19279-ZW1-000 Honda Marine Spring | Genuine OEM Outboard Part

🔧 Product Description

Genuine Honda Marine Flush-Valve Spring - Part Number: 19279-ZW1-000

A genuine Honda coil spring for the ZW1 flush-valve system. It applies the calibrated closing force needed to keep the valve seated until cooling-water pressure or service flow moves it.

⚙️ Key Features

• Factory-calibrated spring rate
• Corrosion-resistant marine construction
• Correct free length for the ZW1 valve chamber
• Works with valve 19291-ZW1-000
• Direct OEM replacement

🚤 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

Returns the flush/relief valve to its seated position and maintains the designed opening pressure.

⚠️ Common Signs of Failure

• Valve remains open and cooling water drains incorrectly
• Valve does not open at the correct pressure
• Corroded, broken or shortened spring
• Unstable cooling flow
• Spring binds inside a corroded chamber

🔄 Supersession & Cross Reference

OEM Supersession Chain

• No supersession; current Honda OEM reference

OEM / Related Numbers

• Honda: 19279-ZW1-000
• Related cover: 19277-ZW1-000
• Related valve: 19291-ZW1-000

Aftermarket / Verified Equivalents

• No aftermarket equivalent

📦 Condition

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