12341-PNA-000 Honda Marine Rocker Cover Gasket 12341-RTA-000 | Genuine OEM Outboard Part

🔧 Product Description

Genuine Honda Cylinder Head / Rocker Cover Gasket - Part Number: 12341-PNA-000

New genuine Honda moulded rubber cylinder-head-cover gasket used on the K24-based BF135 and BF150 outboards. It seals the perimeter of the rocker cover and prevents engine oil from escaping onto the cylinder head and ignition components.

⚙️ Key Features

• Genuine Honda moulded rocker-cover gasket

• Correct profile for K24-based BF135/BF150 engines

• Oil-resistant elastomer construction

• Seals the complete cylinder-head-cover perimeter

• Renew during valve-clearance, camshaft or cover service

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 12341-RTA-000 → Supersedes 12341-PNA-000 and 12341-RAA-A00

OEM / Related Numbers:

• 12341-PNA-000

• 12341-RAA-A00

• 12341-RTA-000

Aftermarket / Verified Equivalents:

• Aftermarket K24 cylinder-head-cover gasket equivalents

• Use only marine-suitable replacement material and confirmed profile

🚤 Compatibility

Commonly used on:

• Honda Marine four-stroke outboard engines

Typically suits:

• Engine models:

• BF135A/BF135AK2

• BF150A/BF150AK2

• BF135D and BF150D applications retaining the PNA/RTA cover-gasket profile

• HP Range: 135HP - 150HP

• Engine Type: Honda K24 inline-four four-stroke outboard

• Year Range: Approximately 2004 onward; model and cover 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:

• Engine oil leaks around the rocker-cover perimeter

• Oil collects in the spark-plug wells or on the cylinder head

• Rubber is hardened, flattened or cracked

• Cover has been removed for valve-clearance or camshaft service

• Oil smell, smoke or contamination appears around hot engine surfaces

📦 Condition

• Genuine Honda part

• Brand new

• Supplied in original or equivalent packaging