# 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

## Details

- **Price:** 11.7 AUD
- **Vendor:** Quicksilver
- **Tags:** Quicksilver Marine Parts | Oils Service Kits & Engine Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 11.70 AUD | In stock |

## Images

- 8M0005677 Mercury MerCruiser Muffler | Genuine Quicksilver OEM Part

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> Source: [Sawley's Auto and Marine](www.sawleysautoandmarine.com.au/products/8m0005677-mercury-mercruiser-muffler-genuine-quicksilver-oem-part)
> Updated: 2026-05-17