Yamaha Outboard Thermostats

Blowout
Save 10%-42% Off.
Limited Sale Price: $18.03
Save: $11.97
(39% Off $30.00)
Part # 18-3540 ValueShip™ Eligible

Details:

  • Temperature Rating: 50 Degrees Celsius (122 Fahrenheit)

Replaces OEM #:

  • 6E5-12411-30-00

Fits: 9.9-15 (1996-06), 20 (1996-97), 25 (1988-95), 30 3-cyl (1987-91), 40 (1986-05), C40 3-cyl (1998-02), 50 (1986-05), C50 (1998-01), P50 (1987-96), 115 (1984-05), B115 (1998-99), C115 (1991-00), P115 (1993-96), S115/S130 (1996-98), 130/L130 (1988-05), 150/175/200 (1986-05), C150 (1996-99), D150/DX150 (1997-05), L150/ L200 (1986-99), LX150/LX200 (1999-01), P150 (1986-99), PX150 (1999), SX150/ SX200 (1999-04), V150 (2000-05), VX150 (2000-05), VZ150/VZ175/VZ200 (2001-05), Z150/Z175/Z200 (2000-05), P200 (1991-93), V200/V225 (1998-99), VX200/VX225 (2000-05), V6 Special (1984-86), V6 Excel (1987-89), 225 2.6L (1990-97), S225/L225 3.1L (1994-99), SX225/LX225 3.1L (2000-02), 250/L250 2.6L (1990-95), S250/L250 3.1L (1996-99), SX250/LX250 3.1L (2000-02), VX250 3.1L (2002-04)
Limited Sale Price: $27.00
Save: $18.36
(40% Off $45.36)
Part # 18-3541 ValueShip™ Eligible
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Replaces OEM #:

  • Yamaha 66M-12411-01-00
  • Yamaha 66M-12411-00-00
  • Yamaha 6G8-12411-00-00
  • Yamaha 6G8-12411-01-00
  • Yamaha 6G8-12411-02-00
  • Yamaha 6G8-12411-03-00

Fits: F6 (2001-05), F8 (2001-05), T8 (2001-05), F9.9 (1985-05), T9.9 (1985-05), T9.9 (1991-05), F15 (1998-05), F25 (1998-05), T25 (2001-05), F30 (2001-05), F40 4cyl (1999), F40 3cyl (2000-05), F50 (1995-05), T50 (1996-05), F60 (2002-05), T60 (2003-05), F80 (1999-00), F100 (1999-00)
Limited Sale Price: $20.61
Save: $12.86
(38% Off $33.47)
Part # 18-3608 ValueShip™ Eligible
    Kit includes: Thermostat (18-3540) and gasket (18-0844)

    Fits: 115 (1991-02), C115 (1991-99), P115 (1993-96), S115 (1996-99), 130 (1991-02), L130 (1991-00), S130 (1996-99), 150 (1991-02), C150 (1996-99), L150 (1991-99), P150 (1991-99), S150 (1996-99), V150 (2000-02), Z150 (2001-02), 175 (1991-95, 97), P175 (1994-99), V175 (2000), Z175 (2001-02), 200 (1991-98), L200 (1991-99), P200 (1991-99), S200 (1996-99), V200 (1998-99), Z200 (2001-02), 225 (1991-97), V225 (1998-99)

Limited Sale Price: $20.67
Save: $12.80
(38% Off $33.47)
Part # 18-3609 ValueShip™ Eligible

Contains:

  • (1) 18-0829 Cover Gasket
  • (1) 18-3540 Thermostat
Limited Sale Price: $32.99
Save: $15.96
(32% Off $48.95)
Part # 18-3611 ValueShip™ Eligible
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    Fits: 15 (2006), F15 (1998-06), F25 (1999-06), F30 (2001-06), F40 (1999-06), F50 (1996-06), F60 (2002-06), F9.9 (2005-06), T25 (2001-06), T50 (1996-06), T60 (2003-06), T9.9 (2005-06)
Limited Sale Price: $23.41
Save: $13.78
(37% Off $37.19)
Part # 18-3608D ValueShip™ Eligible
Hurry! Only 1 left in stock
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Yamaha Thermostat Kit

