# 93210-25552 Yamaha O-Ring | Genuine OEM Yamaha Outboard Part

🔧 Product Description

  

Genuine Yamaha V6 Four-Stroke Crankcase O-Ring - Part Number: 93210-25552

  

A genuine Yamaha crankcase and cylinder-block O-ring for selected V6 four-stroke outboards.

  

The O-ring seals an internal crankcase oil passage or cylinder-block joint, preventing engine-oil leakage and maintaining correct lubrication-system pressure.

  

⚙️ Key Features

  

• Genuine Yamaha OEM crankcase O-ring

• Correct Yamaha part number 93210-25552

• Current replacement for earlier 93210-25803

• Used on Yamaha 3.3L V6 four-stroke engines

• Shared with selected Mercury four-stroke applications

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 93210-25552-00 → Supersedes 93210-25803-00

• 93210-25803-00 earlier Yamaha O-ring reference

  

OEM / Related Numbers:

  

• 93210-25552

• 93210-25552-00

• 932102555200

• 93210-25803-00

• Mercury / Mariner: 25-887812

• Mercury / Mariner: 887812

  

Aftermarket / Verified Equivalents:

  

• Mercury / Mariner: 25-887812

• Offshore Marine: 121-17-25552

• Direct replacement crankcase O-ring: 93210-25552-00

  

🚤 Compatibility

  

Commonly used on:

  

• Yamaha 3.3L V6 four-stroke crankcase and oil-system assemblies

  

Typically suits:

  

• Engine models:

• Yamaha F200A

• Yamaha LF200A and FL200A

• Yamaha F225A

• Yamaha LF225A and FL225A

• Yamaha F250 and LF250 applications using the 3.3L V6 block

• Mercury / Mariner 225HP Yamaha-derived four-stroke engines using 25-887812

  

• HP Range: 200HP - 250HP

• Engine Type: Yamaha / Mercury V6 four-stroke outboard

• Year Range: Approximately 2002 - 2010s, dependent on cylinder-block design

  

🔌 Function

  

The O-ring seals an internal crankcase oil passage and prevents engine oil from escaping between mating cylinder-block components.

  

Common signs of failure:

  

• Engine oil leaks around the crankcase joint

• Oil pressure becomes unstable

• O-ring is flattened or hardened during powerhead disassembly

• Oil residue appears beneath the cylinder block

• Replacement is required during crankcase or oil-pump servicing

  

📦 Condition

  

• Genuine Yamaha part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 8.5 AUD
- **Vendor:** Yamaha
- **Tags:** Yamaha Marine Parts | Outboard Engine Parts & Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 8.50 AUD | In stock |

## Images

- 93210-25552 Yamaha O-Ring | Genuine OEM Yamaha Outboard Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/93210-25552-o-ring)
> Updated: 2026-07-11