19298-ZY3-000ZB Honda Relief Valve Spacer (L) | Genuine Used Part

🔧 Product Description

Genuine Honda Left Cooling Relief Valve Spacer - Part Number: 19298-ZY3-000ZB

A genuine Honda port or left-hand relief-valve spacer for selected BF200, BF225 and BF250 V6 four-stroke outboards.

The spacer positions the left cooling-pressure relief valve and provides the correct clearance behind the left relief-valve cover.

⚙️ Key Features

• Genuine Honda left relief-valve spacer
• Correct part number 19298-ZY3-000ZB
• Factory grey finish
• Positions the port-side cooling relief valve
• Matching companion to right spacer 19294-ZY3-000ZB

🚤 Compatibility

Commonly used on

• Honda large-V6 left-side mount-case cooling systems

Typically suits

• Engine models:
• Honda BF200A
• Honda BF225A
• Honda BF225D
• Honda BF250D
• V6 engines using the paired ZY3 left and right relief-valve assemblies
• HP Range: 200HP - 250HP
• Engine Type: Honda V6 EFI four-stroke outboard
• Year Range: Approximately 2002 onward

🔌 Function

The spacer maintains the correct relief-valve position and water-passage volume, allowing the valve to control cooling-system pressure without binding.

⚠️ Common Signs of Failure

• Cooling-water leakage around the left cover
• Spacer is cracked, warped or corroded
• Gasket surfaces are damaged
• Relief valve becomes misaligned or sticks
• Mounting holes or locating points are broken

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 19298-ZY3-000ZB current left-spacer reference

OEM / Related Numbers

• 19298-ZY3-000ZB left spacer
• 19297-ZY3-000 left relief-valve cover
• 19294-ZY3-000ZB right spacer
• 19295-ZY3-000 right cover
• 19291-ZW5-000 relief valve
• 19292-ZW5-000 relief-valve spring
• 19296-ZY3-000 cover gasket

Aftermarket / Verified Equivalents

• Aftermarket relief-valve gasket and seal kits
• No direct aftermarket spacer equivalent

📦 Condition

• Genuine used part
• Removed from running engine where applicable
• In good working condition unless otherwise stated