This product has been discontinued.
Sierra
Sierra 18-7945 - Replacement Water Separating Fuel Filter, Long Universal
Price: $6.95
Discontinued
Save: $2.04
(22% Off $8.99)
Part # 18-7945
(Discontinued)
This item is found in the following Product Families
Replaces OEM part #
  • MERCURY MARINE 35-802893Q
  • YAMAHA ABB-FUELF-IL-TR (long filter 4.35")
90 GPH/10 Micron Filtration, Over 90% Efficiency
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GREAT FILTERS
by William from Cincinnati, Ohio on October 05, 2016
I've been using these filters for years. Always keep my gas clean and have more than adequate flow rate for just about any size engine.
(2 of 3 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.
(1 of 2 people found this review helpful)
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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...
(1 of 2 people found this review helpful)
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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...
(1 of 2 people found this review helpful)
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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
(2 of 3 people found this review helpful)
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Fuel Water Separating Filter
by Marc from Spokane, Washington on October 06, 2014
Fast shipping, great product
(1 of 2 people found this review helpful)
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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!
(1 of 2 people found this review helpful)
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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.
(1 of 3 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
(1 of 2 people found this review helpful)
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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
(2 of 4 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!
(9 of 11 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.


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