Description

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.

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Key Specifications

• Part Number: 8M0100527 (also listed as 47-8M0100527)

• Component Type: Water pump / impeller repair kit

• OEM Brand: Mercury Marine / Quicksilver

• Kit Size: Approximately 15-piece service kit

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Compatible Engines & Drives

Commonly used on a wide range of Mercury engines and drives, including:

Mercury FourStroke Outboards

• 40–60 HP BigFoot / Command Thrust

• 75–115 HP FourStroke

• 150 HP EFI FourStroke

• L4 and L6 Verado outboards with 4.8-inch torpedo gearcases

Mercury Two-Stroke Outboards

• 60 HP BigFoot (serial 0D000750 and newer)

• 70–90 HP (serial 0A996142 and newer)

• 100–125 HP 4-cyl models

• 3.0L V-200 / V-225 / V-250 outboards

MerCruiser Sterndrives

• Alpha One Gen II drives

• Serial numbers 0D469859 and newer

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What’s Included

A complete kit typically contains the major service parts needed for a water pump rebuild, such as:

• Water pump impeller

• Wear plate

• Pump housing components

• Gaskets and seals

• O-rings and hardware

• Drive key

These components restore proper pump operation and cooling water circulation.

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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.

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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.