Serial 0B721206 Thru 0D805068 - Alpha Drives

Oil Seal Driver 91-31108T
Your Price:
$64.99

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Special Order OEM Mercruiser Parts can take up to 7-10 business days to ship.

Oil Seal Driver 91-31108T

525-91-31108T

Oil Seal Driver 91-31108T

Installs the oil seals in the bearing carrier on the MC-1, R-MR, Alpha One and Alpha One Gen II drive units.

Supersedes: 91-31108

Supercedes: 91-31108


Oil Seal Driver 91-817569T
Your Price:
$23.99

This Part has options, please click the button below to order.

Special Order OEM Mercruiser Parts can take up to 7-10 business days to ship.

Oil Seal Driver 91-817569T

525-91-817569T

Oil Seal Driver 91-817569T

Installs and removes the Alpha One Gen II counter rotating bearing carrier seals; also, install seals in the drive shaft seal carrier.

Supersedes: 91-817569

Supercedes: 91-817569


Pilot Washer 91-36571T
Your Price:
$27.39

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Special Order OEM Mercruiser Parts can take up to 7-10 business days to ship.

Pilot Washer 91-36571T

525-91-36571T

Pilot Washer 91-36571T

Use as a centering guide to install the pinion bearing in the MC-1, R-MR, Alpha One and Alpha One Gen II drive units.

Supercedes: 91-36571


Pilot Washer 91-37350T
Your Price:
$26.59

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Special Order OEM Mercruiser Parts can take up to 7-10 business days to ship.

Pilot Washer 91-37350T

525-91-37350T

Pilot Washer 91-37350T

Use with 91-31229A7 Universal Bearing Puller Kit.

Supercedes: 91-37350


Pinion Bearing Removal & Installation Tool Assembly
Your Price:
$117.99

Pinion Bearing Removal & Installation Tool Assembly

700-90295

Pinion Bearing Removal & Installation Tool Assembly

Installs & removes pinion bearing on MC-1 / R / MR / Alpha One / Alpha One Gen II drive units.

Kit Contains:

Part # MerCruiser # Description   Part # MerCruiser # Description
700-90260 91-38628T Pinion Bearing Installation Tool   700-90270 91-36569T Driver Head
700-90280 91-31229 Puller Rod   700-90290 N/A Spacer

Pinion Gear Shimming Tool 91-56048001
Your Price:
$357.99

Pinion Gear Shimming Tool 91-56048001

700-90160

Pinion Gear Shimming Tool replaces MerCruiser part # 91-56048001

Measures pinion height of MC-1 / R / MR / Alpha One / Alpha One Gen II drive units


Pinion Gear Shimming Tool 91-56048001
Your Price:
$405.99

This Part has options, please click the button below to order.

Special Order OEM Mercruiser Parts can take up to 7-10 business days to ship.

Pinion Gear Shimming Tool 91-56048001

525-91-56048001

Pinion Gear Shimming Tool 91-56048001

Measures the pinion heights of the MC-1, R-MR Alpha One and Alpha One Gen II drive units.


Pinion Nut Adaptor 91-61067A04
Your Price:
$283.49

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Special Order OEM Mercruiser Parts can take up to 7-10 business days to ship.

Pinion Nut Adaptor 91-61067A04

525-91-61067A04

Pinion Nut Adaptor 91-61067A04

Holds the pinion nut when removing the pinion gear and drive shaft on the MC-1, R-MR and Alpha One drive units.

Supercedes: 91-61067A1, 91-61067A2, 91-61067A3, 91-61067A3


Pinion Nut Wrench 91-61067T03
Your Price:
$187.99

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Special Order OEM Mercruiser Parts can take up to 7-10 business days to ship.

Pinion Nut Wrench 91-61067T03

525-91-61067T03

Pinion Nut Wrench 91-61067T03

Holds the pinion nut when removing the pinion gear and driveshaft.

Supercedes: 91-610672, 91-61067003


Pipe Tap 91-95639
Your Price:
$49.49

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Special Order OEM Mercruiser Parts can take up to 7-10 business days to ship.

Pipe Tap 91-95639

525-91-95639

Pipe Tap 91-95639

Taps the bell housing for shift cable installation on the MC-1, R-MR and Alpha One drive units.


