# 93210-41042 Yamaha O-Ring | Genuine OEM Yamaha Outboard Part

🔧 Product Description

  

Genuine Yamaha Lower Gearcase Seal Carrier and Water Pump O-Ring - Part Number: 93210-41042

  

A genuine Yamaha O-ring used in selected lower-unit driveshaft seal carriers, water-pump bases and hydraulic trim-cylinder assemblies.

  

The installation position depends on the engine. In compatible gearcases it seals the driveshaft seal carrier or pump base, while selected trim systems use it as a hydraulic cylinder O-ring.

  

⚙️ Key Features

  

• Genuine Yamaha OEM multi-application O-ring

• Correct Yamaha part number 93210-41042

• Current replacement for 93210-43043 and 341-81834-10

• Used in lower-unit and power-trim assemblies

• Sierra, GLM and Mercury equivalents available

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 93210-41042-00 → Supersedes 93210-43043-00

• 93210-41042-00 → Supersedes 341-81834-10-00

• 93210-43043-00 and 341-81834-10-00 earlier Yamaha references

  

OEM / Related Numbers:

  

• 93210-41042

• 93210-41042-00

• 932104104200

• 93210-43043-00

• 341-81834-10-00

• Mercury / Mariner: 25-82275M

• Mercury / Mariner: 82275M

  

Aftermarket / Verified Equivalents:

  

• Sierra: 18-0298

• GLM: 84260

• Mercury / Mariner: 25-82275M

• Parsun: 93210-41042 / 93210-43043 replacement

  

🚤 Compatibility

  

Commonly used on:

  

• Yamaha lower-unit driveshaft seal carriers and water-pump bases

• Selected Yamaha hydraulic trim-cylinder assemblies

  

Typically suits:

  

• Engine models:

• Yamaha 25J and 25HP two-stroke

• Yamaha 30D and 30HP

• Yamaha 40N, 40H and 40V

• Yamaha 50D and 50H

• Yamaha 55B and 55BE

• Yamaha 60F

• Yamaha 70B

• Yamaha F40C trim assemblies

• Yamaha F50A and F50D trim assemblies

• Yamaha FT50C and FT60B high-thrust trim assemblies

• Yamaha F350A trim-cylinder applications

• Selected Yamaha bracket assemblies on 150HP and 175HP outboards

  

• HP Range: 25HP - 70HP for primary lower-unit applications; additional large trim applications where specified

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

• Year Range: Approximately 1980s onward, dependent on assembly

  

🔌 Function

  

In the gearcase, the O-ring seals the driveshaft carrier or water-pump base against the lower-unit housing. In trim applications, it seals the hydraulic cylinder or related end-cap component.

  

Common signs of failure:

  

• Gear oil or water leaks around the driveshaft carrier

• Lower-unit lubricant becomes milky

• Cooling-water pressure is reduced

• Hydraulic trim fluid leaks around the cylinder

• O-ring becomes cut, flattened or chemically swollen

  

📦 Condition

  

• Genuine Yamaha part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 7.41 AUD
- **Vendor:** Yamaha Pitmans Marine
- **Tags:** Yamaha Marine Parts | Outboard Engine Parts & Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 7.41 AUD | In stock |

## Images

- 93210-41042 Yamaha O-Ring | Genuine OEM Yamaha Outboard Part
- 93210-41042 Yamaha O-Ring | Genuine OEM Yamaha Outboard Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/93210-41042-o-ring)
> Updated: 2026-07-18