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 SILVER CONTRA, 8M0174564

    Mercury Gear Case SILVER CONTRA OEM 8M0174564

    Mercury

    MSRP: $24,007.15
    $20,406.08
    Genuine Mercury Gear Case SILVER CONTRA, part number 8M0174564. Designed for use with compatible applications.
    8M0174564
    SKU:
    8M0174564
    Availability:
    Usually Ships within 24hours
    Weight:
    2,208.00 Ounces
    MSRP: $24,007.15
    $20,406.08
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $24,007.15
    $20,406.08
    Subtotal:
  • MERCURY OEM GC-500RW 1.6CXXXL, 8M0224417

    Mercury Gear Case-500RW 1.6CXXXL OEM 8M0224417

    Mercury

    MSRP: $23,365.00
    $19,860.25
    Genuine Mercury Gear Case-500RW 1.6CXXXL, part number 8M0224417. Designed for use with compatible applications.
    8M0224417
    SKU:
    8M0224417
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $23,365.00
    $19,860.25
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $23,365.00
    $19,860.25
    Subtotal:
  • MERCURY OEM GC-500R W 1.6XXXL, 8M0224416

    Mercury Gear Case-500R W 1.6XXXL OEM 8M0224416

    Mercury

    MSRP: $23,365.00
    $19,860.25
    Genuine Mercury Gear Case-500R W 1.6XXXL, part number 8M0224416. Designed for use with compatible applications.
    8M0224416
    SKU:
    8M0224416
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $23,365.00
    $19,860.25
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $23,365.00
    $19,860.25
    Subtotal:
  • MERCURY OEM GC-500R W 1.6CXXL, 8M0224415

    Mercury Gear Case-500R W 1.6CXXL OEM 8M0224415

    Mercury

    MSRP: $23,150.00
    $19,677.50
    Genuine Mercury Gear Case-500R W 1.6CXXL, part number 8M0224415. Designed for use with compatible applications.
    8M0224415
    SKU:
    8M0224415
    Availability:
    Usually Ships within 24hours
    Weight:
    1,528.00 Ounces
    MSRP: $23,150.00
    $19,677.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $23,150.00
    $19,677.50
    Subtotal:
  • MERCURY OEM GC-500R W 1.60XXL, 8M0224414

    Mercury Gear Case-500R W 1.60XXL OEM 8M0224414

    Mercury

    MSRP: $23,150.00
    $19,677.50
    Genuine Mercury Gear Case-500R W 1.60XXL, part number 8M0224414. Designed for use with compatible applications.
    8M0224414
    SKU:
    8M0224414
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $23,150.00
    $19,677.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $23,150.00
    $19,677.50
    Subtotal:
  • MERCURY OEM GC-500R W 1.60CXL, 8M0224413

    Mercury Gear Case-500R W 1.60CXL OEM 8M0224413

    Mercury

    MSRP: $23,080.00
    $19,618.00
    Genuine Mercury Gear Case-500R W 1.60CXL, part number 8M0224413. Designed for use with compatible applications.
    8M0224413
    SKU:
    8M0224413
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $23,080.00
    $19,618.00
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $23,080.00
    $19,618.00
    Subtotal:
  • MERCURY OEM GC-500R W 1.60 XL, 8M0224412

    Mercury Gear Case-500R W 1.60 XL OEM 8M0224412

    Mercury

    MSRP: $23,080.00
    $19,618.00
    Genuine Mercury Gear Case-500R W 1.60 XL, part number 8M0224412. Designed for use with compatible applications.
    8M0224412
    SKU:
    8M0224412
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $23,080.00
    $19,618.00
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $23,080.00
    $19,618.00
    Subtotal:
  • MERCURY OEM GC-500R W 1.60 CL, 8M0224411

    Mercury Gear Case-500R W 1.60 CL OEM 8M0224411

    Mercury

    MSRP: $22,935.00
    $19,494.75
    Genuine Mercury Gear Case-500R W 1.60 CL, part number 8M0224411. Designed for use with compatible applications.
    8M0224411
    SKU:
    8M0224411
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $22,935.00
    $19,494.75
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $22,935.00
    $19,494.75
    Subtotal:
  • MERCURY OEM GC-500R W 1.60 L, 8M0224409

    Mercury Gear Case-500R W 1.60 L OEM 8M0224409

    Mercury

    MSRP: $22,935.00
    $19,494.75
    Genuine Mercury Gear Case-500R W 1.60 L, part number 8M0224409. Designed for use with compatible applications.
    8M0224409
    SKU:
    8M0224409
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $22,935.00
    $19,494.75
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $22,935.00
    $19,494.75
    Subtotal:
  • MERCURY OEM GC-500RG 1.6CXXXL, 8M0224408

    Mercury Gear Case-500RG 1.6CXXXL OEM 8M0224408

    Mercury

    MSRP: $22,795.00
    $19,375.75
    Genuine Mercury Gear Case-500RG 1.6CXXXL, part number 8M0224408. Designed for use with compatible applications.
    8M0224408
    SKU:
    8M0224408
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $22,795.00
    $19,375.75
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $22,795.00
    $19,375.75
    Subtotal:
  • MERCURY OEM GC-500R G 1.6XXXL, 8M0224407

