90430-14M09 Yamaha Sump Washer | Genuine OEM Yamaha Outboard Part

🔧 Product Description

Genuine Yamaha Four-Stroke Engine Oil Drain Washer - Part Number: 90430-14M09

A genuine Yamaha sump-plug gasket for selected four-stroke outboard engines.

The sealing washer fits beneath the engine-oil drain plug and should be renewed during oil changes to prevent leakage around the threaded sump opening.

⚙️ Key Features

• Genuine Yamaha OEM sump-plug washer

• Correct Yamaha part number 90430-14M09

• Used on Yamaha four-stroke engine-oil drain plugs

• Related to current service washer 90430-14228

• Sierra direct replacement available

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 90430-14M09 original OEM sump-washer reference

• 90430-14228 related current Yamaha service washer for applicable engines

OEM / Related Numbers:

• 90430-14M09

• 90430-14M09-00

• 90430-14228

• Yamaha engine-oil drain-plug gasket

• Yamaha sump washer

Aftermarket / Verified Equivalents:

• Sierra: 18-0755

• Aftermarket Yamaha 14mm sump-plug washer

• Replacement washer supplied in Yamaha four-stroke service kits

🚤 Compatibility

Commonly used on:

• Yamaha four-stroke engine-oil drain plugs

• Routine engine-oil servicing

Typically suits:

• Engine models:

• Yamaha F9.9C four-stroke

• Yamaha FT9.9D high-thrust

• Yamaha F15A and F15C

• Yamaha F20A and F20B

• Yamaha F25A

• Selected Yamaha F30, F40, F50 and F60 engines

• Selected Yamaha F75 through F115 engines

• Selected Yamaha F150 through F225 engines using the same sump-plug gasket

• Engine Type: Yamaha four-stroke outboard

• Thread / Washer Application: Approximately 14mm engine-oil drain plug

• Year Range: Engine and sump-design controlled.

🔌 Function

The washer seals the oil-drain plug against the sump, preventing engine oil escaping during operation.

Common signs of failure:

• Oil seeps around the drain plug

• Washer is crushed or distorted

• Plug requires excessive tightening to seal

• Oil appears inside the lower cowling

• Washer was reused after an oil change

📦 Condition

• Genuine Yamaha part

• Brand new

• Supplied in original or equivalent packaging