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Free Shipping over $99

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Orders $99 or more ship free within the contiguous U.S.
May not apply to engines or oversized orders.

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Earn up to 1.5 points for every $1 spent. That’s up to 4.5% back that you can redeem and save on future orders. Excludes engine & lower unit sales.

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Ready To Serve

Our top priority is your ultimate satisfaction, and to get you back to boating as soon as possible.

Contact a Parts Pro

Mercury Outboard Lower Units

(283 products)
  • Mercury - G/c basic - 1600-8M0057747

    Mercury

    Mercury - G/c basic - 1600-8M0057747

    $1,844.38 $1,971.49
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  • Mercury - G/c 1.75 l rh sm - 1600-8M0102783

    Mercury

    Mercury - G/c 1.75 l rh sm - 1600-8M0102783

    $13,211.88 $14,125.00
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  • Mercury - Cpo gc verxxl5.44 - 1600-8M0073439

    Mercury

    Mercury - Cpo gc verxxl5.44 - 1600-8M0073439

    $3,642.12
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  • Mercury - Cpo gc vercxl5.44 - 1600-8M0073438

    Mercury

    Mercury - Cpo gc vercxl5.44 - 1600-8M0073438

    $3,642.12
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  • Mercury - Cpo gc tm2 1.75sl - 1600-8M0119624

    Mercury

    Mercury - Cpo gc tm2 1.75sl - 1600-8M0119624

    $3,793.29
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  • Mercury - Complete Gear Housing Assembly - Black - Cambered - Counter Rotation - Long - 5.44 Torpedo Lower Units Only - See Description for Applicable Engines - 8M0117272

    Mercury

    Mercury - Complete Gear Housing Assembly - Black - Cambered - Counter Rotation - Long - 5.44 Torpedo Lower Units Only - See Description for Applicable Engines - 8M0117272

    $10,525.40 $11,250.00
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  • Mercury - Complete Gear Housing Assembly - Silver - Counter Rotating - 5.44 Torpedo Lower Units Only - See Description for Applicable Engines - 8M0117279

    Mercury

    Mercury - Complete Gear Housing Assembly - Silver - Counter Rotating - 5.44 Torpedo Lower Units Only - See Description for Applicable Engines - 8M0117279

    $10,525.40 $11,250.00
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  • Mercury - Complete Gearcase Assembly - Silver - Standard Rotation - Fits 115 HP EFI Pro XS with 2.07:1 Gear Ratio- Serial Number Range 2B225488 and Above - 8M0144823

    Mercury

    Mercury - Complete Gearcase Assembly - Silver - Standard Rotation - Fits 115 HP EFI Pro XS with 2.07:1 Gear Ratio- Serial Number Range 2B225488 and Above - 8M0144823

    $4,631.18 $4,950.00
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  • Mercury - Complete Gear Housing Assembly - Right Hand Rotation - 19:21- M6 Drive - Serial Number 0M976346 and Above - 8M0134334

    Mercury

    Mercury - Complete Gear Housing Assembly - Right Hand Rotation - 19:21- M6 Drive - Serial Number 0M976346 and Above - 8M0134334

    $45,436.32 $48,580.00
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  • Mercury - Complete Gear Housing Assembly - Counter Rotation - 19:21 - M6 Drive - Serial Number 0M976346 and Above - 8M0134335

    Mercury

    Mercury - Complete Gear Housing Assembly - Counter Rotation - 19:21 - M6 Drive - Serial Number 0M976346 and Above - 8M0134335

    $45,436.32 $48,580.00
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  • Mercury - Complete Gearcase - X Long - Silver - 115 EFI Pro XS - Serial Number Range 2B225488 and Above - 8M0144824

    Mercury

    Mercury - Complete Gearcase - X Long - Silver - 115 EFI Pro XS - Serial Number Range 2B225488 and Above - 8M0144824

    $4,631.18 $4,950.00
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  • Mercury - Complete Gear Housing Assembly - Right-Hand Rotation - 19:20 - M6 Drive - Serial Number 0M976346 and Above - 8M0134334.

    Mercury

    Mercury - Complete Gear Housing Assembly - Right-Hand Rotation - 19:20 - M6 Drive - Serial Number 0M976346 and Above - 8M0134334.

