Contact Our Parts Experts: 1-888-625-5460

B2B: 941-900-4810

Hablamos Español
Shop by Engine
3-8 Day Delivery
Earn up to 4.5% Back on Purchases
Duties & Taxes Included
3-8 Day Delivery
Earn up to 4.5% Back on Purchases
Duties & Taxes Included

3-8 Day Delivery

Estimated 3–8 day delivery based on the shipping method selected at checkout.

Shipping Policy

3-8 Day Delivery

Estimated 3–8 day delivery based on the shipping method selected at checkout.

Shipping Policy

PartsVu Blue Rewards

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.

Start Saving Now

PartsVu Blue Rewards

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.

Start Saving Now

Duties & Taxes Included

No surprise fees at delivery. Duties and taxes are calculated and paid at checkout where applicable.

Shipping Policy

Duties & Taxes Included

No surprise fees at delivery. Duties and taxes are calculated and paid at checkout where applicable.

Shipping Policy

MerCruiser Gears and Gear Housing

(55 products)

PartsVu offers genuine OEM Mercury MerCruiser Gears and Gear Housing for MerCruiser inboard and sterndrive drives. Find your OEM Mercruiser driveshaft housing gears & upper Gears and Gear Housing for every Mercruiser drive including Alpha, Bravo, and XR drives here quickly and easily on PartsVu.com.

  • Mercury Mercruiser - Bravo Three Gear Housing - SeaCore - 2.43 Ratio - Fits Bravo III - 1656-8866J25

    Mercury

    Mercury Mercruiser - Bravo Three Gear Housing - SeaCore - 2.43 Ratio - Fits Bravo III - 1656-8866J25

    $6,893.97 $7,368.57
    Learn More
  • Mercury Mercruiser - Bravo Three Gear Housing - SeaCore - 1.81, 2.00 & 2.20 Ratio - Fits Bravo III, III X & Bravo III XR - 2.00 Ratio - 1656-8866J09

    Mercury

    Mercury Mercruiser - Bravo Three Gear Housing - SeaCore - 1.81, 2.00 & 2.20 Ratio - Fits Bravo III, III X & Bravo III XR - 2.00 Ratio - 1656-8866J09

    $6,372.71 $6,811.43
    Learn More
  • Mercury Mercruiser - Bravo Three Gear Housing - SeaCore - 1.65 Ratio - Fits Bravo III & III X - 1656-8866J24

    Mercury

    Mercury Mercruiser - Bravo Three Gear Housing - SeaCore - 1.65 Ratio - Fits Bravo III & III X - 1656-8866J24

    $6,372.71 $6,811.43
    Learn More
  • Mercury Mercruiser - Bravo Three Gear Housing - 2.43 ratio, Dual Water Pickup - Fits Bravo III & III X - 1656-8M0046682

    Mercury

    Mercury Mercruiser - Bravo Three Gear Housing - 2.43 ratio, Dual Water Pickup - Fits Bravo III & III X - 1656-8M0046682

    $6,372.71 $6,811.43
    Learn More
  • Mercury Mercruiser - Bravo Three Gear Housing - SeaCore - 1.36 & 1.50 Ratio - Fits Bravo III X - 1656-8866J08

    Mercury

    Mercury Mercruiser - Bravo Three Gear Housing - SeaCore - 1.36 & 1.50 Ratio - Fits Bravo III X - 1656-8866J08

    $6,372.71 $6,811.43
    Learn More
  • Mercury Mercruiser - Bravo Three Gear Housing - Dual Water Pickup - Fits Bravo III - 1656-8M0046683

    Mercury

    Mercury Mercruiser - Bravo Three Gear Housing - Dual Water Pickup - Fits Bravo III - 1656-8M0046683

    $3,559.79 $3,804.86
    Learn More
  • Mercury Mercruiser - Bravo Three Gear Housing - 1.65 Ratio, Dual Water Pickup - Fits Bravo III, III X, & Bravo III XR - 1.65 Ratio - 1656-8M0046735

    Mercury

    Mercury – Complete Gearcase | Bravo Three / Three X / Three XR Series | Corrosion-Resistant Alloy | 8M0046735

    $6,372.71 $6,811.43
    Learn More
  • Mercury Mercruiser - Bravo Three Gear Housing - 1.36 & 1.50 Ratio, Dual Water Pickup - Fits Bravo III & III X - 1656-8M0046733

    Mercury

    Mercury – Complete Gearcase | Bravo Three / Three X Series | Corrosion-Resistant Alloy | 8M0046733

