Yamaha Outboard Thermostats

Thermostat - Sierra
Your Price: $20.99
Save: $9.01
(30% Off $30.00)
Part # 18-3540 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 21 hrs 12 mins.
    Replaces: 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)
Thermostat - Sierra
Your Price: $29.99
Save: $14.00
(31% Off $43.99)
Part # 18-3541 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 21 hrs 12 mins.
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    Replaces: 66M-12411-01-00
    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)
Thermostat Kit - Sierra
Your Price: $21.99
Save: $10.48
(32% Off $32.47)
Part # 18-3608 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 21 hrs 12 mins.
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    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)

Thermostat Kit - Sierra
Your Price: $21.99
Save: $10.48
(32% Off $32.47)
Part # 18-3609 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 21 hrs 12 mins.
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Thermostat Kit - Sierra
Your Price: $32.99
Save: $14.50
(30% Off $47.49)
Part # 18-3611 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 21 hrs 12 mins.
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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)
Thermostat Kit - Sierra
Your Price: $27.81
Save: $8.26
(22% Off $36.07)
Part # 18-3608D ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 21 hrs 12 mins.
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    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

18-0754 Thermostat Gasket - Sierra
Your Price: $5.03
Part # 18-0754 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 21 hrs 12 mins.
Hurry! Only 1 left in stock
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Replaces OEM part #
  • YAMAHA 68D-E2414-A0-00
18-3622 Thermostat Kit - Sierra
Your Price: $23.99
Save: $10.39
(30% Off $34.38)
Part # 18-3622 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 21 hrs 12 mins. Replaces OEM part #
  • YAMAHA 6H3-12411-11-00
For:
  • 60TLR-0405
  • 70TLR-0405
  • 70TLR-0406
  • 70TLR-0407
  • 70TLR-0408
18-3623 Thermostat (Seal Included) - Sierra
Your Price: $22.41
Save: $10.46
(31% Off $32.87)
Part # 18-3623 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 21 hrs 12 mins.
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Replaces OEM part #
  • YAMAHA 6E5-12411-02-00
For:
  • 8MSH-0405
  • 8MSH-0406
  • 8MSH-0407
  • 8MSH-0608
  • 8MSHD-2005
18-3624 Thermostat Kit - Sierra
Your Price: $42.70
Save: $3.29
(7% Off $45.99)
Part # 18-3624 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 21 hrs 12 mins.
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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
18-3625 Thermostat (Seal Included) - Sierra
Your Price: $28.79
Save: $13.97
(32% Off $42.76)
Part # 18-3625 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 21 hrs 12 mins.
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Replaces OEM part #
  • YAMAHA 6F5-12411-03-00
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)
Sierra
Mallory and Sierra Thermostats for Yamaha outboard engines.
Average Customer Review for Thermostat - Sierra
Based On 2 Reviews | Write Review
Good product. Good price.
by Robin from Newton, North Carolina on November 08, 2014
New thermostats worked great.
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Wrong 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.
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Average Customer Review for 18-3622 Thermostat Kit - Sierra
Based On 1 Review | Write Review
Perfect Match
by Brian from Jupiter, Florida on October 02, 2012
Part came in ontime and in good condition. Engine cooling is working now
(1 of 1 people found this review helpful)
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