# 0342786 Evinrude Johnson Seal | Genuine OEM BRP Outboard Part

🔧 Product Description

  

Genuine BRP Evinrude Johnson Upper Driveshaft Oil Seal - Part Number: 0342786

  

A genuine BRP 0.750-series gearcase oil seal for selected 35HP to 70HP Evinrude and Johnson outboards.

  

The seal fits in the upper driveshaft bearing housing and seals around the vertical driveshaft beneath the water-pump assembly.

  

⚙️ Key Features

  

• Genuine BRP Evinrude Johnson OEM driveshaft oil seal

• Correct BRP part number 0342786

• BRP description: oil seal, 0.750

• Used in small and large 40HP to 70HP gearcase families

• Sierra, GLM and Mallory replacements available

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 0342786 current BRP driveshaft-seal reference

  

OEM / Related Numbers:

  

• 0342786

• 342786

• Related upper driveshaft bearing housing and gearcase-head O-rings

• Included in compatible BRP lower-unit seal kits

  

Aftermarket / Verified Equivalents:

  

• Sierra: 18-8325

• GLM: 86013

• Mallory: 9-76586

• Promt Parts: PP-0342786

  

🚤 Compatibility

  

Commonly used on:

  

• Small-gearcase two-cylinder loop-charged outboards

• Three-cylinder loop-charged gearcases

• Evinrude E-TEC F-Type gearcases

  

Typically suits:

  

• 35HP selected gearcases

• 40HP - approximately 1996-2010

• 45HP - approximately 1996-1997

• 48HP - approximately 1996

• 50HP - approximately 1996-2010

• 55HP - approximately 1996-2010

• 60HP - approximately 1996-2010

• 65HP - including commercial and E-TEC applications

• 70HP - approximately 1996-2001

• Evinrude E-TEC 40HP, 50HP, 55HP, 60HP and 65HP F-Type gearcases

  

• HP Range: 35HP - 70HP

• Engine Type: Evinrude Johnson loop-charged two-stroke and E-TEC outboard

• Year Range: Approximately 1975 - 2011, dependent on gearcase family

  

🔌 Function

  

The seal retains lower-unit lubricant around the driveshaft and prevents water entering beneath the water-pump assembly.

  

Common signs of failure:

  

• Milky or emulsified gear oil

• Oil leakage beneath the water pump

• Gearcase fails pressure or vacuum testing

• Driveshaft sealing surface is grooved

• Seal lip becomes hard or damaged

• Corrosion develops in the upper bearing housing

  

📦 Condition

  

• Genuine BRP part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 14.47 AUD
- **Vendor:** BRP (Evinrude/Johnson)
- **Tags:** Evinrude Johnson Outboard Parts | BRP Marine Engine Parts & Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 14.47 AUD | In stock |

## Images

- 0342786 Evinrude Johnson Seal | Genuine OEM BRP Outboard Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/0342786-seal)
> Updated: 2026-07-12