# 889823001 Mercury MerCruiser Mercury Tether | Genuine Quicksilver OEM Part

🔧 Product Description

  

Genuine Quicksilver Flush Plug Tether - Part Number: 889823001

  

A genuine Quicksilver flush plug tether used on selected Mercury outboard cowl and flush-port assemblies. This tether retains the flush plug so it stays attached to the cowl or rear cover during flushing and service access.

  

⚙️ Key Features

  

• Genuine Quicksilver OEM flush plug tether

• Correct Mercury part number 889823001

• Superseded to later Mercury service reference 8M0224266

• Used on selected Mercury FourStroke, Verado, Pro XS, SeaPro and Racing cowl assemblies

• Helps prevent loss of the flush plug during flushing or service

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 8M0224266 → Supersedes 889823001

• 889823001 earlier OEM flush plug tether reference

  

OEM / Related Numbers:

  

• 889823001

• 8M0224266

• 888958001 related flush plug reference

• 8M0215105 related flush plug / tether reference

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Mercury lower cowl and rear cowl flush plug tether applications

  

Typically suits:

  

• Engine models:

• Mercury 150HP EFI FourStroke - serial 1B905505 and up

• Mercury 150HP EFI SeaPro - serial 2B139139 and up

• Mercury 200HP 3.4L V6 FourStroke - serial 2B529482 and up

• Mercury 200HP 3.4L V6 SeaPro FourStroke - serial 2B529482 and up

• Mercury 225HP 3.4L V6 FourStroke - serial 2B529482 and up

• Mercury 225HP 4.6L V8 Pro XS FourStroke - serial 2B529482 and up

• Mercury 225HP Verado L6 FourStroke - serial 2B144123 to 2B578935

• Mercury 250HP 4.6L V8 Pro XS FourStroke - serial 2B529482 and up

• Mercury 250HP Pro Verado L6 FourStroke - serial 2B144123 to 2B577715

• Mercury 250HP Verado L6 FourStroke - serial 2B144123 to 2B578935

• Mercury 275HP Verado L6 FourStroke - serial 2B144123 to 2B578935

• Mercury 300HP 4.6L V8 FourStroke - serial 2B529482 and up

• Mercury 300HP 4.6L V8 Pro XS FourStroke - serial 2B529482 and up

• Mercury 300HP 4.6L V8 SeaPro FourStroke - serial 2B529482 and up

• Mercury 300HP 4.6L V8 Verado FourStroke - serial 2B529482 and up

• Mercury 300HP 4.6L V8 Verado SeaPro FourStroke - serial 2B529482 and up

• Mercury 300HP Pro Verado L6 FourStroke - serial 2B144123 to 2B577715

• Mercury 300HP Verado L6 FourStroke - serial 2B144123 to 2B578935

• Mercury 300R 4.6L V8 Racing FourStroke - serial 1E080500 and up

• Mercury 350HP 2.6L L6 Pro Verado - serial 2B141124 to 3B342962

• Mercury 400HP 2.6L L6 Verado - serial 2B618256 to 3B342962

• Mercury 400R 2.6L L6 Racing - serial 2B141124 to 3B342962

• Mercury 500R 4.6L V8 Racing - serial 1E099432 and up

  

• Engine Type: Mercury FourStroke / Verado / Racing outboard applications where specified

• System Type: Lower cowl / rear cowl flush plug tether

  

🔌 Function

  

The tether keeps the flush plug connected to the engine cowl or flush port so it is not misplaced during flushing, storage or service work.

  

Common signs of failure:

  

• Flush plug no longer retained

• Tether broken, stretched or missing

• Flush plug falls away during flushing

• Cowl flush-port hardware incomplete

• Tether replacement required after cowl service

  

📦 Condition

  

• Genuine Quicksilver part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 2.4 AUD
- **Vendor:** Quicksilver
- **Tags:** Quicksilver Marine Parts | Oils Service Kits & Engine Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 2.40 AUD | In stock |

## Images

- 889823001 Mercury MerCruiser Mercury Tether | Genuine Quicksilver OEM Part

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> Source: [Sawley's Auto and Marine](www.sawleysautoandmarine.com.au/products/889823001-mercury-mercruiser-mercury-tether-genuine-quicksilver-oem-part)
> Updated: 2026-05-17