Mercury MerCruiser Quicksilver Water Pump Repair Kit 8M0100527
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Mercury / MerCruiser Quicksilver Water Pump Repair Kit — 8M0100527
The Mercury Quicksilver 8M0100527 is a genuine OEM water pump repair kit designed to restore cooling performance in select Mercury and Mariner outboards as well as MerCruiser sterndrives. The kit replaces worn pump components—including the impeller—to maintain proper water flow through the engine cooling system.
Key Specifications
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Part Number: 8M0100527 (also listed as 47-8M0100527)
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Component Type: Water pump / impeller repair kit
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OEM Brand: Mercury Marine / Quicksilver
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Kit Size: Approximately 15-piece service kit
Compatible Engines & Drives
Commonly used on a wide range of Mercury engines and drives, including:
Mercury FourStroke Outboards
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40–60 HP BigFoot / Command Thrust
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75–115 HP FourStroke
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150 HP EFI FourStroke
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L4 and L6 Verado outboards with 4.8-inch torpedo gearcases
Mercury Two-Stroke Outboards
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60 HP BigFoot (serial 0D000750 and newer)
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70–90 HP (serial 0A996142 and newer)
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100–125 HP 4-cyl models
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3.0L V-200 / V-225 / V-250 outboards
MerCruiser Sterndrives
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Alpha One Gen II drives
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Serial numbers 0D469859 and newer
What’s Included
A complete kit typically contains the major service parts needed for a water pump rebuild, such as:
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Water pump impeller
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Wear plate
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Pump housing components
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Gaskets and seals
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O-rings and hardware
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Drive key
These components restore proper pump operation and cooling water circulation.
Function in the Engine
The water pump draws water from the lower unit and circulates it through the engine block to regulate temperature. A worn impeller or damaged pump components can reduce water flow and lead to overheating. Rebuilding the pump with a repair kit helps maintain proper cooling efficiency and engine protection.
⚠️ Fitment Tip:
Always verify compatibility using the engine model and serial number, as Mercury uses several water-pump designs depending on gearcase diameter and engine generation.
Shipping: Ships same or next day for fast Canada wide shipping.
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.