Mercury MerCruiser Quicksilver Impeller 89983T
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Mercury MerCruiser / Quicksilver Impeller – 89983T
Maintain proper engine cooling and prevent overheating with the genuine Mercury Marine / Quicksilver 89983T Water Pump Impeller. This OEM impeller circulates raw water through the engine’s cooling system, ensuring consistent water flow to maintain safe engine operating temperatures.
Designed to Mercury Marine’s original equipment specifications, the impeller features flexible elastomer vanes bonded to a metal hub, providing durability and reliable cooling performance in demanding marine environments.
Key Features
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Genuine Mercury / Quicksilver OEM water pump impeller
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Restores proper raw-water cooling flow through the engine
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Flexible elastomer vanes with metal hub for durability
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Helps prevent engine overheating and cooling system damage
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Designed for direct replacement in Mercury and Mariner outboard water pumps
Replaces / Cross Reference
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Mercury 47-89983T
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Mercury 47-89983
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Mercury 47-65959
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Mercury 47-20268
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Sierra 18-3007
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Mallory 9-45300
Compatible Mercury / Mariner Engines
Commonly used on Mercury and Mariner outboard engines, including:
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30 HP outboards
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35 HP outboards
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40 HP outboards
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45 HP outboards
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50 HP outboards
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60 HP outboards
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65 HP outboards
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70 HP outboards
These applications cover many 2-stroke and some early 4-stroke Mercury/Mariner outboards from the 1970s through the 1990s, depending on serial number range.
Service Recommendation
Water pump impellers are wear items and should generally be inspected annually and replaced every 100 operating hours or once per season to maintain proper cooling performance.
Important Compatibility Note
Impeller fitment can vary by engine model, gearcase design, and serial number range. Always verify compatibility using the engine serial number to ensure the correct replacement part.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business 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.