19277-ZW1-000 Honda Marine Flush Valve Cover | Genuine OEM Outboard Part

🔧 Product Description

Genuine Honda Marine Flush-Valve Cover - Part Number: 19277-ZW1-000

A genuine Honda cover for the flush/relief-valve chamber used on BF75A/BF90A and BF115A/BF130A cooling systems. It retains the valve components and closes the external service chamber against water leakage.

⚙️ Key Features

• Factory Honda cover geometry
• Supports the internal spring and valve components
• Dark-grey external finish where applicable
• Designed for repeated cooling-system pressure cycles
• Direct replacement for the earlier colour-coded cover

🚤 Compatibility

Commonly used on

• Honda Marine four-stroke outboard cooling-system applications

Typically suits

• Engine models:
• BF75A
• BF90A
• BF115A
• BF130A
• HP Range: 75HP-130HP
• Engine Type: Inline four-cylinder four-stroke outboard
• Year Range: Approximately 1999-2007

🔌 Function

Houses and retains the flush/relief-valve components that control water movement and allow the cooling system to be serviced.

⚠️ Common Signs of Failure

• Water leakage or salt build-up around the cover
• Cracks, distortion or damaged bolt bosses
• Valve components no longer retained squarely
• Persistent leak after gasket replacement
• Corrosion on the sealing face

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 19277-ZW1-000 → Supersedes 19277-ZW1-000ZA

OEM / Related Numbers

• Honda: 19277-ZW1-000
• Honda: 19277-ZW1-000ZA
• Related spring: 19279-ZW1-000
• Related relief valve: 19291-ZW1-000

Aftermarket / Verified Equivalents

• No aftermarket equivalent

📦 Condition

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