8M0005677 Mercury MerCruiser Muffler | Genuine Quicksilver OEM Part

🔧 Product Description

Genuine Quicksilver Intake / IAC Muffler - Part Number: 8M0005677

A genuine Quicksilver muffler used in selected Mercury 3.0L DFI / OptiMax air-management assemblies. This muffler works with the intake / idle-air system and related hoses to reduce intake noise and maintain correct air routing.

⚙️ Key Features

• Genuine Quicksilver OEM muffler

• Correct Mercury part number 8M0005677

• Used on selected Mercury 3.0L DFI / OptiMax engines

• Listed with related air filter 35-880084T01 and air-management hose components

• Direct replacement for the specified factory muffler location

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 8M0005677 current OEM muffler reference

OEM / Related Numbers:

• 8M0005677

• 35-880084T01 related air filter assembly

• 8M0005664 related molded hose

• 8M0116380 related hose / sleeve

• 816311T related tie strap

• 856842 related elbow

• 856880 related hose clamp

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Mercury 3.0L DFI / OptiMax intake muffler and air-management systems

Typically suits:

• Engine models:

• Mercury 200HP 3.0L DFI DTS - serial 1B417702 to 1B504988

• Mercury 200HP 3.0L DFI DTS - serial 1B504989 and up

• Mercury 200HP DFI 3.0L - serial 1B417702 to 1B504988

• Mercury 200HP DFI 3.0L - serial 1B504989 to 1B912785

• Mercury 200HP DFI 3.0L - serial 1B912786 and up

• Mercury 200 Pro XS DFI 3.0L - serial 1B504989 to 1B912785

• Mercury 200 Pro XS DFI 3.0L - serial 1B912786 and up

• Mercury 225HP 3.0L DFI DTS - serial 1B417702 to 1B504988

• Mercury 225HP 3.0L DFI DTS - serial 1B504989 and up

• Mercury 225HP DFI 3.0L - serial 1B417702 to 1B504988

• Mercury 225HP DFI 3.0L - serial 1B504989 and up

• Mercury 250HP DFI 3.0L - serial 1B528615 and up

• Mercury 225 Pro XS 3.0L DFI applications where 8M0005677 is specified

• Mercury 250 Pro XS 3.0L DFI applications where 8M0005677 is specified

• Mercury 3.0L DFI / OptiMax powerhead air-management assemblies using muffler 8M0005677

• HP Range: commonly 200HP - 250HP 3.0L DFI / OptiMax applications

• Engine Type: Mercury 3.0L V6 DFI / OptiMax outboard

• System Type: Intake / idle-air muffler

🔌 Function

The muffler reduces intake or idle-air noise and helps route air correctly through the engine air-management system.

Common signs of failure:

• Increased intake noise

• Cracked, missing or loose muffler

• Poor idle quality if related hoses are damaged

• Intake air leak around the muffler assembly

• Deteriorated air-management components during service

📦 Condition

• Genuine Quicksilver part

• Brand new

• Supplied in original or equivalent packaging