This product has been discontinued.
Sierra
Sierra 18-3039 Water Pump Impeller
Price: $10.95
Discontinued
Save: $4.54
(29% Off $15.49)
Part # 18-3039
(Discontinued)
Replaces OEM part #
  • MERCURY MARINE 47-89981
  • MERCURY MARINE 47-65957
  • MERCURY MARINE 47-39074
Additional Details:
  • I.D.: 0.456" or 11.6mm
Average Customer Review for Sierra 18-3039 Water Pump Impeller
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Based On 23 Reviews | Write Review
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Came undone
by Brett from Marengo, Illinois on August 08, 2016
2nd time I had to replace in 2 month period because hub separated from rubber
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Good price for a good product
by Moore from Goochland, Virginia on April 28, 2015
Product was well worth the money and easy to install. Worked good.
(1 of 1 people found this review helpful)
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nice
by John from Sacramento, California on February 17, 2015
Good item
(1 of 1 people found this review helpful)
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Water Pump Impeller - 75 Merc 4.5 hhp
by S.C. from MIlwaukee, Wisconsin on September 15, 2014
The tech (Andy) was EXTREMELY helpful. He crossed referenced to find the exact part(s) for this 40 year old Merc outboard. He gave me very courteous and patient assistance. He even found the correct carb gasket kit. Everything fit fine. And this old motor is back up and running like new! (After priming, this old motor starts on one pull!!!). Thanks for the help Andy!
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Fast and dependable
by Larry from Ray, Ohio on July 09, 2014
I just bought a new impeller From iboats and they were fast in sending it. I would recomend them to anyone that is looking for parts for boats motors. Their service is fast and the parts are good. Thanks for this service which is as dependable as you can find anywhere.
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6-hp impeller
by Bob from Winter Haven, Florida on February 11, 2014
great price - old motor parts still in stock - thanks - bob
(1 of 1 people found this review helpful)
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water pump kit
by Don from Malaga, Washington on December 12, 2013
Price shipping happened just as advertised. It fit, works great. I'll be back
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by Big from Big Lake, Alaska on September 26, 2013
fast and efficient.
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Excellent product
by Dino from Mansfield, Ohio on March 29, 2013
Worked well as stated!
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water pump impeller purchase
by Jerry from Redwood City, California on December 19, 2012
great service , quick delivery, low cost shipping! Happy all the way around!
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water pump impeller
by Jeffrey from Weyauwega, Wisconsin on October 12, 2012
Very prompt shipping. Fair pricing on part. Fair shipping charges. A pleasure doing business with iboats.com Thank you.
(1 of 1 people found this review helpful)
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Impeller for 1967 7.5 Merc OB
by Arnie from Colville, Washington on September 23, 2012
Site was easy to use and find poduct. Fast shipping and boat ready to go in no time. Thanks.
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Awsome! Perfect Fit
by Judd from Orem, Utah on June 27, 2012
This item shipped very fast and fit perfectly. My 1963 Merc 110 9.8 is cooling and running well. Thanks!
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Found this item priced twice as much on other stores
by Romeo from Oak Harbor, Washington on June 11, 2012
Great shipping and great prices too.
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impeller
by Don from Hastings, Minnesota on June 06, 2012
Great fast service. Correct parts. Will order additional parts.
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Works like a new one.
by Robert from Shippenville, Pennsylvania on June 03, 2012
Some simple instructions regarding the direction that the impeller shaft turns would make this item better.
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wesley haddon
by Wesley from Greenwood, Mississippi on May 11, 2012
Great impeller works great and just the right part for the job. Got the part three days earlier than expected. Very fast shipping. Ordered other parts and had great shipping and just the right parts to make the repairs. Will be buying more parts from these great people. Thanks Again for all the great service you have given me. Wesley Haddon
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impeller good
by Wes from Pearsall, Texas on March 01, 2012
nice fit and finish to product and worked well.
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mercury water pump impeller
by Keith from Marianna, Arkansas on February 06, 2012
works great. cheaper than OEM and just as good.
(0 of 1 people found this review helpful)
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Satisfied
by Jude from Erath, Louisiana on August 19, 2011
Product performs as well as OEM.
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impeller
by Richard from Sussex, Wisconsin on July 08, 2011
Works
(0 of 1 people found this review helpful)
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Excellent
by Robert from Roanoke, Virginia on June 07, 2011
The delivery was quick and the impeller was the right one that I ordered. Robert
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great item
by Douglas from Howden, Manitoba on May 18, 2011
the impeller's I bought look good
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