Compatible Applications

OEM Part Numbers & Cross References

What This Forward Gear Bearing is Used For

This tapered bearing is used inside compatible Yamaha lower unit assemblies to support the forward gear assembly.

The forward gear bearing helps maintain proper gear alignment, supports drivetrain load, and allows the forward gear to operate correctly inside the gearcase.

Counter-rotation lower units place unique loading demands on the gearcase, making proper bearing condition critical for drivetrain reliability.

Worn or damaged lower unit bearings may contribute to gearcase noise, metal contamination, vibration, gear wear, or lower unit failure.

Replacing worn bearings during lower unit rebuilds helps restore proper gearcase operation and drivetrain reliability.

Key Features and Benefits

• Pro Marine aftermarket tapered forward gear bearing
• Replaces Yamaha OEM bearing 93332-00048-00
• Primarily fits Yamaha counter-rotation lower units
• Used in select LF, LZ, LX, offshore, and left-hand gearcase applications
• Supports forward gear alignment and drivetrain load handling
• Common replacement during lower unit rebuild service
• Designed for compatible Yamaha offshore and counter-rotation gearcases
• Aftermarket alternative to OEM Yamaha bearing

Forward Gear Bearing Details

• Brand: Pro Marine
• Part Type: Tapered Forward Gear Bearing
• Pro Marine Part Number: 84233P
• Replaces OEM: Yamaha 93332-00048-00
• Application: Yamaha Counter Rotation Lower Units
• System: Lower Unit / Drivetrain
• Use: Forward gear support bearing
• Quantity Sold: Each

FAQ

What does Pro Marine 84233P replace?
This Pro Marine bearing replaces Yamaha OEM part number 93332-00048-00.

What engines does this bearing fit?
This bearing primarily fits Yamaha counter-rotation lower units including many LF-series, LZ-series, offshore, HPDI, and left-hand gearcase applications from 150-350HP.

Does this fit standard rotation lower units?
Some Yamaha F-series applications use this bearing only within specific counter-rotation gearcase configurations rather than standard rotation lower units.

What does this bearing do?
It supports the forward gear assembly inside the lower unit and helps maintain proper gear alignment and drivetrain operation.

Can worn bearings damage a lower unit?
Yes. Worn or damaged bearings may contribute to excessive wear, noise, vibration, metal contamination, and gearcase failure.

Is this an OEM Yamaha bearing?
No. This is a Pro Marine aftermarket replacement bearing.

Should I verify fitment before ordering?
Yes. Yamaha used multiple gearcase designs depending on horsepower, offshore configuration, rotation, shaft length, and production range.

Searchable Terms

84233P, 93332-00048-00, 933320004800, Yamaha counter rotation bearing, Yamaha forward gear bearing, Yamaha tapered bearing, Yamaha lower unit bearing, Yamaha offshore bearing, Yamaha LF bearing, Yamaha LZ bearing, Yamaha HPDI bearing, Yamaha counter rotation lower unit bearing, Yamaha left hand gearcase bearing, Yamaha offshore gearcase bearing, Yamaha drivetrain bearing, lower unit tapered bearing, forward gear support bearing