90601-ZE2-000 Honda Marine Sump Washer | Genuine OEM Outboard Part

🔧 Product Description

Genuine Honda 12 mm Engine Oil Drain Plug Washer - Part Number: 90601-ZE2-000

A genuine Honda 12 mm crush washer for the engine-oil sump drain plug used across numerous mid-range and large Honda four-stroke outboards. It deforms under the specified drain-plug torque to create an oil-tight seal.

⚙️ Key Features

• Genuine Honda 12 mm engine-oil drain washer
• Soft crush-type sealing construction
• Designed for one-time use at each engine-oil change
• Not interchangeable with the smaller 90507-921-000 nylon gearcase washer

🚤 Compatibility

Commonly used on

• Honda BF20D, BF25D and BF30D
• Honda BF35A/BF40A/BF40D/BF45A/BF50A/BF50D and BF60A
• Honda BF75D/BF80A/BF90D/BF100A
• Honda BF115A/BF115D/BF130A/BF135A/BF140A/BF150A/BF150D
• Honda BF175A/BF200A/BF200D/BF225A/BF225D/BF250A/BF250D where the oil-pan diagram specifies a 12 mm plug

Typically suits

• HP Range: 20-250 HP across verified applications
• Engine Type: Honda four-stroke outboard engine-oil sump
• Year Range: Application dependent
• Serial / Identification Range: Confirm the engine-oil drain-plug size from the model-specific oil-pan diagram. Do not select this washer solely from horsepower.

🔌 Function

Creates a crush seal beneath the engine-oil drain plug to prevent sump leakage.

⚠️ Common Signs of Failure

• Oil seeps from the sump drain plug
• Washer has been previously compressed
• Washer is gouged, distorted or missing
• Drain plug requires excessive torque to stop leakage

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 90601-ZE2-000 - current long-running Honda service reference
• No later direct Honda supersession confirmed

OEM / Related Numbers

• 90601-ZE2-000
• 90601ZE2000

Aftermarket / Verified Equivalents

• Aftermarket 12 mm Honda-pattern crush washers may cross-reference to 90601-ZE2-000
• Confirm inside diameter, thickness and crush material before substitution

📦 Condition

• Genuine Honda Marine OEM part
• Brand new
• Supplied in genuine Honda or equivalent protective packaging