91302-ZY6-003 Honda Marine O-Ring | Genuine OEM Outboard Part

🔧 Product Description

Genuine Honda Inline-Four Exhaust / Water Passage O-Ring 79.8 × 3.1 mm - Part Number: 91302-ZY6-003

A genuine Honda 79.8 × 3.1 mm O-ring used in specified exhaust-pipe, exhaust-manifold and water-passage joints on the 2.4-litre inline-four outboard platform.

⚙️ Key Features

• Genuine Honda large-diameter sealing O-ring
• Nominal dimensions: 79.8 × 3.1 mm
• Designed for high-temperature exhaust/cooling-system exposure
• Different diameter from 91301-ZY6-003 and not interchangeable

🚤 Compatibility

Commonly used on

• Honda BF115D and BF115J
• Honda BF135A and BF135D
• Honda BF140A
• Honda BF150A and BF150D
• Only exhaust-pipe/manifold diagrams specifying 91302-ZY6-003

Typically suits

• HP Range: 115-150 HP
• Engine Type: 2.4-litre inline four-cylinder EFI four-stroke outboard
• Year Range: Approximately 2004 onward, model dependent
• Serial / Identification Range: Confirm the complete frame serial, installation location and 79.8 × 3.1 mm dimensions.

🔌 Function

Seals the specified exhaust and cooling-water passage against gas or fluid leakage.

⚠️ Common Signs of Failure

• Cooling-water or exhaust leakage at the joint
• O-ring is heat hardened, flattened or split
• Incorrect smaller O-ring has been installed
• Seal is damaged during exhaust-system disassembly

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 91302-ZY6-003 - current verified Honda service reference
• No later direct Honda supersession confirmed

OEM / Related Numbers

• 91302-ZY6-003
• 91302ZY6003
• 91301-ZY6-003 - different 76.4 × 3.1 mm O-ring

Aftermarket / Verified Equivalents

• No verified direct aftermarket equivalent with confirmed Honda material specification

📦 Condition

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