This product has been discontinued.
Sierra
Sierra 18-3544 Thermostat
Price: $23.95
 Discontinued
Save: $12.44
(34% Off $36.39)
Part # 18-3544
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4 Customer Reviews
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(Discontinued)
Description Customer Reviews Customer Questions & Answers Shipping

Replaces OE#:

  • Johnson Evinrude 435491
  • Johnson Evinrude 437090

Fits:

  • E100 (2004-2006)
  • E115 (2002-2006)
  • E75 (2002-2003)
  • E90 (2002-2003)
  • E150 (1993-1994)
  • E175 (1993-1994)
  • J105 (2003)
  • J115 (2002-2006)
  • J150 (1993-1994, 2002-2006)
  • J175 (1994, 2002-2006)
  • J90 (2004-2006)
Average Customer Review for Sierra 18-3544 Thermostat
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18-3544 thermostat
by Gary from Tipton, Michigan on July 16, 2019
tried the new pair of stats today and they worked great,thank you..
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Good Product
by Justin from Chandler, Arizona on April 05, 2015
These fit and work just fine on my 96 johnson.
(0 of 1 people found this review helpful)
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haven't tried my boat out since replacing these part's
by Charles from Antioch, Tennessee on February 15, 2012
I'll let you know later this week...thank's
(1 of 5 people found this review helpful)
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18-3544 Thermostat
by Emory from Cartersville, Georgia on June 15, 2011
Great part
(2 of 5 people found this review helpful)
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Q:
Johnson outboard M# J115PL4ST, will this thermostat work on my outboard?
A:
This one will not fit your motor. It will depend on whether you need the 60 degree C or 71 degree. Part number 5033721 is for the 60 and 5033722 is for the 71.

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Q:
1994 johnson J150glera will this part fit?
A:
Yes this will work for your Johnson outboard.

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Q:
Do these work on 1999 J90PLEEB?
A:
Yes this is the thermostat for your engine.

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