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Internal Engine - Gaskets and Matl and Sets

Powerhead Base Gasket
Your Price:
$13.99

Powerhead Base Gasket

676-18-0138

Interchanges/Replaces

GLM

  • 35370

Johnson/Evinrude Outboard

  • 328590

Mallory

  • 9-60423
Powerhead Base Gasket
Your Price:
$23.99

Powerhead Base Gasket

676-18-0813

Interchanges/Replaces

Mallory

  • 9-60396

Yamaha Outboard

  • 6G5-45113-00-00
  • 6G5-45113-A0-00
  • 6G5-45113-A1-00
  • 6G5-45113-A2-00
Powerhead Base Gasket
Your Price:
$16.99

Powerhead Base Gasket

676-18-0643

Interchanges/Replaces

GLM

  • 37570

Mercury Marine

  • 27-183071
  • 27-183076
Powerhead Base Gasket
Your Price:
$12.99

Powerhead Base Gasket

676-18-0934-1

Interchanges/Replaces

Mercury Marine

  • 27-78069
  • 27-823142
  • 27-8231421
  • 27-8231422

Mercury Race Outboard

  • 27-8231422
Powerhead Base Gasket
Your Price:
$11.99

Powerhead Base Gasket

676-18-0957

Interchanges/Replaces

GLM

  • 34880

Johnson/Evinrude Outboard

  • 318373
Powerhead Base Gasket
Your Price:
$10.99

Powerhead Base Gasket

676-18-0319

Additional Details:

  • For: Mercury 30-60 Hp 2 cyl & 3 cyl

Interchanges/Replaces

Mercury Marine

  • 27-812865
  • 27-822420
  • 27-828553
  • 27-8M0000822
Powerhead Base Gasket
Your Price:
$2.99

Powerhead Base Gasket

676-18-0385

Additional Details:

  • For: Mercury 4.5-9.8 Hp

Interchanges/Replaces

GLM

  • 32110

Mercury Marine

  • 27-30803
  • 27-31557
  • 27-45748
  • 27-89937

Mercury Race Outboard

  • 27-89937
Powerhead Base Gasket
Your Price:
$11.99

Powerhead Base Gasket

676-18-0103

Interchanges/Replaces

GLM

  • 30990

Mercury Marine

  • 27-37725
  • 27-72496
  • 27-79650
  • 27-796501
Powerhead Base Gasket
Your Price:
$7.99

Powerhead Base Gasket

676-18-0112

Interchanges/Replaces

GLM

  • 35190

Johnson/Evinrude Outboard

  • 324717
Powerhead Base Gasket
Your Price:
$17.99

Powerhead Base Gasket

676-18-0982-1

Interchanges/Replaces

Mercury Marine

  • 27-48713
  • 27-56304
Powerhead Base Gasket (Priced Per Pkg of 2)
Your Price:
$11.99

Powerhead Base Gasket (Priced Per Pkg of 2)

676-18-2898-9

Key Features:

  • V-4

Interchanges/Replaces

Johnson/Evinrude Outboard

  • 309956
Powerhead Base Gasket (Priced Per Pkg of 2)
Your Price:
$22.99

Powerhead Base Gasket (Priced Per Pkg of 2)

676-18-2864-9

Additional Details:

  • Fits: V-4

Interchanges/Replaces

GLM

  • 33640

Johnson/Evinrude Outboard

  • 321727
  • 342513

Mallory

  • 9-60413
Powerhead Base Gasket (Priced Per Pkg of 2)
Your Price:
$14.99

Powerhead Base Gasket (Priced Per Pkg of 2)

676-18-2865-9

Interchanges/Replaces

GLM

  • 33410
  • 34550

Johnson/Evinrude Outboard

  • 313763

Mallory

  • 9-60424
Powerhead Base Gasket (Priced Per Pkg of 2)
Your Price:
$23.99

Powerhead Base Gasket (Priced Per Pkg of 2)

676-18-2550-9

Additional Details:

  • For: V-6

Interchanges/Replaces

GLM

  • 34460

Johnson/Evinrude Outboard

  • 321026
  • 323214

Mallory

  • 9-60420
Powerhead Base Gasket (Priced Per Pkg of 2)
Your Price:
$16.99

Powerhead Base Gasket (Priced Per Pkg of 2)

