19315-ZV5-010 Honda Marine Thermostat Cover | Genuine OEM Outboard Part

🔧 Product Description

Genuine Honda Marine Thermostat Cover - Part Number: 19315-ZV5-010

A genuine Honda thermostat cover used across selected BF25-BF90 cooling systems. It encloses thermostat 19300-ZV5-043 and seals against gasket 19351-ZV5-000.

⚙️ Key Features

• Current Honda ZV5 thermostat-cover revision
• Dark-grey external finish
• Factory thermostat cavity and hose-port geometry
• Used with gasket 19351-ZV5-000
• Direct replacement for earlier colour-coded covers

🚤 Compatibility

Commonly used on

• Honda Marine four-stroke outboard cooling-system applications

Typically suits

• Engine models:
• BF25A/D
• BF30A/D
• BF35A
• BF40A/D
• BF45A
• BF50A/D
• BF75A
• BF90A
• HP Range: 25HP-90HP
• Engine Type: Honda four-stroke outboard
• Year Range: Approximately 1990s-2007, model dependent

🔌 Function

Houses the thermostat and directs temperature-controlled cooling water into the engine passages.

⚠️ Common Signs of Failure

• Cooling-water leak around the cover
• Corroded or pitted sealing face
• Cracked hose connection or bolt boss
• Thermostat cannot seat correctly
• Persistent leakage after gasket replacement

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 19315-ZV5-010 → Supersedes 19315-ZV5-010ZA
• 19315-ZV5-010 → Supersedes 19315-ZV5-000ZA

OEM / Related Numbers

• Honda: 19315-ZV5-010
• Honda: 19315-ZV5-010ZA
• Honda: 19315-ZV5-000ZA

Aftermarket / Verified Equivalents

• No aftermarket equivalent

📦 Condition

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