634.29
    $8,189.15
    Subtotal:
  • MERCURY OEM GC XXL SILVER, 8M0235837

    Mercury Gear Case XXL SILVER OEM 8M0235837

    Mercury

    MSRP: $9,350.00
    $7,947.50
    Genuine Mercury Gear Case XXL SILVER, part number 8M0235837. Designed for use with compatible applications.
    8M0235837
    SKU:
    8M0235837
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $9,350.00
    $7,947.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $9,350.00
    $7,947.50
    Subtotal:
  • MERCURY OEM GC XL SILVER, 8M0235835

    Mercury Gear Case XL SILVER OEM 8M0235835

    Mercury

    MSRP: $9,350.00
    $7,947.50
    Genuine Mercury Gear Case XL SILVER, part number 8M0235835. Designed for use with compatible applications.
    8M0235835
    SKU:
    8M0235835
    Availability:
    Usually Ships within 24hours
    Weight:
    1,216.00 Ounces
    MSRP: $9,350.00
    $7,947.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $9,350.00
    $7,947.50
    Subtotal:
  • MERCURY OEM GC CXL SILVER, 8M0235836

    Mercury Gear Case CXL SILVER OEM 8M0235836

    Mercury

    MSRP: $9,350.00
    $7,947.50
    Genuine Mercury Gear Case CXL SILVER, part number 8M0235836. Designed for use with compatible applications.
    8M0235836
    SKU:
    8M0235836
    Availability:
    Usually Ships within 24hours
    Weight:
    1,280.00 Ounces
    MSRP: $9,350.00
    $7,947.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $9,350.00
    $7,947.50
    Subtotal:
  • MERCURY OEM GC CXXL SILVER, 8M0235838

    Mercury Gear Case CXXL SILVER OEM 8M0235838

    Mercury

    MSRP: $9,350.00
    $7,947.50
    Genuine Mercury Gear Case CXXL SILVER, part number 8M0235838. Designed for use with compatible applications.
    8M0235838
    SKU:
    8M0235838
    Availability:
    Usually Ships within 24hours
    Weight:
    1,440.00 Ounces
    MSRP: $9,350.00
    $7,947.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $9,350.00
    $7,947.50
    Subtotal:
  • MERCURY OEM GC CXXL BLK, 8M0235825

    Mercury Gear Case CXXL BLK OEM 8M0235825

    Mercury

    MSRP: $9,350.00
    $7,947.50
    Genuine Mercury Gear Case CXXL BLK, part number 8M0235825. Designed for use with compatible applications.
    8M0235825
    SKU:
    8M0235825
    Availability:
    Usually Ships within 24hours
    Weight:
    1,680.00 Ounces
    MSRP: $9,350.00
    $7,947.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $9,350.00
    $7,947.50
    Subtotal:
  • MERCURY OEM GC XL SILV, 8M0235820

    Mercury Gear Case XL SILV OEM 8M0235820

    Mercury

    MSRP: $9,350.00
    $7,947.50
    Genuine Mercury Gear Case XL SILV, part number 8M0235820. Designed for use with compatible applications.
    8M0235820
    SKU:
    8M0235820
    Availability:
    Usually Ships within 24hours
    Weight:
    1,280.00 Ounces
    MSRP: $9,350.00
    $7,947.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $9,350.00
    $7,947.50
    Subtotal:
  • MERCURY OEM GC XXL SILV, 8M0235824

    Mercury Gear Case XXL SILV OEM 8M0235824

    Mercury

    MSRP: $9,350.00
    $7,947.50
    Genuine Mercury Gear Case XXL SILV, part number 8M0235824. Designed for use with compatible applications.
    8M0235824
    SKU:
    8M0235824
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $9,350.00
    $7,947.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $9,350.00
    $7,947.50
    Subtotal:
  • MERCURY OEM GC CXL BLK, 8M0235821

    Mercury Gear Case CXL BLK OEM 8M0235821

    Mercury

    MSRP: $9,350.00
    $7,947.50
    Genuine Mercury Gear Case CXL BLK, part number 8M0235821. Designed for use with compatible applications.
    8M0235821
    SKU:
    8M0235821
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $9,350.00
    $7,947.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $9,350.00
    $7,947.50
    Subtotal:
  • MERCURY OEM GC VER 1.85 CXL, 8M0236285

