19371-ZW1-000 Honda Marine Water Jacket Gasket O-Ring | Genuine OEM Outboard Part

🔧 Product Description

Genuine Honda Marine Water-Jacket Cover Gasket - Part Number: 19371-ZW1-000

A genuine Honda water-jacket cover gasket for carburetted BF75A and BF90A outboards. It seals the large external cooling-jacket/anode cover to the powerhead.

⚙️ Key Features

• Factory Honda BF75A/BF90A gasket profile
• Seals internal cooling and anode chamber
• Single-use marine gasket
• Correct bolt and water-port alignment
• Direct OEM replacement

🚤 Compatibility

Commonly used on

• Honda Marine four-stroke outboard cooling-system applications

Typically suits

• Engine models:
• BF75A carburetted four-stroke
• BF90A carburetted four-stroke
• HP Range: 75HP-90HP
• Engine Type: Inline four-cylinder carburetted four-stroke outboard
• Year Range: Approximately 1997-2006

🔌 Function

Seals the water-jacket and internal-anode chamber so cooling water circulates through the block without leaking externally.

⚠️ Common Signs of Failure

• Cooling-water leakage or salt tracks around the cover
• Corroded internal-anode chamber
• Overheating from restricted water-jacket passages
• Gasket delamination or tearing
• Persistent leak after cover removal

🔄 Supersession & Cross Reference

OEM Supersession Chain

• No supersession; current Honda OEM reference

OEM / Related Numbers

• Honda: 19371-ZW1-000

Aftermarket / Verified Equivalents

• No aftermarket equivalent

📦 Condition

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