    $39,755.94 $42,505.00
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  • Mercury - Complete Gear Housing Assembly - Counter Rotation - 19:20 - M6 Drive - Serial Number 0M976346 and Above - 8M0134333

    Mercury

    Mercury - Complete Gear Housing Assembly - Counter Rotation - 19:20 - M6 Drive - Serial Number 0M976346 and Above - 8M0134333

    $39,755.94 $42,505.00
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  • Mercury - Basic Gearcase - Standard Rotation - Silver - Fits 115 HP EFI Pro XS with 2.07:1 Gear Ratio - Serial Number Range 2B225488 and Above - 8M0145316

    Mercury

    Mercury - Basic Gearcase - Standard Rotation - Silver - Fits 115 HP EFI Pro XS with 2.07:1 Gear Ratio - Serial Number Range 2B225488 and Above - 8M0145316

    $1,941.62 $2,075.29
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  • Mercury - Basic Gear Housing Assembly - Standard Rotation - Command Thrust - Silver - Fits 115 HP EFI Pro XS with 2.38:1 Gear Ratio - Serial Number Range 2B225488 and Above - 8M0145314

    Mercury

    Mercury - Basic Gear Housing Assembly - Standard Rotation - Command Thrust - Silver - Fits 115 HP EFI Pro XS with 2.38:1 Gear Ratio - Serial Number Range 2B225488 and Above - 8M0145314

    $1,941.62 $2,075.29
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  • Mercury - Basic gearcase - 1600-8M0135572

    Mercury

    Mercury - Basic gearcase - 1600-8M0135572

    $679.91 $726.71
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  • Mercury - Basic Gear Housing Assembly - Silver - Fits 5.44 Torpedo Lower Units Only - See Description for Applicable Engines - 8M014288

    Mercury

    Mercury - Basic Gear Housing Assembly - Silver - Fits 5.44 Torpedo Lower Units Only - See Description for Applicable Engines - 8M014288

    $4,517.50 $4,828.49
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  • Mercury - Basic Gear Housing Assembly - Silver - Fits 5.44 Torpedo Lower Units Only - See Description for Applicable Engines - 8M0117269

    Mercury

    Mercury - Basic Gear Housing Assembly - Silver - Fits 5.44 Torpedo Lower Units Only - See Description for Applicable Engines - 8M0117269

    $2,997.57 $3,203.93
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  • Mercury - Basic Gear Housing Assembly - Black - SeaPro - 5.44 Torpedo Lower Unit Only - See Description for Applicable Engine - 8M0145771

    Mercury

    Mercury - Basic Gear Housing Assembly - Black - SeaPro - 5.44 Torpedo Lower Unit Only - See Description for Applicable Engine - 8M0145771

    $2,881.02 $3,079.49
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  • Mercury - Basic Gear Housing Assembly - Silver - Cambered - Counter Rotation - for 5.44 Torpedo Lower Units Only - See Description for Applicable Engines - 8M0145770

    Mercury

    Mercury - Basic Gear Housing Assembly - Silver - Cambered - Counter Rotation - for 5.44 Torpedo Lower Units Only - See Description for Applicable Engines - 8M0145770

    $4,289.35 $4,584.64
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  • GEAR HOUSING ASSE - 1600-8M0110262

    Mercury

    GEAR HOUSING ASSE - 1600-8M0110262

    $10,525.40 $11,250.00
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  • GEAR HOUSING ASSE - 1600-8M0110265

    Mercury

    GEAR HOUSING ASSE - 1600-8M0110265

    $10,525.40 $11,250.00
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  • GEAR HOUSING ASSE - 1600-8M0089983

    Mercury

    GEAR HOUSING ASSE - 1600-8M0089983

    $8,099.55 $8,657.15
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  • Gear Housing Assembly - 1600-8M0110257

    Mercury

    Gear Housing Assembly - 1600-8M0110257

    $10,525.40 $11,250.00
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  • GEAR HOUSING ASSE - 1600-8M0110260

    Mercury

    GEAR HOUSING ASSE - 1600-8M0110260

    $10,525.40 $11,250.00
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  • GEAR HOUSING ASSE - 1600-8M0110255

    Mercury

    GEAR HOUSING ASSE - 1600-8M0110255

    $10,525.40 $11,250.00
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  • Gear Housing Assembly - 1600-8M0110256

    Mercury

    Gear Housing Assembly - 1600-8M0110256

    $10,525.40 $11,250.00
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  • GEAR HOUSING ASSE - 1600-8M0110266

    Mercury

    GEAR HOUSING ASSE - 1600-8M0110266

    $10,525.40 $11,250.00
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  • GEAR HOUSING ASSE - 1600-8M0110263

    Mercury

    GEAR HOUSING ASSE - 1600-8M0110263

    $10,525.40 $11,250.00
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  • GEAR HOUSING 2S L - 1600-8M0122307

    Mercury

    GEAR HOUSING 2S L - 1600-8M0122307

    $540.29 $564.30
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  • GEAR HOUSING ASSE - 1600-8M0110254

    Mercury

    GEAR HOUSING ASSE - 1600-8M0110254

    $8,099.55 $8,657.15
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