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Impeller 47-803748

Satisfaction rating 5 out of 5 (7 Ratings)
$31.99
You save $0.43. (1%) $32.42
5+ IN STOCK
Ships Immediately
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  • This is an OEM part manufactured by Mercury Marine
  • Flat rate shipping starting at $4.95
  • 30 day return policy

Product Description

Mercury factory part. Search for more factory parts & parts diagrams.

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7 Product Reviews

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Mercury 20 hp 4 stroke

Repair Difficulty
Easy
Repair Time
30 to 60 mins
Simple online ordering. No hassel.
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Problem fixed: Impeller, pinion gear, oil and fuel filter change

Firstly, I removed the lower unit by loosening the 4 nuts with a 13 wrench as well as the nut from the shifter with an 8 wrench. I completely disassemble the lower unit. I used the number 10 wrench to remove the cap holding the gears inside the unit. From there I had access to remove the pinion gear from the shaft with a 17 wrench. The pinion gear was badly chipped. I replaced it with a new one. I worked on replacing the impeller next. It was simle to replace. It requires the 10 wench or shocket to remove the 4 bolts holding the impeller housing. The unit was then reassembled and out back on the motor. Next, the oil and fuel filters was replaced with new ones. I do not need to go into that. The motor is running well on the water and it doesn't bog while accelerating to speed. The original owner never changed the oil and fuel filter or even the lower unit gear oil. Bought 2 of his motors for a good deal. I will be ordering more parts for the other motor later. Thanks Crowley Marine!

Great prices and super fast shipping
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Great service!
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2009 9.9 mercury pro kicker

Repair Difficulty
Easy
Repair Time
Less than 30 mins
The purchasing process was easy to follow and the part #'s were easy to find with the diagrams.
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Problem fixed: Preventive Matinance

Water pump and props haft seal.

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Due to manufacturer policy OEM Mercury products can only be shipped to addresses within the United States.