Plate Puller 91-29310
Your Price:
$39.49

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Special Order OEM Mercruiser Parts can take up to 7-10 business days to ship.

Plate Puller 91-29310

525-91-29310

Plate Puller 91-29310

Use as a guide to remove and install the gimbal bearing on the MC-1, R-MR, Alpha One, Alpha One Gen II, Blackhawk and all Bravo drive units.


Power Steering Adapter Kit 91-806908A02
Your Price:
$177.99

This Part has options, please click the button below to order.

Special Order OEM Mercruiser Parts can take up to 7-10 business days to ship.

Power Steering Adapter Kit 91-806908A02

525-91-806908A02

Power Steering Adapter Kit 91-806908A02

Adapts power steering test gauge (91-385053A05) to test power steering control valves.


Power Steering Test Gauge Kit 91-38053A05
Your Price:
$387.99

This Part has options, please click the button below to order.

Special Order OEM Mercruiser Parts can take up to 7-10 business days to ship.

Power Steering Test Gauge Kit 91-38053A05

525-91-38053A05

Power Steering Test Gauge Kit 91-38053A05

Tests the power steering system pressure.


Propeller Shaft Adaptor 91-61077T
Your Price:
$89.99

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Special Order OEM Mercruiser Parts can take up to 7-10 business days to ship.

Propeller Shaft Adaptor 91-61077T

525-91-61077T

Propeller Shaft Adaptor 91-61077T

Provides a wrench surface to turn the propeller shaft on the MC-1, R-MR, Alpha One, Alpha One Gen II, Balckhawk and all Bravo drive units.

Supersedes: 91-61077

Supercedes: 91-61077


Puller Head 91-38919
Your Price:
$59.99

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Special Order OEM Mercruiser Parts can take up to 7-10 business days to ship.

Puller Head 91-38919

525-91-38919

Puller Head 91-38919

Removes the swivel pins from the R-MR and Alpha One gimbal rings.


Puller Head 91-63616T
Your Price:
$54.99

This Part has options, please click the button below to order.

Special Order OEM Mercruiser Parts can take up to 7-10 business days to ship.

Puller Head 91-63616T

525-91-63616T

Puller Head 91-63616T

Remove the upper swivel shaft on MC-1, R-MR, Alpha One and Alpha One Gen II gimbal rings.
Bravo One, Bravo Two and Bravo Three High Performance drive units hinge pin puller.

Supercedes: 91-63616


Puller Jaw Assembly 91-46086A1
Your Price:
$526.49

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Special Order OEM Mercruiser Parts can take up to 7-10 business days to ship.

Puller Jaw Assembly 91-46086A1

525-91-46086A1

Puller Jaw Assembly 91-46086A1

Removes bearing carrier on the MC-1, R-MR, Alpha One and Alpha One Gen II drive units. Use with 91-85716.


Reverse Gear Needle Bearing Driver 91-816244
Your Price:
$70.99

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Special Order OEM Mercruiser Parts can take up to 7-10 business days to ship.

Reverse Gear Needle Bearing Driver 91-816244

525-91-816244

Reverse Gear Needle Bearing Driver 91-816244

Installs the needle bearings into the reverse gear of the Alpha One and Alpha One Gen II counter rotating gear case.


Roller Bearing Removal and Installation Tool 91-37292
Your Price:
$36.99

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Special Order OEM Mercruiser Parts can take up to 7-10 business days to ship.

Roller Bearing Removal and Installation Tool 91-37292

525-91-37292

Roller Bearing Removal and Installation Tool 91-37292

Part of 91-31229A7 Bearing Removal and Installation Tool Assembly, use with the threaded puller rod or driver rod.


Seal and Bushing Installation Tool 91-806928A1
Your Price:
$83.49

This Part has options, please click the button below to order.

Special Order OEM Mercruiser Parts can take up to 7-10 business days to ship.

Seal and Bushing Installation Tool 91-806928A1

525-91-806928A1

Seal and Bushing Installation Tool 91-806928A1

Installs the shift shaft bushings in the Alpha One Gen II drives with serial number 0F094775 and Above.