91356-ZY3-003 Honda Marine O-Ring | Genuine OEM Outboard Part

🔧 Product Description

Genuine Honda Marine Water-Pump O-Ring - Part Number: 91356-ZY3-003

Genuine Honda water-pump O-ring for selected BF135 through BF250 outboards. It seals the pump housing within the lower unit and is also supplied as an individual component in compatible Honda-pattern water-pump and impeller-service kits.

⚙️ Key Features

• Genuine Honda Marine water-pump seal
• Designed for large-horsepower outboard pump housings
• Suitable for fresh-water and saltwater operation
• Replace during impeller or pump-housing service
• Helps preserve pump suction and cooling-water pressure

🚤 Compatibility

Commonly used on

• Honda large-horsepower water-pump assemblies

Typically suits

• Engine models:
• BF135A family
• BF150A and BF150D families
• BF175A family
• BF200A family
• BF225A family
• BF250A family
• HP Range: 135HP-250HP
• Engine Type: Inline-four and V6 four-stroke outboards
• Year Range: Approximately 2002 onward
• Serial Note: Confirm the complete model, gearcase type and frame serial before ordering.

🔌 Function

The O-ring seals the water-pump housing so the impeller can supply a consistent volume of cooling water to the powerhead.

⚠️ Common Signs of Failure

• Reduced tell-tale flow
• Overheating or temperature alarms
• Pump fails to prime consistently
• Cooling-water leakage around the pump housing
• Seal is compressed, cut or permanently distorted

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 91356-ZY3-003 (current documented Honda reference)

OEM / Related Numbers

• 91356ZY3003

Aftermarket / Verified Equivalents

• RECMAR: REC91356-ZY3-003
• Included in RECMAR impeller kit: REC19210-ZY3-003-HP
• Sierra kit application: 18-0390 for selected BF135/BF150 engines
• Sierra kit application: 18-0248 for selected BF200/BF225 engines

📦 Condition

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