    Fits: 115 (1991-02), C115 (1991-99), P115 (1993-96), S115 (1996-99), 130 (1991-02), L130 (1991-00), S130 (1996-99), 150 (1991-02), C150 (1996-99), L150 (1991-99), P150 (1991-99), S150 (1996-99), V150 (2000-02), Z150 (2001-02), 175 (1991-95, 97), P175 (1994-99), V175 (2000), Z175 (2001-02), 200 (1991-98), L200 (1991-99), P200 (1991-99), S200 (1996-99), V200 (1998-99), Z200 (2001-02), 225 (1991-97), V225 (1998-99)

    KIT CONTAINS

  • 18-3540 Thermostat (OEM-6E5-12411-30-00) 1
  • 18-0844 Gasket (OEM-688-12414-A1-00) 1

    DISPLAY PACKAGE

Limited Sale Price: $5.15
Part # 18-0754 ValueShip™ Eligible
Hurry! Only 1 left in stock
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Replaces OEM part #
  • YAMAHA 68D-E2414-A0-00
Limited Sale Price: $21.51
Save: $14.82
(40% Off $36.33)
Part # 18-3622 ValueShip™ Eligible
Replaces OEM part #
  • YAMAHA 6H3-12411-11-00
  • YAMAHA 6H3-12411-00-00
  • YAMAHA 6H3-12411-01-00
  • YAMAHA 6H3-12411-10-00
For:
  • 60TLR-0405
  • 70TLR-0405
  • 70TLR-0406
  • 70TLR-0407
  • 70TLR-0408
Additional Details:
  • Temperature Rating: 50 Degrees Celsius
Limited Sale Price: $20.87
Save: $15.09
(41% Off $35.96)
Part # 18-3623 ValueShip™ Eligible
Replaces OEM part #
  • YAMAHA 6E5-12411-02-00
For:
  • 8MSH-0405
  • 8MSH-0406
  • 8MSH-0407
  • 8MSH-0608
  • 8MSHD-2005
Limited Sale Price: $41.21
Save: $7.20
(14% Off $48.41)
Part # 18-3624 ValueShip™ Eligible
Hurry! Only 1 left in stock
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Replaces OEM part #
  • YAMAHA 69M-12411-01-00
For:
  • F2.5MSH-0405
  • F2.5MSH-0406
  • F2.5MSH-0407
  • F2.5MSH-0608
  • F2.5MSHD-2005
Limited Sale Price: $24.51
Save: $18.25
(42% Off $42.76)
Part # 18-3625 ValueShip™ Eligible
Replaces OEM part #
  • YAMAHA 6F5-12411-03-00
  • YAMAHA 6F5-12411-01-00
  • YAMAHA 6F5-12411-02-00

Details:

