Description
Mercury 8M0204723 Replacement Impeller Key
Mercury 8M0204723 is a genuine Mercury replacement impeller key for use with the Mercury/Quicksilver 47-43026 series long-vane impellers. Always replace the impeller key when replacing the impeller to help maintain proper cooling system function on compatible MerCruiser, Mercury, and Mariner applications.
Key Features
- Genuine Mercury replacement impeller key
- Part number: 8M0204723
- For Mercury/Quicksilver 47-43026 series long-vane impellers
- Helps ensure proper impeller engagement during water pump service
- Recommended replacement item when replacing the impeller
- Produced to meet Mercury Marine original equipment manufacturer specifications
Fitment / Product Details
- Brand: Mercury
- Part Number: 8M0204723
- Product Type: Impeller Key
- Application: Mercury/Quicksilver 47-43026 series long-vane impellers
- Related Applications: MerCruiser Alpha One Gen II sterndrives and various Mercury and Mariner outboards that use 47-43026 series long-vane impellers
- Engine Style: Outboard, Inboard/IO
- Fitment Note: Confirm compatibility by part number, impeller series, drive model, outboard model, parts diagram, owner’s manual, or service manual before ordering.
What’s Included
- One Mercury 8M0204723 replacement impeller key
Why You Should Buy
- Correct genuine Mercury key for applications that specify 8M0204723
- Useful small service part when replacing compatible long-vane impellers
- Helps support proper cooling system service on compatible water pump applications
- Fits with the existing Wakeboss water pump and impeller maintenance grouping
Common Applications
- Water pump impeller service with Mercury/Quicksilver 47-43026 series long-vane impellers
- MerCruiser Alpha One Gen II sterndrive impeller service where specified
- Mercury and Mariner outboard impeller replacement where the parts diagram calls for 8M0204723
FAQ
- What is this part used for? This is a replacement impeller key used with Mercury/Quicksilver 47-43026 series long-vane impellers.
- Should the impeller key be replaced with the impeller? Yes. The supplied product data recommends replacing the impeller key when replacing the impeller.
- Does this fit all Mercury water pumps? No. Use it only with compatible applications that specify 8M0204723 or the 47-43026 series long-vane impeller setup.
- How do I confirm fitment? Match part number 8M0204723 to your parts diagram, impeller series, drive model, outboard model, owner’s manual, or service manual before ordering.
- Need help confirming fitment? Contact us before ordering and our parts team can help verify compatibility: Ask a Parts Pro.