333009 BRP Air Silencer Cover | Genuine Used Part

🔧 Product Description

Genuine OMC Johnson Evinrude Air Silencer Base - Part Number: 0333009 / 333009

A genuine OMC air-silencer base for selected Johnson and Evinrude three-cylinder carburetted two-stroke outboards.

Part number 333009 identifies the air-silencer base, rather than the removable outer cover. The matching later cover is commonly identified as 0388264 / 388264. Together, the base and cover form the intake airbox mounted over the carburettor throats.

⚙️ Key Features

• Genuine OMC Johnson / Evinrude intake component
• Correct base part number 0333009 / 333009
• Supports the matching air-silencer cover
• Reduces carburettor induction noise
• Helps prevent loose debris from entering the carburettor inlets

🚤 Compatibility

Commonly used on

• Johnson and Evinrude three-cylinder carburetted intake systems
• Airbox assemblies using base 333009 and cover 388264

Typically suits

• Engine models:
• Johnson / Evinrude 40HP three-cylinder
• Johnson / Evinrude 50HP three-cylinder
• Johnson / Evinrude 55HP three-cylinder
• Johnson / Evinrude 60HP three-cylinder
• Johnson / Evinrude 65HP three-cylinder
• Johnson / Evinrude 70HP three-cylinder
• Johnson / Evinrude 75HP three-cylinder
• Models using the matching three-carburettor air-silencer pattern
• HP Range: Approximately 40HP - 75HP
• Engine Type: OMC three-cylinder carburetted two-stroke outboard
• Year Range: Primarily approximately 1987-2001, dependent on engine model and carburettor arrangement

🔌 Function

The base positions the air-silencer cover over the carburettor inlets and creates a shared intake chamber. This reduces induction noise and helps keep foreign material away from the carburettor throats.

⚠️ Common Signs of Failure

• Base is cracked around the carburettor mounting points
• Cover will not fasten securely
• Airbox rattles or vibrates while running
• Gasket is missing or damaged
• Carburettor intake noise becomes noticeably louder

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 0333009 → Supersedes 0329243
• 0329243 → Supersedes 0321744
• 333009 unprefixed OEM reference

OEM / Related Numbers

• 0333009
• 333009
• 0329243
• 329243
• 0321744
• 321744
• 0388264 matching air-silencer cover
• 388264
• 0321745 earlier cover reference
• 321745
• 0321794 related air-silencer gasket

Aftermarket / Verified Equivalents

• Specialist used complete airbox assembly: 333009 / 388264
• Aftermarket replacement air-silencer gasket replacing 0321794
• Reconditioned base-and-cover assemblies for three-cylinder OMC engines
• No direct reproduction base casting

📦 Condition

• Genuine used part
• Air-silencer cover is included only where specifically stated
• Removed from running engine where applicable
• In good working condition unless otherwise stated