    Mercury Gear Case VER 1.85 CXL OEM 8M0236285

    Mercury

    MSRP: $9,350.00
    $7,947.50
    Genuine Mercury Gear Case VER 1.85 CXL, part number 8M0236285. Designed for use with compatible applications.
    8M0236285
    SKU:
    8M0236285
    Availability:
    Usually Ships within 24hours
    Weight:
    1,456.00 Ounces
    MSRP: $9,350.00
    $7,947.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $9,350.00
    $7,947.50
    Subtotal:
  • MERCURY OEM GC VER 1.85 CXXL, 8M0236287

    Mercury Gear Case VER 1.85 CXXL OEM 8M0236287

    Mercury

    MSRP: $9,350.00
    $7,947.50
    Genuine Mercury Gear Case VER 1.85 CXXL, part number 8M0236287. Designed for use with compatible applications.
    8M0236287
    SKU:
    8M0236287
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $9,350.00
    $7,947.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $9,350.00
    $7,947.50
    Subtotal:
  • MERCURY OEM GC XXL BLK, 8M0235823

    Mercury Gear Case XXL BLK OEM 8M0235823

    Mercury

    MSRP: $9,350.00
    $7,947.50
    Genuine Mercury Gear Case XXL BLK, part number 8M0235823. Designed for use with compatible applications.
    8M0235823
    SKU:
    8M0235823
    Availability:
    Usually Ships within 24hours
    Weight:
    1,280.00 Ounces
    MSRP: $9,350.00
    $7,947.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $9,350.00
    $7,947.50
    Subtotal:
  • MERCURY OEM GC L SILV, 8M0235818

    Mercury Gear Case L SILV OEM 8M0235818

    Mercury

    MSRP: $9,350.00
    $7,947.50
    Genuine Mercury Gear Case L SILV, part number 8M0235818. Designed for use with compatible applications.
    8M0235818
    SKU:
    8M0235818
    Availability:
    Usually Ships within 24hours
    Weight:
    1,584.00 Ounces
    MSRP: $9,350.00
    $7,947.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $9,350.00
    $7,947.50
    Subtotal:
  • MERCURY OEM GC XL BLK, 8M0235819

    Mercury Gear Case XL BLK OEM 8M0235819

    Mercury

    MSRP: $9,350.00
    $7,947.50
    Genuine Mercury Gear Case XL BLK, part number 8M0235819. Designed for use with compatible applications.
    8M0235819
    SKU:
    8M0235819
    Availability:
    Usually Ships within 24hours
    Weight:
    1,408.00 Ounces
    MSRP: $9,350.00
    $7,947.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $9,350.00
    $7,947.50
    Subtotal:
  • MERCURY OEM GC CL SILVER, 8M0228026

    Mercury Gear Case CL SILVER OEM 8M0228026

    Mercury

    MSRP: $9,350.00
    $7,947.50
    Genuine Mercury Gear Case CL SILVER, part number 8M0228026. Designed for use with compatible applications.
    8M0228026
    SKU:
    8M0228026
    Availability:
    Usually Ships within 24hours
    Weight:
    1,568.00 Ounces
    MSRP: $9,350.00
    $7,947.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $9,350.00
    $7,947.50
    Subtotal:
  • MERCURY OEM GC VER 1.85 CL, 8M0117257

    Mercury Gear Case VER 1.85 CL OEM 8M0117257

    Mercury

    MSRP: $9,350.00
    $7,947.50
    Genuine Mercury Gear Case VER 1.85 CL, part number 8M0117257. Designed for use with compatible applications.
    8M0117257
    SKU:
    8M0117257
    Availability:
    Usually Ships within 24hours
    Weight:
    1,296.00 Ounces
    MSRP: $9,350.00
    $7,947.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $9,350.00
    $7,947.50
    Subtotal:
  • MERCURY OEM GC TM XL 1.75, 8M0236165

    Mercury Gear Case TM XL 1.75 OEM 8M0236165

    Mercury

    MSRP: $9,295.00
    $7,900.75
    Genuine Mercury Gear Case TM XL 1.75, part number 8M0236165. Designed for use with compatible applications.
    8M0236165
    SKU:
    8M0236165
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $9,295.00
    $7,900.75
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $9,295.00
    $7,900.75
    Subtotal:
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