  • Temperature Rating: 60 Degrees Celsius
  • Includes Seal
For:
  • 9.9EL
  • 9.9ES
  • 15EL
  • 15ES (1986-1995)
  • 9.9L
  • 9.9S
  • 15L
  • 15S (1986-1990)
  • 9.9M
  • 15ML
  • 15MS
  • C55EL (1991-1995)
  • C25EL
  • C40EL (1991-1997)
  • C25ML (1993-1997)
  • C25MS
  • C40MS
  • C40PS (1992-1997)
  • C30EL (1991-1992)
  • CV30EL (1989-1990)
  • C40ML (1994-1995)
  • C55TL (1993-1995)
  • CV25EL
  • CV25EM
  • CV40EL(1990)
  • CV55EL (1989)
Limited Sale Price: $36.94
Save: $4.29
(10% Off $41.23)
Part # 18-3525 ValueShip™ Eligible
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Replaces OEM Part #:
  • Yamaha 60V-12411-00
Thermostat Gasket - 18-60508 - Sierra
Limited Sale Price: $2.66 (Out of stock)
Save: $0.61
(18% Off $3.27)
Part # 18-60508 ValueShip™ Eligible
No Reviews  |  Write Review  |  Ask Question
Replaces OEM Part #:
  • Yamaha 60V-12414-A0-00
(Out Of Stock)
Low Price Guarantee
Thermostat Gasket - 18-60540 - Sierra
Limited Sale Price: $2.74
Save: $0.63
(18% Off $3.37)
Part # 18-60540 ValueShip™ Eligible
No Reviews  |  Write Review  |  Ask Question
Replaces OEM Part #:
  • Yamaha 676-12414-A0-00
Limited Sale Price: $2.90
Save: $1.09
(27% Off $3.99)
Part # 18-99142 ValueShip™ Eligible
No Reviews  |  Write Review  |  Ask Question
Replaces OEM Part #:
  • Yamaha 6E9-12414-A1
Sierra
Mallory and Sierra Thermostats for Yamaha outboard engines.
Average Customer Review for Sierra 18-3540 Yamaha Thermostat
Full StarFull StarFull StarHalf StarEmpty Star Based On 3 Reviews | Write Review
Full StarFull StarFull StarFull StarFull StarThermostat for a 150 Hp Yamaha
by Brad from Orange, Texas on May 17, 2016
Part is exactly what I needed. A perfect fit!
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Full StarFull StarFull StarFull StarFull StarGood product. Good price.
by Robin from Newton, North Carolina on November 08, 2014
New thermostats worked great.
Was this review helpful?
Full StarEmpty StarEmpty StarEmpty StarEmpty StarWrong thermostat was shipped
by Paul from Friendswood, Texas on November 14, 2013
I ordered the Thermostat - Sierra Part # 18-3540. Two issues. 1)This thermostat was not compatible with my outboard Yamaha 115HP 2-stroke 2)The thermostats that were shipped to my address was not identical to the picture of the part Thermostat - Sierra Part # 18-3540 listed with the web site. I Will return to part to iboats soon.
(1 of 1 people found this review helpful)
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Average Customer Review for Sierra 18-3622 Thermostat Kit
Full StarFull StarFull StarFull StarFull Star Based On 1 Review | Write Review
Full StarFull StarFull StarFull StarFull StarPerfect Match
by Brian from Jupiter, Florida on October 02, 2012
Part came in ontime and in good condition. Engine cooling is working now
(2 of 2 people found this review helpful)
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Q:
Will this fit my 2001 yamaha 40 hp 2 stroke ?
A:
Yes, this is a standard kit for your Yamaha application.
Q:
Will this fit a 1987 yamaha 30hp 3 cyl?
A:
Yes this will fit your engine.
Q:
Will this work on 2002 Yamaha 115 4 Stroke?
A:
Yes, this is the standard replacement for your Yamaha engine.
Q:
Is this the proper thermostat for 2003 Yamaha 250 hpdi?
A:
It depends on your model number. Different models call for different thermostats. Best thing to do is call us with your model number and we can take a look. 1-800-914-1123.
Q:
What is proper thermostat for my yamaha 1998 150 salt water series II?
A:
This thermostat will work for your application.
Q:
Wil this Thermostat fit the 2002 Yahama 150TXRA?
A:
Yes this will fit your motor.
Q:
Will this one fit my 1999 200hp sal er II S200TXRX?
A:
Yes this will work for your engine.
Q:
Will this fit a sx 250 txra yamaha?
A:
Yes, this does go to a SX250 year 200-2002.
Q:
Are there 2 in pack?
A:
It is sold individually.
Q:
2002 yamaha sx200txra is this the thermostat i need?
A:
Yes this is the thermostat for your engine.
Q:
Will this fit my 2001 Yamaha 115 4 stroke outboard?
A:
No this will not. You will need 18-3525.
Q:
Is this the proper thermostat kit for a 2004 Yamaha F150 4-stroke?
A:
Yes, this thermostat kit is the match for your Yamaha engine.
Q:
Will this fit a 97 8mlhw?
A:
No, the 18-3608 Thermostat Kit is designed to replace Yamaha 115hp & up. Look in the Description tag to see what engines it will work for.
Q:
What gasket is need for this product?
A:
The seal is included with the purchase of this thermostat.
Q:
Will this fit a 90hp outboard?
A:
This is a aftermarket part. We need your engine model number to look up a diagram of your engine to see if this part matches up to the OEM part number for your engine. Please email, chat or call in with your FULL engine information including engine manufacturer, horse power, year and model number.
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