Water Pump Impeller - 18-8920 - Sierra
Price: $17.61
Save: $5.88
(25% Off $23.49)
Part # 18-8920
2nd Day Air for $2.99 More Eligible
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This item is found in the following Product Families
Replaces 3B2-65021-1
  • Fits: 8(8B models), 9.8 (9.8B model), 8 4-stroke (All), 9.8 4 stroke (All)
  • For Nissan/Tohatsu
  • Average Customer Review for Water Pump Impeller - 18-8920 - Sierra
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    Based On 4 Reviews | Write Review
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    by Jay from Little Egg Harbor, New Jersey on July 03, 2016
    Excellent service from your ordering department. The product arrived on time and installed with ease following the instructions included in the package.
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    Sierra Impeller
    by Larry from Monticello, Indiana on March 28, 2014
    Fits great,Just like oem!!!
    (1 of 1 people found this review helpful)
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    Horralbe return policy practices
    by William from Huntington, Indiana on November 04, 2012
    I ordered an impeller for my 9.8a Nissan outboard. When I got to the point of changing it it would not fit over the drive shaft. I contacted iboat, talking to a Peter and Julie, They was to get me an Return athorization Number so It could be returned. Iboats poolicy was within 2-3 business days. I have Not received the number yet, 10 days passing. In waiting I found the problem with the impeller, the drive shaft outside diameter is.575, the inside diameter of the impeller is also .575-not wonder it would not fit. I am not so upset about the part, made by Sierra, as I am about trying to gert the impeller returned and my money refunded. I will more the probably not be ordering anything else from iboat. Bill
    (5 of 5 people found this review helpful)
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    by Austin from San Marcos, Texas on March 23, 2012
    The part did not fit my outboard, the ineer diameter of the impeller ws to small to fit the drive shaft of the outboard. I had to bore the inside of the impeller out to make it fit. This delay almost ruined my fishing trip. Your parts are supposed to be universal and fit the outboard but they do not. That is a liitle misleading and I will hesitate to order any other parts from this company for that reason. Please make sure your parts do fit the application they are claimed to fit.
    (8 of 8 people found this review helpful)
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    What impeller fits a NS5B 1998 5hp?
    We do not have an impeller for your motor. The OEM number is 36965-0210.

    Will this fit a NS90A/387?
    No it will not. The OEM number for your motor is 3B7-65021-1.

    Will this fit a 25 horse 4 strok Tohatsu? 345-65021-0?
    No it will not fit that OEM number. You will need part number 18-8923.

    What impeller fit's my mfs9.8a3thanks mark?
    This will work with your outboard.

    Will this fit a 1989 9.9 Nissan 2 stroke?
    We will need to know the model number in order to confirm the impeller.

    Does this fit a NS 9.8B 2-stroke serial?
    This is a replacement impeller for the 9.8B model engine.

    What impeller will fit Model# m8b-3b2-39347?
    This is for the M8B Tohatsu motor. So this should work.

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