Price: $5.85
Save: $3.64
(38% Off $9.49)
Part # 18-7844
2nd Day Air for $2 More Eligible
Price: $6.99
Save: $1.62
(18% Off $8.61)
Part # 9-37801
2nd Day Air for $2 More Eligible
Price: $5.93
Save: $3.56
(37% Off $9.49)
Part # 18-7845
2nd Day Air for $2 More Eligible
Sierra
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Based On 6 Reviews | Write Review
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Always good
by Dave from London, Ontario on July 18, 2016
Have been using Sierra filters for years. Great product at a reasonable price
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Fuel water separator
by Paul from Carmichael, California on May 09, 2016
This was the right fit it worked perfect the price was great .
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LOOKS GOOD
by JOE from Ludington, Michigan on February 18, 2015
GOOD
(0 of 1 people found this review helpful)
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good
by Daniel from Central Square, New York on September 29, 2014
good
(0 of 1 people found this review helpful)
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Sierra Fuel/Water Separator
by Andrew from Rogers, Ohio on May 01, 2012
With gasoline now contaning 10% ethanol, removing water from the fuel is important. Ethanol attracts moisture from the air, and moisture in the engine is bad news. I've used Sierra fuel/water separators for years, and never had any such related problems with water. They should be changed yearly, more frequently if you run more than the average.
(14 of 15 people found this review helpful)
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Review for Sierra 18-7844 Fuel Water Separator Filter
by a Customer on March 20, 2009
(5 of 18 people found this review helpful)
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Based On 1 Review | Write Review
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Good Price
by Raymond from Belvidere, New Jersey on May 27, 2011
it is what I odered but have not used it yet
(1 of 6 people found this review helpful)
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Based On 9 Reviews | Write Review
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Absolute must for all marine engines
by Rene from Wilsonville, Oregon on August 08, 2016
Works great, no fuel issues since I began using these.
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Fuel Water Seperator
by James from Chesapeake, Virginia on July 25, 2016
Very pleased. Fast shipping.
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Sierra 18-7845 filter
by Thomas from Bemidji, Minnesota on June 18, 2016
Iboats had the best online price for this filter. They also have shipping rates that are lower than most other online retailers of boating accessories. Great company to deal with.
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A+
by Gene from Trempealeau, Wisconsin on July 15, 2015
Fits and works great
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Fits my factory Mercruiser fuel filter header
by Jim from Tolono, Illinois on September 15, 2013
Nothing else to say. Fits. Seems to work. Cheap.
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good product
by Peter from Flushing, New York on June 15, 2013
satisfied
(0 of 1 people found this review helpful)
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21 Micron filter
by Emmett from Pearland, Texas on April 26, 2013
This is labeled as a replacement for the Mercury 35-802893Q, but when received the specs reflect it is a 21 Micron filter! NOT the 10 Micron filer I need. I had looked for the specs on-line before ordering and they were not listed. The 10 Micron P/N is 18-7945 according to the West Marine website.
(1 of 3 people found this review helpful)
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water filter
by James from Texas City, Texas on April 16, 2012
i have always had a great experience dealing with i-boats and have always gotten quality products for a low price and these water filters for my boat are no exception. great filter for a great price !!!!
(2 of 7 people found this review helpful)
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Filters
by Giuseppe from Hillsborough, New Jersey on August 15, 2011
Great service
(1 of 6 people found this review helpful)
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Perfect fit
by Justin from Jasper, Georgia on July 14, 2016
Works good. Replaced my old filter. Iboats has super fast shipping.
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The 10 Micron Long does not work on my boat
by Roderick from Toms River, New Jersey on June 22, 2015
Did not work for my 7.4 MPIs L29 mercruiser engines... The fuel flow was not sufficient an starved the engines... I wasted the three of these filters... I am only going to use OEM or Quicksilver from now on...
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The 10 Micron Long does not work on my boat
by Roderick from Toms River, New Jersey on June 22, 2015
Did not work for my 7.4 MPIs L29 mercruiser engines... The fuel flow was not sufficient an starved the engines... I wasted the three of these filters... I am only going to used OEM or Quicksilver from now on...
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Great Filter at a Good Price
by Jeffrey from Metairie, Louisiana on May 11, 2015
Excellent filtration and excellent flow rate
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Fuel Water Separating Filter
by Marc from Spokane, Washington on October 06, 2014
Fast shipping, great product
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Filters for maintenance...
by John from Richardson, Texas on September 24, 2014
Great price on the filters every boater needs for yearly maintenance!
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Good value
by Philip from Chelmsford, Massachusetts on September 01, 2013
Does what its supposed to do at a good price.
(0 of 1 people found this review helpful)
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water separators
by Vincent from Hauppauge, New York on May 15, 2013
Received in a quick time product is perfect and good quality
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sierra water separating filter
by Peter from Bronx, New York on March 27, 2012
Works throughout the year and works great
(1 of 2 people found this review helpful)
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Sierra Filters Work Great
by Michael from Prattville, Alabama on June 13, 2011
I switched to the 10 micron fuel/water separator filter in 2008 and have had great service from them. I change them every 50 hours and keep spares on the boat. I've never had a clog and I don't have issues with the 10% ethanol fuel I'm running. Great price too!
(7 of 8 people found this review helpful)
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Q:
I have a merc cruiser 5.7 LX EFI Gen. Current separator is Merc 35-802893T. Which Sierra Separator can I use? See 18- 7945 and 7944 and 7845 and 7844, but all say replace a 35-802893Q and I have series T.?
A:
Unfortunately, the manufacturer only carries for the Q series.


Q:
How can I determine if I need to replace my fuel/water separating filter for a 4.2L 1989 MerCruiser with 1/4" outlet?
A:
It needs to be changed every 50 hours or once a year.


Q:
Does this fit on a GM 302 Inboard engine. 2001 Glastron Volvo Penta ???
A:
Please call or chat in with engine info to confirm, we need manufacturer name, horse power, model/serial number.


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