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Free Shipping over $99

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Free Shipping over $99

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 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

MerCruiser Gear Repair Kits and Gear Housing

(41 products)

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

  • Mercury Mercruiser - Lower Driveshaft Bearing - Fits MR, Alpha One & Gen II - 31-42647A1

    Mercury

    Mercury Mercruiser - Lower Driveshaft Bearing - Fits MR, Alpha One & Gen II - 31-42647A1

    $56.06 $66.00
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  • Mercury Mercruiser - Lower Driveshaft Bearing - Fits Bravo I, II, III, X, XR & XZ - 31-86754T

    Mercury

    Mercury – Marine Bearing | Drivetrain Support | Grease-Packed Steel | 86754T

    $69.99 $81.67
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  • Mercury Mercruiser - Upper Driveshaft Bearing - Fits IA/IB/IC & EZ Shift, 120, 140 & 160, MR, Alpha One & Gen II - 31-8M0146566

    Mercury

    Mercury – Upper Driveshaft Bearing Cup Cone | Multi-Series Drivetrain Component | Marine Alloy | 8M0146566

    $63.99 $74.83
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  • Mercury Mercruiser - 31-30956T

    Mercury

    Mercury Mercruiser - 31-30956T

    $16.49 $19.49
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  • Mercury Mercruiser - Upper Driveshaft Bearing - Fits Bravo I, II, III, X, XR & XZ - 31-8M0103473

    Mercury

    Mercury Mercruiser - Upper Driveshaft Bearing - Fits Bravo I, II, III, X, XR & XZ - 31-8M0103473

    $45.51 $53.58
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  • Mercury Mercruiser - Gear Repair Kit - Fits Bravo III & III X - 43-803088T02

    Mercury

    Mercury Mercruiser - Gear Repair Kit - Fits Bravo III & III X - 43-803088T02

    $1,356.61 $1,450.00
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  • Mercury Mercruiser - Forward Gear Bearing - Fits Bravo I, III, X, XR & XZ - 31-8M0103471

    Mercury

    Mercury Mercruiser - Forward Gear Bearing - Fits Bravo I, III, X, XR & XZ - 31-8M0103471

    $60.24 $70.92
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  • Mercury Mercruiser - Bearing Carrier Bearing - Fits Bravo III - 31-805079T

    Mercury

    Mercury Mercruiser - Bearing Carrier Bearing - Fits Bravo III - 31-805079T

    $154.11 $182.58
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  • Mercury Mercruiser - Reverse Gear Bearing - Fits IA/IB/IC & EZ-Shift, MC-I, R, MR, Alpha One & Gen II - 30-88957T

    Mercury

    Mercury Mercruiser - Reverse Gear Bearing - Fits IA/IB/IC & EZ-Shift, MC-I, R, MR, Alpha One & Gen II - 30-88957T

    $54.79 $64.50
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  • Mercury Mercruiser - Reverse Gear Bearing - Fits 60 - 30-20839T

    Mercury

    Mercury Mercruiser - Reverse Gear Bearing - Fits 60 - 30-20839T

    $67.88 $79.92
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  • Mercury Mercruiser - Reverse Gear Bearing - Fits Bravo III - 31-8M0103477

    Mercury

    Mercury Mercruiser - Reverse Gear Bearing - Fits Bravo III - 31-8M0103477

    $144.75 $171.50
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  • Mercury Mercruiser - Forward Gear Bearing - Fits 80, 90, I, IA/IB/IC & EZ-Shift, MC-I, R, MR, Alpha One & Gen II - 31-30895T

    Mercury

    Mercury Mercruiser - Forward Gear Bearing - Fits 80, 90, I, IA/IB/IC & EZ-Shift, MC-I, R, MR, Alpha One & Gen II - 31-30895T

    $17.62 $20.75
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  • Mercury Mercruiser - Bearing Assembly - 31-8M0103476

    Mercury

    Mercury Mercruiser - Bearing Assembly - 31-8M0103476

    $44.81 $52.75
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  • Mercury Mercruiser - Upper Driveshaft Bearing - Fits Bravo - 31-815901

    Mercury

    Mercury Mercruiser - Upper Driveshaft Bearing - Fits Bravo - 31-815901

    $53.94 $63.50
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  • Mercury Mercruiser - Thrust Ring - Fits MR, Alpha One & Gen II - 681001

    Mercury

    Mercury Mercruiser - Thrust Ring - Fits MR, Alpha One & Gen II - 681001

    $13.31 $18.80
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  • Mercury Mercruiser - Reverse Gear Bearing - Fits 215E/H & TR - 31-8M0103474

    Mercury

    Mercury Mercruiser - Reverse Gear Bearing - Fits 215E/H & TR - 31-8M0103474

    $75.88 $89.33
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  • Mercury Mercruiser - Gear Repair Kit - Fits Bravo I & I X - 43-803081T02

    Mercury

    Mercury Mercruiser - Gear Repair Kit - Fits Bravo I & I X - 43-803081T02

    $1,153.65 $1,233.07
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  • Mercury Mercruiser - Gear Bearing - Fits MR, Alpha One & Gen II - 31-815480

