# 93101-25M57 Yamaha Oil Seal (62x) | Genuine OEM Yamaha Outboard Part

🔧 Product Description

  

Genuine Yamaha Driveshaft Oil Seal 23mm x 35.5mm x 6mm - Part Number: 93101-25M57

  

A genuine Yamaha S-type oil seal fitted around the lower-unit driveshaft on selected 40HP to 60HP outboards.

  

The seal is positioned beneath the water-pump assembly and protects the gearcase from cooling-water intrusion while retaining the lower-unit lubricant.

  

⚙️ Key Features

  

• Genuine Yamaha OEM driveshaft oil seal

• Correct Yamaha part number 93101-25M57

• Approximate dimensions: 23mm inside diameter x 35mm to 35.5mm outside diameter x 6mm width

• Used on selected two-stroke and four-stroke lower units

• GLM and Recmar replacement seals available

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 93101-25M57 current Yamaha OEM service reference

• 93101-22M00 related earlier driveshaft-seal reference

  

OEM / Related Numbers:

  

• 93101-25M57

• 93101-25M57-00

• 9310125M5700

• 93101-22M00

  

Aftermarket / Verified Equivalents:

  

• GLM: 85224

• Recmar: REC93101-25M57

• Outboard Spares: OSOSM57

• Direct replacement seal: 23mm x 35.5mm x 6mm

  

🚤 Compatibility

  

Commonly used on:

  

• Yamaha mid-range lower-unit driveshaft seal carriers

  

Typically suits:

  

• Engine models:

• Yamaha C40 two-stroke

• Yamaha 40HP and 40V two-stroke

• Yamaha C50 and 50HP two-stroke

• Yamaha F40A, F40D and F40H four-stroke

• Yamaha F50A, F50D, F50F and F50H four-stroke

• Yamaha T50 high-thrust four-stroke

• Yamaha F60A, F60B, F60C and F60F four-stroke

• Yamaha T60 high-thrust four-stroke

  

• HP Range: 40HP - 60HP

• Engine Type: Yamaha two-stroke and four-stroke outboard

• Year Range: Approximately 1996 - 2019, dependent on gearcase

  

🔌 Function

  

The seal prevents cooling water from entering the gearcase around the driveshaft and stops gear lubricant from leaking into the water-pump cavity.

  

Common signs of failure:

  

• Milky or emulsified lower-unit lubricant

• Oil collecting beneath the water-pump base

• Gearcase will not hold pressure or vacuum

• Seal lip is cut, hardened or distorted

• Driveshaft has a wear groove at the sealing surface

  

📦 Condition

  

• Genuine Yamaha part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 22.0 AUD
- **Vendor:** Yamaha
- **Tags:** Yamaha Marine Parts | Outboard Engine Parts & Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 22.00 AUD | In stock |

## Images

- 93101-25M57 Yamaha Oil Seal (62x) | Genuine OEM Yamaha Outboard Part
- 93101-25M57 Yamaha Oil Seal (62x) | Genuine OEM Yamaha Outboard Part
- 93101-25M57 Yamaha Oil Seal (62x) | Genuine OEM Yamaha Outboard Part

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/93101-25m57-oil-seal-62x)
> Updated: 2026-07-11