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 5.44 CXL SILVR, 8M0236185

    Mercury Gear Case 5.44 CXL SILVR OEM 8M0236185

    Mercury

    MSRP: $10,810.00
    $9,188.50
    Genuine Mercury Gear Case 5.44 CXL SILVR, part number 8M0236185. Designed for use with compatible applications.
    8M0236185
    SKU:
    8M0236185
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $10,810.00
    $9,188.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $10,810.00
    $9,188.50
    Subtotal:
  • MERCURY OEM GC 5.44 XL SILVER, 8M0236181

    Mercury Gear Case 5.44 XL SILVER OEM 8M0236181

    Mercury

    MSRP: $10,810.00
    $9,188.50
    Genuine Mercury Gear Case 5.44 XL SILVER, part number 8M0236181. Designed for use with compatible applications.
    8M0236181
    SKU:
    8M0236181
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $10,810.00
    $9,188.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $10,810.00
    $9,188.50
    Subtotal:
  • MERCURY OEM GC 5.44L SILVER, 8M0236180

    Mercury Gear Case 5.44L SILVER OEM 8M0236180

    Mercury

    MSRP: $10,740.00
    $9,129.00
    Genuine Mercury Gear Case 5.44L SILVER, part number 8M0236180. Designed for use with compatible applications.
    8M0236180
    SKU:
    8M0236180
    Availability:
    Usually Ships within 24hours
    Weight:
    1,840.00 Ounces
    MSRP: $10,740.00
    $9,129.00
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $10,740.00
    $9,129.00
    Subtotal:
  • MERCURY OEM GC 5.44 CL SILVR, 8M0236184

    Mercury Gear Case 5.44 CL SILVR OEM 8M0236184

    Mercury

    MSRP: $10,740.00
    $9,129.00
    Genuine Mercury Gear Case 5.44 CL SILVR, part number 8M0236184. Designed for use with compatible applications.
    8M0236184
    SKU:
    8M0236184
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $10,740.00
    $9,129.00
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $10,740.00
    $9,129.00
    Subtotal:
  • MERCURY OEM GEARCASE-BASIC, 879345T45

    Mercury GEARCASE-BASIC OEM 879345T45

    Mercury

    MSRP: $10,636.57
    $9,041.08
    Genuine Mercury GEARCASE-BASIC, part number 879345T45. Designed for use with compatible applications.
    879345T45
    SKU:
    879345T45
    Availability:
    Usually Ships within 24hours
    Weight:
    1,728.00 Ounces
    MSRP: $10,636.57
    $9,041.08
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $10,636.57
    $9,041.08
    Subtotal:
  • MERCURY OEM GC SM 1.75 XL, 8M0236246

    Mercury Gear Case SM 1.75 XL OEM 8M0236246

    Mercury

    MSRP: $10,505.00
    $8,929.25
    Genuine Mercury Gear Case SM 1.75 XL, part number 8M0236246. Designed for use with compatible applications.
    8M0236246
    SKU:
    8M0236246
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $10,505.00
    $8,929.25
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $10,505.00
    $8,929.25
    Subtotal:
  • MERCURY OEM GC 1.62 XL, 8M0236141

    Mercury Gear Case 1.62 XL OEM 8M0236141

    Mercury

    MSRP: $10,505.00
    $8,929.25
    Genuine Mercury Gear Case 1.62 XL, part number 8M0236141. Designed for use with compatible applications.
    8M0236141
    SKU:
    8M0236141
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $10,505.00
    $8,929.25
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $10,505.00
    $8,929.25
    Subtotal:
  • MERCURY OEM GEAR HOUSING, 8M0131315

    Mercury GEAR HOUSING OEM 8M0131315

    Mercury

    MSRP: $10,490.00
    $8,916.50
    Genuine Mercury GEAR HOUSING, part number 8M0131315. Designed for use with compatible applications.
    8M0131315
    SKU:
    8M0131315
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $10,490.00
    $8,916.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $10,490.00
    $8,916.50
    Subtotal:
  • MERCURY OEM GEAR HOUSING, 842004T03

    Mercury GEAR HOUSING OEM 842004T03

    Mercury

    MSRP: $10,480.00
    $8,908.00
    Genuine Mercury GEAR HOUSING, part number 842004T03. Designed for use with compatible applications.
    842004T03
    SKU:
    842004T03
    Availability:
    Usually Ships within 24hours
    Weight:
    1,008.00 Ounces
    MSRP: $10,480.00
    $8,908.00
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $10,480.00
    $8,908.00
    Subtotal:
  • MERCURY OEM GC 5.44 CXXL 1.6, 8M0236168

    Mercury Gear Case 5.44 CXXL 1.6 OEM 8M0236168

    Mercury

    MSRP: $10,410.00
    $8,848.50
    Genuine Mercury Gear Case 5.44 CXXL 1.6, part number 8M0236168. Designed for use with compatible applications.
    8M0236168
    SKU:
    8M0236168
    Availability:
    Usually Ships within 24hours
    Weight:
    1,712.00 Ounces
    MSRP: $10,410.00
    $8,848.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $10,410.00
    $8,848.50
    Subtotal:
  • MERCURY OEM GC 5.44 XXL 1.6 W, 8M0236149

    Mercury Gear Case 5.44 XXL 1.6 W OEM 8M0236149

    Mercury

    MSRP: $10,410.00
    $8,848.50
    Genuine Mercury Gear Case 5.44 XXL 1.6 W, part number 8M0236149. Designed for use with compatible applications.
    8M0236149
    SKU:
    8M0236149
    Availability:
    Usually Ships within 24hours
    Weight:
    1,280.00 Ounces
    MSRP: $10,410.00
    $8,848.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $10,410.00
    $8,848.50
    Subtotal:
  • MERCURY OEM GC 5.44 XXL 1.6W, 8M0236151