    $6,372.71 $6,811.43
    Learn More
  • Mercury Mercruiser - Bravo One Gear Housing - With Dual Water Pickup - 1.36, 1.50 & 1.65 Ratio - Fits Bravo I & I X Drives - 1656-8866A63

    Mercury

    Mercury – Complete Gearcase | Bravo One / One X Series | Corrosion-Resistant Alloy | 8866A63

    $6,372.71 $6,811.43
    Learn More
  • Mercury Mercruiser - Bravo One Gear Housing - SeaCore - With Dual Water Pickup - 1.36, 1.50 & 1.65 Ratio - Fits Bravo I & I X Drives - 1656-8866J01

    Mercury

    Mercury – Complete Gearcase | SeaCore Bravo One / One X Series | Hard-Coat Anodized Alloy | 8866J01

    $6,372.71 $6,811.43
    Learn More
  • Mercury Mercruiser - Bravo One Gear Housing - With Heavy Duty Propshaft and Dual Water Pickup - Fits Bravo I XR & XZ - 1656-8866A62

    Mercury

    Mercury – Complete Gearcase | Bravo One XR / One XZ Series | Corrosion-Resistant Alloy | 8866A62

    $6,893.97 $7,368.57
    Learn More
  • Mercury Mercruiser - Alpha One Gen II Gear Housing - Standard Rotation - Fits Alpha One Gen II - 1623-815822A30

    Mercury

    Mercury Mercruiser - Alpha One Gen II Gear Housing - Standard Rotation - Fits Alpha One Gen II - 1623-815822A30

    $1,684.00 $1,799.99
    Learn More
  • Mercury Mercruiser - Alpha One Gen II Gear Housing - Standard or Counter Rotation - Fits Alpha One Gen II - 1623-815822A36

    Mercury

    Mercury Mercruiser - Alpha One Gen II Gear Housing - Standard or Counter Rotation - Fits Alpha One Gen II - 1623-815822A36

    $1,817.65 $1,942.99
    Learn More
  • Mercury Mercruiser - Bravo One Gear Housing - With Heavy Duty Propshaft and Dual Water Pickup - Fits Bravo I XR - 1656-8866A83

    Mercury

    Mercury Mercruiser - Bravo One Gear Housing - With Heavy Duty Propshaft and Dual Water Pickup - Fits Bravo I XR - 1656-8866A83

    $6,893.97 $7,368.57
    Learn More
  • Mercury Mercruiser - Bravo One Gear Housing - Fits Bravo I - 1656-8866A11

    Mercury

    Mercury Mercruiser - Bravo One Gear Housing - Fits Bravo I - 1656-8866A11

    $3,139.04 $3,355.14
    Learn More
  • Mercury Mercruiser - Alpha One Gen II Gear Housing - 2.00 Ratio - Counter Rotation - Fits Alpha One Gen II - 1623-815822A52

    Mercury

    Mercury – Quicksilver 815822A52 Complete Counter-Rotation (LH) Gearcase | Alpha One Gen II Sterndrives | 2.00 Gear Ratio | 815822A52

    $2,960.48 $3,164.29
    Learn More
  • Mercury Mercruiser - Alpha One Gear Housing - Standard Rotation - Fits R, MR & Alpha One - 1623-8951A43

    Mercury

    Mercury – Standard Rotation Gearcase | MerCruiser R/MR/Alpha One | Low-Copper Alloy & Tri-Paint Finish | 8951A43

    $2,960.48 $3,164.29
    Learn More
  • Mercury Mercruiser - Bravo One Gear Housing - SeaCore - With Dual Water Pickup - Fits Bravo I & I X - 1656-8866J00

    Mercury

    Mercury Mercruiser - Bravo One Gear Housing - SeaCore - With Dual Water Pickup - Fits Bravo I & I X - 1656-8866J00

    $3,096.87 $3,310.07
    Learn More
  • Mercury Mercruiser - Alpha One Gear Housing - Standard Rotation - Fits MR & Alpha One - 1623-8951A37

    Mercury

    Mercury Mercruiser - Alpha One Gear Housing - Standard Rotation - Fits MR & Alpha One - 1623-8951A37

    $1,470.15 $1,571.49
    Learn More

  • FREE SHIPPING

    on all orders over $99!

  • 45-DAY RETURNS

    so you can get the right parts

  • REWARDS ON EVERY PURCHASE

    earn up to 4.5% back

  • PREMIER CUSTOMER SERVICE

    throughout your buying journey