Mercury – Water Pump Repair Kit | Multi-Engine Cooling System Kit | Marine-Grade Components | 8M0100526

Overview

Every boater knows the sound of an engine running cool and steady. It is the kind of reassurance you feel more than you hear—whether you are drifting through a quiet inlet or pushing toward open water. The Quicksilver 8M0100526 Water Pump Repair Kit brings that sense of calm back to your outboard or sterndrive. When your cooling system is built on dependable parts, you can focus on the day ahead, not the temperature gauge. This kit gives you that confidence, packing everything you need to keep your engine’s heart quietly circulating the water that protects it mile after mile.

Key Features

• Complete 15-piece water pump repair kit for a full, reliable overhaul
• Includes gaskets, o-rings, plates, seals, impeller, and key
• Marine-grade materials designed for higher flow rates and consistent cooling
• Impeller elastomers maintain flexibility across wide temperature swings
• Engineered to meet Mercury Marine OEM specifications

Engine & Boat Compatibility

This Mercury Marine part number 8M0100526 fits a wide range of engines, including:

• Mercury F40–F60 FourStroke BigFoot/Command Thrust
• Mercury 60 horsepower Two-Cycle BigFoot outboards
• Mercury 75–115 horsepower FourStroke outboards
• Mercury 150 horsepower EFI FourStroke outboards
• Mercury 70–90 horsepower Two-Cycle outboards
• Mercury 100–125 horsepower Two-Cycle (four-cylinder)
• Mercury V-200, V-225, V-250 (3.0-liter) Two-Cycle engines
• All four- and six-cylinder Verado outboards with 4.80 diameter torpedo gearcases
• MerCruiser Alpha One Gen II sterndrives (serial number 0D469859 and above)

Great for boaters running:

• Fishing boats
• Pontoons
• Workboats
• Family runabouts
• Offshore center consoles

Performance & Practical Benefits

Cooling performance is one of those things that quietly dictates the entire feel of a boat. When this kit is installed, you immediately notice how steady everything becomes. Temperatures stay predictable. Idle feels smoother. The engine just seems more at ease. The updated impeller and seals provide crisp, tight water flow, helping your engine stay protected during long idle sessions, high-speed runs, and every hot summer day in between.

The variety of seals and gaskets in the kit ensures a clean, secure fit. You will not struggle with alignment or wonder if you missed a critical o-ring. Everything is engineered to fit precisely, preventing leaks and maintaining full pump efficiency. Whether you’re restoring an older motor or simply staying ahead of routine maintenance, this kit lets you do the job right the first time.

Why Buy OEM

When it comes to cooling systems, guessing is not an option.

• Genuine Mercury OEM parts guarantee the exact fit for your engine
• Designed for long-term durability in real marine environments
• More reliable and cost-effective than aftermarket substitutes
• Protects your engine from overheating, damage, and early wear
• Peace of mind every time you turn the key

Think of it as insurance for the heart of your engine—reliable, tested, and built for the long haul.

FAQ

Q1: Which engines does this water pump repair kit fit?

It fits a broad list of Mercury outboards, Verado models, and MerCruiser Alpha One Gen II sterndrives. Check the compatibility list above for specifics.

Q2: What sets this apart from aftermarket kits?

OEM engineering means exact tolerances, proper water flow, better materials, and fewer installation surprises.

Q3: How do I confirm this is the right replacement?

Match your engine’s serial number and model to the compatibility list or your owner’s manual.

Q4: Does it work in saltwater and freshwater?

Absolutely. The materials are designed to withstand both environments.

Q5: Is installation beginner-friendly?

Most boaters with basic mechanical skills can complete the job using common tools, though professionals can handle it quickly if you prefer.