    Mercury Gear Case 5.44 XXL 1.6W OEM 8M0236151

    Mercury

    MSRP: $10,410.00
    $8,848.50
    Genuine Mercury Gear Case 5.44 XXL 1.6W, part number 8M0236151. Designed for use with compatible applications.
    8M0236151
    SKU:
    8M0236151
    Availability:
    Usually Ships within 24hours
    Weight:
    1,200.00 Ounces
    MSRP: $10,410.00
    $8,848.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $10,410.00
    $8,848.50
    Subtotal:
  • MERCURY OEM GC 5.44 CXXL 1.6S, 8M0236166

    Mercury Gear Case 5.44 CXXL 1.6S OEM 8M0236166

    Mercury

    MSRP: $10,410.00
    $8,848.50
    Genuine Mercury Gear Case 5.44 CXXL 1.6S, part number 8M0236166. Designed for use with compatible applications.
    8M0236166
    SKU:
    8M0236166
    Availability:
    Usually Ships within 24hours
    Weight:
    1,296.00 Ounces
    MSRP: $10,410.00
    $8,848.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $10,410.00
    $8,848.50
    Subtotal:
  • MERCURY OEM GC 5.44 CXXL 1.6, 8M0188169

    Mercury Gear Case 5.44 CXXL 1.6 OEM 8M0188169

    Mercury

    MSRP: $10,410.00
    $8,848.50
    Genuine Mercury Gear Case 5.44 CXXL 1.6, part number 8M0188169. Designed for use with compatible applications.
    8M0188169
    SKU:
    8M0188169
    Availability:
    Usually Ships within 24hours
    Weight:
    1,216.00 Ounces
    MSRP: $10,410.00
    $8,848.50
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $10,410.00
    $8,848.50
    Subtotal:
  • MERCURY OEM GC 5.44 XL 1.60 S, 8M0236145

    Mercury Gear Case 5.44 XL 1.60 S OEM 8M0236145

    Mercury

    MSRP: $10,375.00
    $8,818.75
    Genuine Mercury Gear Case 5.44 XL 1.60 S, part number 8M0236145. Designed for use with compatible applications.
    8M0236145
    SKU:
    8M0236145
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $10,375.00
    $8,818.75
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $10,375.00
    $8,818.75
    Subtotal:
  • MERCURY OEM GC 5.44 CXL CMB G, 8M0236163

    Mercury Gear Case 5.44 CXL CMB G OEM 8M0236163

    Mercury

    MSRP: $10,375.00
    $8,818.75
    Genuine Mercury Gear Case 5.44 CXL CMB G, part number 8M0236163. Designed for use with compatible applications.
    8M0236163
    SKU:
    8M0236163
    Availability:
    Usually Ships within 24hours
    Weight:
    1,168.00 Ounces
    MSRP: $10,375.00
    $8,818.75
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $10,375.00
    $8,818.75
    Subtotal:
  • MERCURY OEM GC 5.44 XL 1.60 C, 8M0236147

    Mercury Gear Case 5.44 XL 1.60 C OEM 8M0236147

    Mercury

    MSRP: $10,375.00
    $8,818.75
    Genuine Mercury Gear Case 5.44 XL 1.60 C, part number 8M0236147. Designed for use with compatible applications.
    8M0236147
    SKU:
    8M0236147
    Availability:
    Usually Ships within 24hours
    Weight:
    1,216.00 Ounces
    MSRP: $10,375.00
    $8,818.75
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $10,375.00
    $8,818.75
    Subtotal:
  • MERCURY OEM GC 5.44 CXL 1.6 G, 8M0236161

    Mercury Gear Case 5.44 CXL 1.6 G OEM 8M0236161

    Mercury

    MSRP: $10,375.00
    $8,818.75
    Genuine Mercury Gear Case 5.44 CXL 1.6 G, part number 8M0236161. Designed for use with compatible applications.
    8M0236161
    SKU:
    8M0236161
    Availability:
    Usually Ships within 24hours
    Weight:
    1,664.00 Ounces
    MSRP: $10,375.00
    $8,818.75
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $10,375.00
    $8,818.75
    Subtotal:
  • MERCURY OEM GC 5.44 CXL CMB S, 8M0188165

    Mercury Gear Case 5.44 CXL CMB S OEM 8M0188165

    Mercury

    MSRP: $10,375.00
    $8,818.75
    Genuine Mercury Gear Case 5.44 CXL CMB S, part number 8M0188165. Designed for use with compatible applications.
    8M0188165
    SKU:
    8M0188165
    Availability:
    Usually Ships within 24hours
    Weight:
    1,232.00 Ounces
    MSRP: $10,375.00
    $8,818.75
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $10,375.00
    $8,818.75
    Subtotal:
  • MERCURY OEM GC 5.44 XL 1.60CS, 8M0176861

    Mercury Gear Case 5.44 XL 1.60CS OEM 8M0176861

    Mercury

    MSRP: $10,375.00
    $8,818.75
    Genuine Mercury Gear Case 5.44 XL 1.60CS, part number 8M0176861. Designed for use with compatible applications.
    8M0176861
    SKU:
    8M0176861
    Availability:
    Usually Ships within 24hours
    Weight:
    1,200.00 Ounces
    MSRP: $10,375.00
    $8,818.75
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $10,375.00
    $8,818.75
    Subtotal:
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