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• Superseded to later Mercury service reference 8M0224266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