EMP Impellers - Impeller | 47-00001
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You have 30 days to request a return. All sale items are final sale.
EMP Mercury/MerCruiser Water-Pump Impeller 47-00001
EMP 47-00001 is a replacement Mercury/MerCruiser Water-Pump Impeller for the application below.
Product Compatibility
Six-blade keyed-hub impeller for the corresponding Mercury/Mariner and MerCruiser pump assemblies. Cataloged MerCruiser applications include R/MR/Alpha One 1983-1990.
Impeller Dimensions
22.3 mm inside diameter, 60 mm outside diameter and 33.8 mm width. Check the hub connection and original pump reference as well as these dimensions. EMP impeller specifications.
Replacement References
Mercury 47-89984T4 and 47-89984T3; Sierra 18-3017
Fitment and Installation
Confirm the complete engine or drive model, serial number and original part reference before ordering. Follow the manufacturer service procedure for installation, adjustment and testing.
Parts Desk Insight
Alpha One and Alpha Gen II use different pump arrangements. Match the drive family and original impeller reference before ordering.
Manufacturer Parts Catalog
- Brand: EMP
- Manufacturer part #: 47-00001
- Sold as: EA
Shipping information
In-stock and OEM parts: ship same or next business day.
Available items are ready for pickup or shipping between one and three days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.