# 93210-49046 Yamaha O-Ring | Genuine OEM Yamaha Outboard Part

🔧 Product Description

  

Genuine Yamaha Lower-Unit Carrier and Shift Shaft Plate O-Ring - Part Number: 93210-49046

  

A genuine Yamaha lower-unit O-ring used in several carrier, water-pump and shift-shaft sealing positions.

  

Depending on the gearcase, the O-ring may seal the forward bearing carrier, propeller-shaft seal housing, water-pump base or gear-selector shaft plate.

  

⚙️ Key Features

  

• Genuine Yamaha OEM lower-unit O-ring

• Correct Yamaha part number 93210-49046

• Used in bearing-carrier, water-pump and shift-shaft assemblies

• Resistant to gear oil and marine-water exposure

• PROMT, Recmar and aftermarket equivalents available

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 93210-49046 current Yamaha lower-unit O-ring reference

  

OEM / Related Numbers:

  

• 93210-49046

• 93210-49046-00

• 9321049046

• 18-71333 aftermarket reference

• 93101-15074 related propeller-shaft oil seal

• 93101-11M23 related shaft oil seal

  

Aftermarket / Verified Equivalents:

  

• PROMT Parts: PP-93210-49046

• Recmar: REC93210-49046

• Marine Spare Parts: AM93210-49046

• Aftermarket lower-unit O-ring replacing 93210-49046

  

🚤 Compatibility

  

Commonly used on:

  

• Yamaha forward bearing-carrier assemblies

• Shift-shaft plate and gear-selector shaft carriers

• Selected water-pump and lower-unit seal housings

  

Typically suits:

  

• Engine models:

• Yamaha 6HP and 8HP two-stroke lower units

• Yamaha F8C four-stroke bearing carrier

• Yamaha F9.9F four-stroke bearing carrier

• Yamaha F9.9H water-pump assembly

• Yamaha F15A water-pump assembly

• Yamaha F20B water-pump assembly

• Yamaha 40HP two-stroke lower units

• Yamaha 50HP two-stroke lower units

• Yamaha 55HP lower-unit applications

• Yamaha 70HP lower units

• Yamaha 75HP, 80HP, 85HP and 90HP lower units

• Yamaha FT50G gear-selector shaft carrier

  

• HP Range: Selected 6HP - 20HP and 40HP - 90HP applications

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

• Year Range: Approximately mid-1980s onward, dependent on the sealing location.

  

🔌 Function

  

The O-ring seals the relevant carrier, plate or pump housing to prevent gear lubricant, cooling water or external water from crossing the housing joint.

  

Common signs of failure:

  

• Gear oil leaks from the lower unit

• Gear lubricant becomes milky

• Shift-shaft plate leaks during pressure testing

• Water-pump pressure is reduced

• O-ring is flattened, twisted or cut during assembly

  

📦 Condition

  

• Genuine Yamaha part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 5.97 AUD
- **Vendor:** Yamaha
- **Tags:** Yamaha Marine Parts | Outboard Engine Parts & Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 5.97 AUD | In stock |

## Images

- 93210-49046 Yamaha O-Ring | Genuine OEM Yamaha Outboard Part
- 93210-49046 Yamaha O-Ring | Genuine OEM Yamaha Outboard Part
- 93210-49046 Yamaha O-Ring | Genuine OEM Yamaha Outboard Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/93210-49046-o-ring)
> Updated: 2026-07-18