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HP:

HP

Beginning S/N

Ending S/N

O.E. #

Sierra Thermostat Gasket

V135 A904646 & UP 27-62386 18-0182
V150 A904646 & UP 27-62386 18-0182
V150 XR4 C239553 C159199 27-62386 18-0182
V150 XR6 D082000 & UP 27-62386 18-0182
V150 MAG II C239553 4571651 27-62386 18-0182
V150 MAG III D082000 4825248 27-62386 18-0182
V175 C100861 & UP 27-62386 18-0182
V200 6435503 & UP 27-62386 18-0182
Refine Parts List
HP:
Your Price: $1.63
Save: $1.08
(39% Off $2.71)
Part # 18-2721 2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 12 mins.
Hurry! Only 1 left in stock
Replaces OEM part #
  • MERCURY MARINE 27-827284
  • For: Mercury/Mariner 30-60 HP 3 cyl. outboards
Your Price: $4.80
Save: $0.14
(2% Off $4.94)
Part # 18-2729 2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 12 mins.
No Reviews  |  Write Review  |  Ask Question
Replaces OEM part #
  • MERCURY MARINE 27-812867-2
  • For: Mercury/Mariner 30-40 HP 2 cyl., 45 Jet, 50-60 3cyl.
Your Price: $3.93
Save: $0.27
(6% Off $4.20)
Part # 18-2749 2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 12 mins.
Hurry! Only 1 left in stock
No Reviews  |  Write Review  |  Ask Question
Replaces OEM part #
  • MERCURY MARINE 27-812867-1
  • For: Mercury/Mariner 45 Jet, 50-60 HP 3 cyl.
Your Price: $2.35
Save: $1.18
(33% Off $3.53)
Part # 18-3675 2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 12 mins.
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Replaces OEM part #
  • MERCURY MARINE 27-850318-1
  • For: Mercury/Mariner 200-250 HP 3.0L, (DFI and EFI)
Your Price: $2.50
Save: $1.28
(33% Off $3.78)
Part # 18-0182-9 2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 12 mins.
Replaces OEM part #
  • OMC 310058
  • MERCURY MARINE 27-62386
  • Pkg. of 2
Your Price: $1.79
Save: $1.27
(41% Off $3.06)
Part # 18-0323 2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 12 mins.
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Replaces OEM part #
  • MERCURY MARINE 27-14318-2
  • MERCURY MARINE 27-14318 3
  • MERCURY MARINE 27-14318005
  • MERCURY MARINE 27-143184
  • MERCURY MARINE 27-14318
Your Price: $4.38
Save: $2.26
(34% Off $6.64)
Part # 18-0339 2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 12 mins.
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Replaces OEM part #
  • MERCURY MARINE 27-43006-2
For: Mercury/Mariner 70-90 HP
Your Price: $2.57
Part # 18-0380 2nd Day Air for $2 More Eligible
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Replaces OEM part #
  • MERCURY MARINE 27-83940M
Mercury & OMC Thermostat Gskt
Your Price: $1.00
Save: $0.09
(8% Off $1.09)
Part # 540-32
No Reviews  |  Write Review  |  Ask Question
    Mercury:
  • 310058
  • 508633
  • 27-62386001
Merc Attenuator To Carb Gasket
Your Price: $0.36
Save: $0.51
(58% Off $0.87)
Part # 516-29
SHIPS TODAY!* if ordered in 12 mins.
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    Mercury:
  • 27-89221-1
Sierra
Average Customer Review for Thermostat Cover Gasket - 18-2721 - Sierra
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Based On 1 Review | Write Review
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It fits
by David from Fulton, Illinois on August 31, 2015
Fit correctly first time
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Grommet for thermostat for 1979 Johnson 55 HP
by Dan from Lansing, Illinois on July 27, 2015
Perfect Fit!
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