Mariner Thermostat Gaskets

Your Price: $1.63
Save: $1.08
(39% Off $2.71)
Part # 18-2721 ValueShip™ Eligible
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 ValueShip™ Eligible
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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 ValueShip™ Eligible
Hurry! Only 1 left in stock
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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 ValueShip™ Eligible
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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 ValueShip™ Eligible
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 ValueShip™ Eligible
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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 ValueShip™ Eligible
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Replaces OEM part #
  • MERCURY MARINE 27-43006-2
For: Mercury/Mariner 70-90 HP
Your Price: $2.70
Part # 18-0380 ValueShip™ Eligible
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Replaces OEM part #
  • MERCURY MARINE 27-83940M
Mercury & OMC Thermostat Gskt
Your Price: $0.89
Save: $0.20
(18% Off $1.09)
Part # 540-32
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    Mercury:
  • 310058
  • 508633
  • 27-62386001
Merc Attenuator To Carb Gasket
Your Price: $0.71
Save: $0.16
(18% Off $0.87)
Part # 516-29
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    Mercury:
  • 27-89221-1
Sierra
Average Customer Review for Thermostat Cover Gasket - 18-2721 - Sierra
Full StarFull StarFull StarFull StarFull Star Based On 1 Review | Write Review
Full StarFull StarFull StarFull StarFull StarIt fits
by David from Fulton, Illinois on August 31, 2015
Fit correctly first time
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Full StarFull StarFull StarFull StarFull Star Based On 1 Review | Write Review
Full StarFull StarFull StarFull StarFull StarGrommet for thermostat for 1979 Johnson 55 HP
by Dan from Lansing, Illinois on July 27, 2015
Perfect Fit!
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