18115-ZY6-003 Honda Marine Exhaust Manifold Gasket | Genuine OEM Outboard Part

🔧 Product Description

Genuine Honda Exhaust Manifold Gasket - Part Number: 18115-ZY6-003

New genuine Honda composite exhaust-manifold gasket for BF115D, BF135 and BF150 K-series outboards. It seals the exhaust manifold and adjoining cooling-water passages.

⚙️ Key Features

• Genuine Honda exhaust-manifold gasket

• Correct K-series four-cylinder port layout

• Heat-, pressure- and water-resistant construction

• Separates exhaust gas and cooling water

• Required during exhaust-manifold removal

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 18115-ZY6-003 (Honda OEM reference)

OEM / Related Numbers:

• 18115-ZY6-003

Aftermarket / Verified Equivalents:

• Recmar: REC18115-ZY6-003

• Aftermarket BF115D/BF135/BF150 exhaust-manifold gasket equivalents

🚤 Compatibility

Commonly used on:

• Honda Marine four-stroke outboard engines

Typically suits:

• Engine models:

• BF115D

• BF135A/BF135D

• BF150A/BF150D

• HP Range: 115HP - 150HP

• Engine Type: Honda K-series inline-four four-stroke outboard

• Year Range: Approximately 2004 onward; engine revision dependent

🔌 Function

This precision-formed gasket seals the mating surfaces identified in the compatibility section. It prevents combustion gas, intake air, exhaust gas, cooling water, engine oil or fuel vapour from escaping or crossing between adjoining passages.

Common signs of failure:

• Exhaust or cooling-water leakage around the manifold

• Salt deposits or soot appear at the joint

• Engine compartment exhaust smell increases

• Manifold is removed for corrosion or thermostat service

• Gasket is burnt, crushed or delaminated

📦 Condition

• Genuine Honda part

• Brand new

• Supplied in original or equivalent packaging