19233-ZV5-000 Honda Marine Gasket | Genuine OEM Outboard Part

🔧 Product Description

Genuine Honda Marine Impeller Gasket B - Part Number: 19233-ZV5-000

A genuine Honda water-pump gasket used beneath the impeller housing on selected BF20-BF50 four-stroke outboards. Its shaped passages align with the pump plate and gearcase cooling-water ports.

⚙️ Key Features

• Factory die-cut Honda gasket
• Correct pump-port and fastener alignment
• Single-use sealing component
• Suitable for complete water-pump rebuilds
• Used with ZV5-series impeller housings

🚤 Compatibility

Commonly used on

• Honda Marine four-stroke outboard cooling-system applications

Typically suits

• Engine models:
• BF20A
• BF25A, BF25D and BF25DK
• BF30A, BF30D and BF30DK
• BF35A
• BF40A and BF40D
• BF45A
• BF50A and BF50D
• HP Range: 20HP-50HP
• Engine Type: Inline two- or three-cylinder four-stroke outboard, model dependent
• Year Range: Approximately 1990s onward

🔌 Function

Seals the water-pump joint to prevent pressure loss and internal leakage between the pump and gearcase passages.

⚠️ Common Signs of Failure

• Cooling-water leakage or salt staining at the joint
• Reduced pump efficiency or unstable cooling-water flow
• Overheating after the assembly has been disturbed
• Visible tearing, compression damage or corrosion around the sealing face
• Persistent leakage after reusing the old gasket

🔄 Supersession & Cross Reference

OEM Supersession Chain

• No supersession; current Honda OEM reference

OEM / Related Numbers

• Honda: 19233-ZV5-000
• Related impeller housing: 19221-ZV5-000

Aftermarket / Verified Equivalents

• Aftermarket Honda-pattern gasket sold under 19233-ZV5-000

📦 Condition

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