# 0389042 Evinrude Johnson THR - Bearing | Genuine OEM BRP Outboard Part

🔧 Product Description

  

Genuine BRP Evinrude Johnson Forward Gear Thrust Bearing - Part Number: 0389042

  

A genuine BRP forward-gear thrust-bearing assembly used in selected large Evinrude, Johnson and OMC gearcases.

  

The bearing carries axial force generated by the forward gear and propeller load, helping keep the gear correctly positioned against its thrust surfaces.

  

⚙️ Key Features

  

• Genuine BRP OEM forward-gear thrust bearing

• Correct OEM part number 0389042

• Designed for large V4 and V6 gearcases

• Precision axial-load bearing assembly

• Used in selected outboard and OMC Cobra applications

• Sierra, GLM and SEI replacements available

  

🔄 Supersession & Cross Reference

  

OEM / Related Numbers:

  

• 0389042

• 389042

• 0777579

• 777579

• OEM Description: Thrust Bearing, Forward Gear

  

Aftermarket / Verified Equivalents:

  

• Sierra: 18-1370

• GLM: 16340

• SEI Marine: 93-306-19

• AM-series: AM389042

• Aftermarket 800-series forward-gear thrust bearing

  

🚤 Compatibility

  

Commonly used on selected:

  

• Large V4 Evinrude and Johnson gearcases

• V6 Evinrude and Johnson gearcases

• Counter-rotation lower units where specified

• OMC Cobra V6 and V8 sterndrive gearcases

  

Representative outboard horsepower range:

  

• 90HP-225HP on applicable large-gearcase models

  

Important fitment note:

  

• Confirm the forward-gear design and gearcase model.

• This bearing is not interchangeable with other forward- or reverse-gear thrust bearings solely because their dimensions appear similar.

• Thrust washers and shim packs must be installed in the original sequence.

  

🔌 Function

  

The bearing allows the forward gear to rotate while carrying axial propulsion force.

  

Common signs of failure:

  

• Whining in forward gear

• Excessive forward-gear end float

• Gearcase lubricant contains metal

• Pitted bearing rollers or races

• Heat discolouration

• Gear tooth contact moves towards the edge

• Gearcase jumps or clunks under load

  

Installation considerations:

  

• Inspect the forward gear and thrust surfaces

• Check mating washers and races

• Set end float to specification

• Remove all metal contamination

• Confirm the clutch dog and reverse gear are serviceable

• Fill with the specified high-performance gear lubricant

• Pressure- and vacuum-test the gearcase

  

📦 Condition

  

• Genuine BRP Evinrude Johnson OEM part

• Brand new

• Supplied in genuine or equivalent protective packaging

## Details

- **Price:** 105.48 AUD
- **Vendor:** BRP (Evinrude/Johnson)
- **Tags:** Evinrude Johnson Outboard Parts | BRP Marine Engine Parts & Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 105.48 AUD | In stock |

## Images

- 0389042 Evinrude Johnson THR - Bearing | Genuine OEM BRP Outboard Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/0389042-thr-bearing-brp-johnson-evinrude)
> Updated: 2026-07-12