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0391254 OMC Air Silencer Base | Genuine Used Part

0391254 OMC Air Silencer Base | Genuine Used Part

$60.00 AUD
$60.00 AUD
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🔧 Product Description

Genuine OMC Johnson / Evinrude V6 Air Silencer Base - Part Number: 0391254

A genuine OMC air-silencer base used ahead of the carburettors on selected Johnson and Evinrude V6 crossflow engines. The OEM catalogue description is Base, Air Silencer. It supports cover 0320930 and forms the intake-noise chamber in front of the carburettor bank.

⚙️ Key Features

  • Genuine OMC air-silencer base
  • Correct part number 0391254
  • Unprefixed number 391254
  • Pairs with cover 0320930
  • Moulded marine intake component

🚤 Compatibility

  • Johnson and Evinrude V6 crossflow carburetted two-stroke outboards
  • Commonly used on 150HP, 155HP, 175HP, 185HP, 200HP and 235HP models
  • Approximate year range: 1979-1992
  • The carburettor spacing and cover attachment pattern must match

🔌 Function

The base supports the intake cover, channels air toward the carburettor throats and reduces induction noise without restricting the engine's airflow.

⚠️ Common Signs of Failure

  • Base is cracked around mounting points
  • Carburettor openings are distorted
  • Drain fittings are damaged
  • Cover cannot be secured correctly
  • Unmetered air or spray reaches the carburettors
  • Loose base vibrates against the linkage

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 0391254 is the documented service number
  • 391254 is the unprefixed OMC format
  • No later direct supersession has been verified

OEM / Related Numbers

  • 0391254
  • 391254
  • 0320930 matching cover
  • 320930 matching cover number
  • Related carburettor inlet seals and mounting screws
  • Related drain and balance hoses

Aftermarket / Verified Equivalents

  • No verified complete aftermarket air-silencer base
  • Used genuine OMC bases are the direct replacement
  • Aftermarket carburettor kits, reeds and intake gaskets are available separately
  • Generic flame arrestors are not equivalent to this outboard air-silencer base

📦 Condition

  • Genuine used part
  • Removed from running engine where applicable
  • In good working condition unless otherwise stated
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