Your Price: $9.99
Save: $3.50
(25% Off $13.49)
Part # 18-0333 2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 9 hrs 46 mins.
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Replaces OEM part #
  • MERCURY MARINE 27-39401
Your Price: $8.99
Save: $3.50
(28% Off $12.49)
Part # 18-0103 2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 9 hrs 46 mins.
Replaces OEM part #
  • MERCURY MARINE 27-79650-1
Your Price: $7.76
Save: $6.73
(46% Off $14.49)
Part # 18-0139 2nd Day Air for $2 More Eligible
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Replaces OEM part #
  • MERCURY MARINE 27-88451-1
Your Price: $8.99
Save: $2.50
(21% Off $11.49)
Part # 18-0319 2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 9 hrs 46 mins.
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Replaces OEM part #
  • MERCURY MARINE 27-828553
  • For: Mercury/Mariner 30-60 HP 2 cyl and 3 cyl
Your Price: $9.98
Save: $3.01
(23% Off $12.99)
Part # 18-0369 2nd Day Air for $2 More Eligible
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Replaces OEM part #
  • MERCURY MARINE 27-75909
Your Price: $36.99
Save: $13.00
(26% Off $49.99)
Part # 18-0378 2nd Day Air for $2 More Eligible
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Replaces OEM part #
  • MERCURY MARINER 27-823142 2
  • MERCURY MARINER 27-823142
Your Price: $2.99
Save: $0.50
(14% Off $3.49)
Part # 18-0385 2nd Day Air for $2 More Eligible
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Replaces OEM part #
  • MERCURY MARINE 27-89937
  • For: Mercury/Mariner 4.5 - 9.8 HP
Your Price: $13.98
Save: $4.01
(22% Off $17.99)
Part # 18-0643 2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 9 hrs 46 mins.
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Replaces OEM part #
  • MERCURY MARINE 27-18307 6
  • MERCURY MARINE 27-18307-1
Your Price: $8.99
Save: $1.50
(14% Off $10.49)
Part # 18-0670 2nd Day Air for $2 More Eligible
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Replaces OEM part #
  • MERCURY MARINER 27-43007-5
Powerhead Base Gasket, GLM 31940 - Sierra
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Your Price: $46.49
Save: $7.74
(14% Off $54.23)
Part # 18-0934-1 2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 9 hrs 46 mins.
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Replaces OEM part #
  • MERCURY MARINE 27-78069
Your Price: $6.99
Save: $2.50
(26% Off $9.49)
Part # 18-0988 2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 9 hrs 46 mins.
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Replaces OEM part #
  • MERCURY MARINE 27-62860-1
Your Price: $11.98
Save: $5.00
(29% Off $16.98)
Part # 18-2835-9 2nd Day Air for $2 More Eligible
SHIPS TODAY!* if ordered in 9 hrs 46 mins.
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Replaces OEM part #
  • MERCURY MARINE 27-69238-1
  • For: Mercury/Mariner 52-90-115-140 HP
  • Pgk of 2
Merc. Reed Block Gasket
Your Price: $1.75
Save: $0.40
(18% Off $2.15)
Part # 516-20
SHIPS TODAY!* if ordered in 9 hrs 46 mins.
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    Mercury:
  • 27-13937-6
Merc. 135-210hp Reed Block Gasket
Your Price: $5.50
Save: $1.26
(18% Off $6.76)
Part # 516-27
SHIPS TODAY!* if ordered in 9 hrs 46 mins.
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    Mercury:
  • 27-14697 2
Sierra
Average Customer Review for Powerhead Base Gasket - 18-0103 - Sierra
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Based On 1 Review | Write Review
Full StarFull StarFull StarFull StarFull Star
Mercury Classic 40
by Samuel from Princeton, West Virginia on March 28, 2012
Good product. Packaged well. It fit perfectly and corrected my problem.
(0 of 1 people found this review helpful)
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Q:
Does this fit my 1985 mariner?
A:
We cross reference by OEM number to know if it works for your motor. It will depend on your HP and serial number. If you would like assistance in getting your OEM number you can call us at 1-800-914-1123.


Q:
Looking for the powerhead gasket for a 1985 mariner 150 V-6 is this it ?
A:
To cross reference OEM numbers we need a serial number. You can call in at 1-800-914-1123 if you need more assistance with that.


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