    Mercury Gear Case-500R G 1.6XXXL OEM 8M0224407

    Mercury

    MSRP: $22,795.00
    $19,375.75
    Genuine Mercury Gear Case-500R G 1.6XXXL, part number 8M0224407. Designed for use with compatible applications.
    8M0224407
    SKU:
    8M0224407
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $22,795.00
    $19,375.75
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $22,795.00
    $19,375.75
    Subtotal:
  • MERCURY OEM GC-500R G 1.6CXXL, 8M0236227

    Mercury Gear Case-500R G 1.6CXXL OEM 8M0236227

    Mercury

    MSRP: $22,580.00
    $19,193.00
    Genuine Mercury Gear Case-500R G 1.6CXXL, part number 8M0236227. Designed for use with compatible applications.
    8M0236227
    SKU:
    8M0236227
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $22,580.00
    $19,193.00
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $22,580.00
    $19,193.00
    Subtotal:
  • MERCURY OEM GC-500R G 1.60XXL, 8M0236226

    Mercury Gear Case-500R G 1.60XXL OEM 8M0236226

    Mercury

    MSRP: $22,580.00
    $19,193.00
    Genuine Mercury Gear Case-500R G 1.60XXL, part number 8M0236226. Designed for use with compatible applications.
    8M0236226
    SKU:
    8M0236226
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $22,580.00
    $19,193.00
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $22,580.00
    $19,193.00
    Subtotal:
  • MERCURY OEM GC-500R G 1.60CXL, 8M0236225

    Mercury Gear Case-500R G 1.60CXL OEM 8M0236225

    Mercury

    MSRP: $22,505.00
    $19,129.25
    Genuine Mercury Gear Case-500R G 1.60CXL, part number 8M0236225. Designed for use with compatible applications.
    8M0236225
    SKU:
    8M0236225
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $22,505.00
    $19,129.25
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $22,505.00
    $19,129.25
    Subtotal:
  • MERCURY OEM GC-500R G 1.60 XL, 8M0236224

    Mercury Gear Case-500R G 1.60 XL OEM 8M0236224

    Mercury

    MSRP: $22,505.00
    $19,129.25
    Genuine Mercury Gear Case-500R G 1.60 XL, part number 8M0236224. Designed for use with compatible applications.
    8M0236224
    SKU:
    8M0236224
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $22,505.00
    $19,129.25
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $22,505.00
    $19,129.25
    Subtotal:
  • MERCURY OEM GC-500R G 1.60 CL, 8M0224402

    Mercury Gear Case-500R G 1.60 CL OEM 8M0224402

    Mercury

    MSRP: $22,365.00
    $19,010.25
    Genuine Mercury Gear Case-500R G 1.60 CL, part number 8M0224402. Designed for use with compatible applications.
    8M0224402
    SKU:
    8M0224402
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $22,365.00
    $19,010.25
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $22,365.00
    $19,010.25
    Subtotal:
  • MERCURY OEM GC-500R G 1.60 RH, 8M0224401

    Mercury Gear Case-500R G 1.60 RH OEM 8M0224401

    Mercury

    MSRP: $22,365.00
    $19,010.25
    Genuine Mercury Gear Case-500R G 1.60 RH, part number 8M0224401. Designed for use with compatible applications.
    8M0224401
    SKU:
    8M0224401
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $22,365.00
    $19,010.25
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $22,365.00
    $19,010.25
    Subtotal:
  • MERCURY OEM GC RDS G 1.60 C3X, 8M0219810

    Mercury Gear Case RDS G 1.60 C3X OEM 8M0219810

    Mercury

    MSRP: $18,555.00
    $15,771.75
    Genuine Mercury Gear Case RDS G 1.60 C3X, part number 8M0219810. Designed for use with compatible applications.
    8M0219810
    SKU:
    8M0219810
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $18,555.00
    $15,771.75
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $18,555.00
    $15,771.75
    Subtotal:
  • MERCURY OEM GC RDS G 1.60 3X, 8M0219809

    Mercury Gear Case RDS G 1.60 3X OEM 8M0219809

    Mercury

    MSRP: $18,555.00
    $15,771.75
    Genuine Mercury Gear Case RDS G 1.60 3X, part number 8M0219809. Designed for use with compatible applications.
    8M0219809
    SKU:
    8M0219809
    Availability:
    Usually Ships within 24hours
    Weight:
    1,120.00 Ounces
    MSRP: $18,555.00
    $15,771.75
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $18,555.00
    $15,771.75
    Subtotal:
  • MERCURY OEM GC RDS G 1.60 XXL, 8M0236217

    Mercury Gear Case RDS G 1.60 XXL OEM 8M0236217

    Mercury

    MSRP: $18,520.00
    $15,742.00
    Genuine Mercury Gear Case RDS G 1.60 XXL, part number 8M0236217. Designed for use with compatible applications.
    8M0236217
    SKU:
    8M0236217
    Availability:
    Usually Ships within 24hours
    Weight:
    1,680.00 Ounces
    MSRP: $18,520.00
    $15,742.00
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $18,520.00
    $15,742.00
    Subtotal:
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