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

🚤 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

🔄 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

📦 Condition

• Genuine Yamaha part
• Brand new
• Supplied in original or equivalent packaging