Mercury MerCruiser Quicksilver Impeller 42038Q02
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You have 30 days to request a return. All sale items are final sale.
Mercury MerCruiser / Quicksilver Impeller – 42038Q02
Maintain reliable engine cooling with the genuine Mercury Marine / Quicksilver 42038Q02 Water Pump Impeller. This OEM impeller circulates raw water through the outboard engine’s cooling system, helping maintain proper operating temperatures and preventing overheating.
Manufactured to Mercury Marine’s original equipment specifications, the impeller features durable elastomer vanes bonded to a reinforced center insert to resist tearing while maintaining consistent water flow in demanding marine conditions.
Key Features
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Genuine Mercury / Quicksilver OEM water pump impeller
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Maintains proper raw-water circulation through the cooling system
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Flexible elastomer vanes with reinforced center 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 47-42038Q02
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Mercury 47-42038-2
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Mercury 47-420381 / 47-420382
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Sierra 18-3062
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Mallory 9-45309
Compatible Mercury / Mariner Engines
Commonly used on small Mercury and Mariner outboard engines, including:
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6 HP outboards
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8 HP outboards
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9.9 HP outboards
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15 HP outboards
Typical applications include:
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6–15 HP 2-stroke Mercury / Mariner outboards (serial 0A197112 and newer)
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8–9.9 HP FourStroke outboards (2004 and earlier)
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15 HP FourStroke outboards (323cc models up to 2008)
Service Recommendation
Water pump impellers are wear items and should generally be inspected annually and replaced every 100 hours or once per season to maintain reliable cooling system 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 before ordering 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.