15810-ZV2-000ZA Honda Valve Assembly | Genuine Used Part

🔧 Product Description

Genuine Honda VTEC Spool Valve Assembly - Catalogue Part Number: 15810-ZY2-000ZA

A genuine Honda oil-control spool valve for selected BF175, BF200 and BF225 V6 four-stroke outboards.

The listing reference 15810-ZV2-000ZA could not be matched to Honda's marine catalogue. The corresponding catalogued marine component is 15810-ZY2-000ZA. The stamped prefix and mounting pattern should be confirmed before purchase.

⚙️ Key Features

• Genuine Honda VTEC oil-control component
• Catalogue reference 15810-ZY2-000ZA
• Inventory reference 15810-ZV2-000ZA
• Controls pressurised oil flow to the VTEC mechanism
• Includes the factory dark-grey protective housing

🚤 Compatibility

Commonly used on

• Honda V6 VTEC cylinder-block oil-control systems

Typically suits

• Engine models:
• Honda BF175A
• Honda BF200A
• Honda BF225A
• Engines using spool valve 15810-ZY2-000ZA and filter 15825-ZY2-000
• Standard and counter-rotation V6 models with the matching electrical connection
• HP Range: 175HP - 225HP
• Engine Type: Honda 3.5L V6 VTEC EFI four-stroke outboard
• Year Range: Approximately 2002 onward, dependent on model and serial number

🔌 Function

The spool valve controls engine-oil pressure to the VTEC rocker-arm circuit. At the commanded engine speed and load, the ECM energises the valve so the engine can engage its higher-lift valve profile.

⚠️ Common Signs of Failure

• Reduced top-end power
• VTEC system does not engage
• Engine enters reduced-power mode
• Oil leaks around the spool-valve housing
• Stored VTEC oil-pressure or spool-valve fault code

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 15810-ZY2-000ZA current documented Honda marine reference
• 15810-ZV2-000ZA listing reference requiring physical confirmation

OEM / Related Numbers

• 15810-ZY2-000ZA
• 15810-ZV2-000ZA inventory number
• 15825-ZY2-000 spool-valve filter assembly
• Related spool-valve gasket and oil-pressure switch
• Related VTEC rocker-arm and oil-passage components

Aftermarket / Verified Equivalents

• Specialist remanufactured Honda VTEC spool-valve assembly
• Aftermarket filter and gasket service components
• No direct complete marine-specific aftermarket equivalent

📦 Condition

• Genuine used part
• Part-number prefix must be checked before installation
• Removed from running engine where applicable
• In good working condition unless otherwise stated