8 Best Water Pump For 40Hp Mercury Outboard

Water Pump Impeller for Mercury Outboard Motor 30HP 35HP 40HP 45HP 50HP 60HP,65HP 70HP Compatible Part Number 47-89983T

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Uanofcn 821354A2 Water Pump Impeller Kit for Mercury Mariner Marine Outboards 25 to 50 HP Motor with Tubes

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Marine Water Pump Impeller Kit Replaces Mercury Mariner Force 30HP 40HP 45HP 50HP Engine 821354A2 8508910 Outboard 4-Stroke 1998-Up

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Quicksilver 8M0100526 Water Pump Repair Kit – Mercury and Mariner Outboards and MerCruiser Stern Drives

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Quicksilver 96148Q8 Water Pump Repair Kit – Mercury and Mariner Outboards and MerCruiser Stern Drives

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Big-Autoparts Water Pump Impeller for Chrysler Force Mercury 25HP 35HP 40HP 50HP 2-stroke Outboard Motors 47-F433065-2

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A.A Water Pump Impeller Kit + Exhaust Tube Seal for Mercury 30 35 40 45 50 60 65 70-46-77177A3, 18-3324

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Quicksilver Water Pump Repair Kit 821354A2 – Outboards – for Mercury or Mariner 40 HP Through 50 HP, 4-Stroke Outboards

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How much does it cost to replace a water pump on a Mercury outboard?

The cost to replace a Mercury Mariner water pump is between $450 and $600. The labor cost is between $175 and $220 and the parts cost between $283 and $379.

How often should you change water pump on Mercury outboard?

How often should a water pump be changed? The water pump won’t need to be replaced if the housing is damaged. Water pump related issues should be avoided if you replace the water pump impeller every three years.

When should I replace my outboard water pump?

Salt, sand, mud, sticks, and other debris can cause damage to the pump impeller, housing, and related parts. That is the reason most outboard technicians recommend replacement every season.

How often should an outboard impeller be replaced?

If you follow the instructions in your manual, you should replace the impeller every 200 hours. The vanes become rigid and work less effectively as time goes on.

How do you know if your outboard water pump is bad?

A bad water pump can make the water pressure go down. If not corrected, the outboard can stop pumping water out of the tell-tale, start to overheat, and cause a lot of damage.

How do you know if your outboard is overheating?

If your outboard motor is overheating, you can check the dash gauge. The gauge on the dash is the temperature. If it’s green, you don’t have to worry about anything, but if it goes from green to red, that’s an indication that your boat is overheating.

What happens when boat impeller fails?

If your pump doesn’t work, your engine will get overheated and you will have to replace it. Major problems can be avoided if you catch the problem early on. If you don’t catch a bad impeller, your engine will fail.

How hot should the water be coming out of my outboard?

If you put your hand under the tell-tale, it will warm up when you shut the engine off. The outboards operate at a lower temperature than a car engine. The temperature with a standard thermostat is 140 degrees F.

Why is my Mercury outboard not pumping water?

If the engine is turned off, you can check for weeds or trash that might be blocking the water intake. If there is a foreign object in the engine, remove it and restart it. The small tube-like structure of the water output in most outboards can easily be blocked.

How hard is it to replace impeller?

Every boater should add to their arsenal of do-it-yourself maintenance if they want to change an impeller. If you’re not very slow, it takes less than 20 minutes to change an impeller on an engine. Physical access to the pump is one of the more complex aspects of the task.

How long can you run a boat motor out of water?

For the earmuffs, it takes about 15 minutes. You don’t need to run the engine for a long time when the water is out. It is time to get out of the drum or hit the water if you need more time.

How long does a water pump last in a boat?

It is recommended by most marine engine brands that the impellers be replaced every 300 hours or 3 years. The water pump housing needs to be replaced every 300 hours.

How long does it take to change an impeller?

It can take less than 20 minutes to change an impeller on an engine. Physical access to the pump is one of the more complex aspects of the task. When it comes to time and hours of use, raw water impellers don’t always adhere to the schedule.

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