    Mercury

    Mercury Mercruiser - Gear Bearing - Fits MR, Alpha One & Gen II - 31-815480

    $27.61 $32.50
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  • Mercury Mercruiser - Bearing - Fits MR, Alpha One & Gen II - 31-814653T

    Mercury

    Mercury Mercruiser - Bearing - Fits MR, Alpha One & Gen II - 31-814653T

    $88.34 $104.00
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  • Mercury Mercruiser - Gear Repair Kit - Fits Alpha One Gen II - 43-803074T1

    Mercury

    Mercury Mercruiser - Gear Repair Kit - Fits Alpha One Gen II - 43-803074T1

    $1,009.64 $1,079.14
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  • Mercury Mercruiser - Upper Driveshaft Bearing - Fits MC-I & R Drive - 31-53079A1

    Mercury

    Mercury Mercruiser - Upper Driveshaft Bearing - Fits MC-I & R Drive - 31-53079A1

    $33.98 $40.00
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  • Mercury Mercruiser - Spacer Shim - .208 in. - 23-1761514

    Mercury

    Mercury Mercruiser - Spacer Shim - .208 in. - 23-1761514

    $45.58 $53.67
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  • Mercury Mercruiser - Reverse Gear Bearing - Fits MR, Alpha One & Gen II - 31-815482

    Mercury

    Mercury Mercruiser - Reverse Gear Bearing - Fits MR, Alpha One & Gen II - 31-815482

    $47.92 $56.42
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  • Mercury Mercruiser - Reverse Gear Bearing - Fits I , 80 & 90 - 30-31265

    Mercury

    Mercury Mercruiser - Reverse Gear Bearing - Fits I , 80 & 90 - 30-31265

    $86.64 $102.00
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  • Mercury Mercruiser - Reverse Gear Bearing - Fits Vazer - 30-860081

    Mercury

    Mercury Mercruiser - Reverse Gear Bearing - Fits Vazer - 30-860081

    $54.79 $64.50
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  • Mercury Mercruiser - Reverse Gear Bearing - Fits Alpha One Gen II - 31-15844

    Mercury

    Mercury Mercruiser - Reverse Gear Bearing - Fits Alpha One Gen II - 31-15844

    $18.05 $21.25
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  • Mercury Mercruiser - O-Ring - 4.600 x .210 - 25-34821

    Mercury

    Mercury Mercruiser - O-Ring - 4.600 x .210 - 25-34821

    $5.59 $7.90
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  • Mercury Mercruiser - Lower Driveshaft Bearing - Fits Renault 60 - 31-62091T

    Mercury

    Mercury Mercruiser - Lower Driveshaft Bearing - Fits Renault 60 - 31-62091T

    $58.25 $68.58
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  • Mercury Mercruiser - Lower Driveshaft Bearing - Fits MC-I Drive & Vazer - 31-35934A1

    Mercury

    Mercury Mercruiser - Lower Driveshaft Bearing - Fits MC-I Drive & Vazer - 31-35934A1

    $16.99 $20.00
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  • Mercury Mercruiser - Lower Driveshaft Bearing - Fits MC-I & R Drive - 31-92366A1

    Mercury

    Mercury Mercruiser - Lower Driveshaft Bearing - Fits MC-I & R Drive - 31-92366A1

    $26.90 $31.67
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  • Mercury Mercruiser - Lower Driveshaft Bearing - Fits TRS & 215E/H - 31-68290A1

    Mercury

    Mercury Mercruiser - Lower Driveshaft Bearing - Fits TRS & 215E/H - 31-68290A1

    $183.23 $217.08
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  • Mercury Mercruiser - Gear Repair Kit - Fits MR & Alpha One - 43-803091T1

    Mercury

    Mercury Mercruiser - Gear Repair Kit - Fits MR & Alpha One - 43-803091T1

    $1,049.93 $1,122.21
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  • Mercury Mercruiser - Gear Repair Kit - Standard Rotation - Fits Alpha One Gen II - 43-803073T1

    Mercury

    Mercury Mercruiser - Gear Repair Kit - Standard Rotation - Fits Alpha One Gen II - 43-803073T1

    $966.86 $1,054.14
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  • Mercury Mercruiser - Forward Gear Bearing - Fits MR & Alpha One - 31-42679

    Mercury

    Mercury Mercruiser - Forward Gear Bearing - Fits MR & Alpha One - 31-42679

    $29.87 $35.17
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  • Mercury Mercruiser - Forward Gear Bearing - 31-20249

    Mercury

    Mercury Mercruiser - Forward Gear Bearing - 31-20249

    $30.51 $35.92
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  • Mercury Mercruiser - Forward Gear Bearing - Fits MR, Alpha One & Gen II - 31-15841

    Mercury

    Mercury Mercruiser - Forward Gear Bearing - Fits MR, Alpha One & Gen II - 31-15841

    $53.65 $63.17
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