16078-ZY3-000 Honda Marine Fuel Filter O-Ring | Genuine OEM Outboard Part

🔧 Product Description

Genuine Honda High-Pressure Fuel Filter / Vapour Separator O-Ring - Part Number: 16078-ZY3-000

New genuine Honda NOK O-ring measuring approximately 7.3 × 2.2mm. It seals the high-pressure fuel-filter or vapour-separator connection on Honda electronic-fuel-injection outboards.

⚙️ Key Features

• Genuine Honda NOK fuel-resistant O-ring
• Approximate size: 7.3mm inside diameter × 2.2mm section
• Used in the high-pressure fuel-filter/vapour-separator assembly
• Prevents fuel pressure loss and vapour leakage
• Renew whenever the adjoining filter or fitting is removed

🚤 Compatibility

Commonly used on

• Honda Marine four-stroke outboard engines

Typically suits

• Engine models:
• BF115A/BF115D and BF130A
• BF135A/BF135D and BF150A/BF150D
• BF175A/BF175D, BF200A/BF200D, BF225A/BF225D and BF250A/BF250D
• HP Range: 115HP - 250HP
• Engine Type: Honda EFI four-stroke outboard
• Year Range: Fuel-system and frame-serial dependent

🔌 Function

This moulded sealing ring prevents fuel, oil, air or vapour leakage at the specified joint while allowing the component to be dismantled for service. Correct material, diameter and cross-section are essential for reliable sealing under pressure and exposure to fuel or engine oil.

⚠️ Common Signs of Failure

• Fuel, oil or vapour leakage appears around the joint
• O-ring is flattened, swollen, hardened, cut or cracked
• The filter or separator loses pressure or draws air
• The sealed component has been removed for service
• Incorrect-size sealing ring prevents the housing from seating correctly

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 16078-ZY3-000 (Honda OEM O-ring reference)

OEM / Related Numbers

• 16078-ZY3-000
• 7.3 × 2.2mm O-ring

Aftermarket / Verified Equivalents

• No aftermarket equivalent

📦 Condition

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