19277-ZZ3-030 Honda Marine Flush Valve | Genuine OEM Outboard Part

🔧 Product Description

Genuine Honda Marine Flush-Valve Cover - Part Number: 19277-ZZ3-030

A genuine Honda flush-valve cover used in later 115-150HP mount-case and oil-pan cooling circuits. It encloses the spring-loaded flush valve and works with ZW9-series spring and valve components on the applicable engines.

⚙️ Key Features

• Factory Honda later-model cover

• Compact cover for mount-case/oil-pan cooling circuit

• Used with spring 19279-ZW9-010

• Used with flush valve 19291-ZW9-000

• Direct OEM replacement

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• No supersession; current Honda OEM reference

OEM / Related Numbers:

• Honda: 19277-ZZ3-030

• Related spring: 19279-ZW9-010

• Related flush valve: 19291-ZW9-000

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Honda Marine four-stroke outboard cooling-system applications

Typically suits:

• Engine models:

• BF115D, BF115DK1 and BF115J

• BF135A, BF135D and BF135DK1

• BF150A, BF150D and BF150DK1

• HP Range: 115HP-150HP

• Engine Type: Inline four-cylinder EFI four-stroke outboard

• Year Range: Approximately 2007 onward

🔌 Function

Retains and seals the flush-valve assembly that manages cooling-water flow through the mount-case/oil-pan passages.

Common signs of failure:

• External cooling-water leak

• Cover cracking or distortion

• Flush valve binds in the chamber

• Salt deposits around the mounting face

• Loose or damaged retaining fasteners

📦 Condition

• Genuine Honda Marine OEM part

• Brand new

• Supplied in original or equivalent packaging