Description

Restore proper gear operation in your sterndrive with the Mercury MerCruiser Gear Set 8M0060005. This genuine Mercury Marine OEM gear kit is designed for Bravo-series sterndrives and is used in the upper gear housing of the drive.

The gear set includes 23/30 tooth gears with a low-bump sleeve design, engineered to provide reliable torque transfer from the engine to the propeller through the sterndrive gearbox. Using OEM Mercury gears ensures proper gear mesh, durability, and smooth power delivery under heavy marine loads.

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Key Features

• Genuine Mercury Marine OEM upper gear set

• 23/30-tooth gear configuration

• Designed for Bravo sterndrive upper gear housing

• Precision-machined gears for proper gear mesh and durability

• Supports reliable torque transfer from engine to propeller

• Direct replacement for original Mercury gear components

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Part Details

OEM Part Number: 8M0060005
Mercury Reference Number: 43-8M0060005
Product Type: Sterndrive upper gear set
Gear Configuration:30 / 23 teeth
Application: Bravo sterndrive upper gear housing

Weight: Approx. 9.8 lb (4.4 kg)

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Compatible MerCruiser Drives

Designed for MerCruiser Bravo sterndrives, including:

MerCruiser Sterndrives

• Bravo One – 1.65 gear ratio

• Bravo Two – 2.20 gear ratio

• Bravo Three – 2.20 and 2.43 gear ratios

Typical Serial Number Range

• Drives with serial numbers 0W250000 and newer.

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Common Engine Packages Using These Drives

Bravo drives using this gear set are commonly paired with engines such as:

• MerCruiser 4.3L V6

• MerCruiser 5.0L V8

• MerCruiser 5.7L V8

• MerCruiser 6.2L V8

• MerCruiser 7.4L V8

• MerCruiser 8.2L V8

These combinations are widely used on performance runabouts, cruisers, and offshore boats.

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Function

The gear set inside the sterndrive transfers engine power through the upper gear housing to the driveshaft and propeller shaft. Proper gear alignment and tooth engagement are critical for efficient power transfer and long sterndrive life.

Replacing worn or damaged gears helps:

• Restore proper sterndrive operation

• Prevent gear noise or vibration

• Maintain correct gear ratios and power delivery

• Protect internal sterndrive components

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Important Compatibility Note

Gear sets vary depending on drive model, gear ratio, and serial number range. Always verify compatibility using the sterndrive serial number before ordering to ensure the correct gear set.

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Shipping: Ships same or next day for fast Canada wide shipping.