Without the proper tools, you can easily waste time and money trying to remove stubborn bearing carriers, turn drive shafts, and so on. Worse, you can end up damaging the surrounding surfaces in the process. So we’ve developed various inboard/outboard wrenches, adapters, pullers, and other tools to help make the job as fast, easy, and safe as possible.

Bravo 1 and Bravo II Drive Shaft Adapter 91-61077T (SKU #: AMT0065): $25.77

This drive shaft adapter makes it easy to turn the drive shaft on Bravo I and II outdrive lower units. It’s also compatible with the MC-I, R-MR, Alpha One, Alpha One/Gen II, Bravo One dnd TRS drive unit propeller shafts.

Alpha Drive Shaft Adapter 91-56775T (SKU #: AMT0063): $25.77

This drive shaft adapter makes it easy to turn the drive shaft on various outboards and drive units, including MC-I, R-MR, Alpha One, and Alpha One/Gen II.

Alpha One, Bravo Spanner Nut Wrench 91-17256 (SKU #: AMT0057): $37.00

This heavy-duty spanner nut wrench easily removes or installs drive shaft bearing retainers on MC-1/Alpha One/Alpha One Gen II, Blackhawk, and Bravo units. Its thick steel and long handle make it extra easy to use.

Bearing Retainer Tool 91-805382 (SKU #: AMT0061): $79.00

This bearing retainer tool allows for easy removal or installation of Bravo III bearing carrier retainers.

Bearing Retainer Tool Bravo III 91-805382T (SKU #: AMT0064): $177.00

This bearing retaining tool is compatible with Mercruiser Bravo III drives for easy installation or removal of Mercruiser bearing retainer tools.

Bravo II Prop Nut Socket 805457-1 (SKU #: AMT0062): $49.00

This prop nut socket is compatible with Mercruiser Bravo II units for use on the prop nut.

Mercury Bearing Retainer Wrench Replacement 91-43506T (SKU #: AMT0071): $39.99

This bearing retainer wrench replacement is compatible with select Mercruiser Sterndrives and Mercury outboard gearcases for easy removal or installation of the driveshaft bearing retainer nut. It replaces Mercury 91-43506, GLM 90240, and Sierra 18-9842.

Clamp Plate Mercury 91-43559T (SKU #: AMT0079): $29.77

This clamp plate is compatible with all Bravo drive units. It holds a preload while you check the backlash and bearing preload.

Gimbal Bearing Alignment and Install Kit (SKU #: K1008): $64.00

This bearing alignment and install kit includes the two-piece tool and bearing install adapter. It allows you to easily align the drive shaft receiver to the gimbal bearing and to install the drive shaft seal and gimbal bearing. Unlike competitor designs, this kit does not require you to drill a hole in the alignment tool.

Gimbal Bearing Puller (SKU #: AMT0040): $159.00

This gimbal bearing puller locks onto the bell housing gimbal bearing of common outboard motors for easy, non-slip removal. It’s compatible with Mercruiser Alpha, Alpha 1, MR, Bravo, OMC, Cobra, and Volvo.

Lower Bearing Carrier Puller (SKU #: AMT0017): $184.00

This lower bearing carrier puller easily and safely removes lower bearing housings. It’s compatible with Yamaha, Johnson, Evinrude, Mercury, Honda, and Mercruiser, and its adjustable arms fit most gearcases 115 hp and above.

Lower Retaining Ring Wrench - Set (SKU #: K1003): $299.00

This retaining ring wrench set includes eight Marine Tech retaining ring wrenches and a wrench handle. The wrenches are compatible with Yamaha, Honda, Mercury, and Mercruiser lower carrier nuts.

Mercruiser Oil Seal Driver for Bearing Carrier 91-31108 (SKU #: AMT0067): $18.97

This oil seal driver makes it easy to install prop shaft seals in Mercruiser MC-1, R, MR, Alpha One, Gen II, and Bravo One sterndrives, as well as Mercury V6 outboard gearcases.

Shift Shaft Bushing Tool (SKU #: AMT0068): $17.99

This shift shaft bushing tool quickly and easily removes or installs the shift shaft bushing on Alpha One Generation I sterndrives and some Mercury outboard gearcases.

Volvo Penta Bearing Carrier Remover - 3850707 (SKU #: AMT0074): $68.00

This bearing carrier remover works in tandem with our wrench handle (AMT0031) to easily remove bearing carriers.

Volvo Penta Prop Nut Wrench - 3855876 (SKU #: AMT0076): $39.99

This prop nut wrench easily removes duo prop front propeller nuts on front prop or single prop Volvo Penta drive units. It can be used with either a 1/2" ratchet or our wrench handle (AMT0031).

Volvo Penta Retaining Ring Wrench Replacement - 385587 (SKU #: AMT0073): $70.00

This retaining ring wrench replacement removes the ring on Volvo Penta lower units for easy removal of the bearing carrier. It replaces the Volvo Penta 385587.

Adapter, Lifting, OMC, BRP (SKU #: AMT0046): $51.00

This lifting adapter is part of our universal lifting system and fastens directly to the flywheel to lift the engine. It’s designed for use on outboards without built-in lifting rings, and is compatible with OMC, BRP flywheels. The adapter comes with mounting screws.

Shop Marine Tech for All Your Inboard/Outboard Needs

As boat owners ourselves, we know firsthand how important it is to have the right tools for each repair or maintenance job. We use all of our tools on our own boats, and proudly offer 24/7 online support, free shipping on all domestic orders, and a 100% money-back guarantee on your purchases.

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