676-18-2852-9

Interchanges/Replaces

GLM

  • 33710

Johnson/Evinrude Outboard

  • 330621

Mallory

  • 9-60445
Powerhead Base Gasket (Priced Per Pkg of 2)
Your Price:
$12.99

Powerhead Base Gasket (Priced Per Pkg of 2)

676-18-2835-9

Additional Details:

  • For: Mercury 75-90-115-140 Hp

Interchanges/Replaces

GLM

  • 31720

Mallory

  • 9-60044

Mercury Marine

  • 27-60479
  • 27-64173
  • 27-66101
  • 27-69238
  • 27-692381
Powerhead Gasket Kit
Your Price:
$19.99

Powerhead Gasket Kit

676-18-99175

Interchanges/Replaces

Yamaha Outboard

  • 63V-W0001-00-00
  • 63V-W0001-01-00

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-99140Mallory
  • 9-63955
Yamaha Outboard
  • 63V-11181-A0-00
  • 63V-11181-A1-00
  • 63V-11181-A2-00
1Head Gasket N/A
18-0836Mallory
  • 9-60539
Yamaha Outboard
  • 682-12414-00-00
  • 682-12414-A1-00
1Thermostat Gasket N/A
18-76690Mallory
  • 9-76690
Yamaha Outboard
  • 93210-46M16-00
1O-Ring N/A
NSSYamaha Outboard
  • 63V-41112-A0-00
2Gasket, Exhaust Inner CoverNo ImageN/A
NSSYamaha Outboard
  • 93102-25M44-00
1Oil SealNo ImageN/A
NSSYamaha Outboard
  • 93101-13M11-00
2Oil SealNo ImageN/A
NSSYamaha Outboard
  • 93110-23M00-00
2Oil SealNo ImageN/A
NSSYamaha Outboard
  • 63V-11445-00-00
2SpacerNo ImageN/A
NSSYamaha Outboard
  • 90201-46M29-00
1Washer, PlateNo ImageN/A
Powerhead Gasket Kit
Your Price:
$190.99

Powerhead Gasket Kit

676-18-99176

Interchanges/Replaces

Yamaha Outboard

  • 6H3-W0001-02-00

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-3831GLM
  • 34940
Mallory
  • 9-63952
Yamaha Outboard
  • 6H2-11181-00-00
  • 6H2-11181-01-00
  • 6H2-11181-A0-00
  • 6H2-11181-A1-00
  • 6H2-11181-A2-00
1Head Gasket N/A
18-0826Yamaha Outboard
  • 90430-14115-00
1Drain Screw Gasket N/A
18-99141Yamaha Outboard
  • 6H2-11193-00-00
  • 6H2-11193-A1-00
1Cover Gasket N/A
18-0835Mercury Marine
  • 27-824853
  • 27-8248531
Yamaha Outboard
  • 62Y-12414-00-00
  • 65W-12414-00-00
  • 6H2-12414-00-00
  • 6H2-12414-A1-00
1Thermostat Gasket N/A
18-99129Yamaha Outboard
  • 6H2-41112-00-00
  • 6H2-41112-01-00
  • 6H2-41112-A0-00
1Exhaust Gasket N/A
18-99128Yamaha Outboard
  • 6H2-41114-00-00
  • 6H2-41114-A0-00
1Exhaust Gasket N/A
18-76690Mallory
  • 9-76690
Yamaha Outboard
  • 93210-46M16-00
1O-Ring N/A
18-99143Yamaha Outboard
  • 6H2-13621-00-00
  • 6H2-13621-A1-00
1Valve Seal Gasket N/A
18-7432Yamaha Outboard
  • 93210-32738-00
1O-Ring N/A
18-0849Mallory
  • 9-35345
Yamaha Outboard
  • 650-24431-00-00
  • 650-24431-A0-00
1Fuel Pump Mounting Gasket N/A
18-99130Yamaha Outboard
  • 6H2-45113-00-00
  • 6H2-45113-A0-00
1Exhaust Gasket N/A
18-99125Yamaha Outboard
  • 6H2-13622-00-00
  • 6H2-13622-A1-00
1Intake Gasket N/A
NSSYamaha Outboard
  • 6H2-14984-00-00
3Gasket, Float ChamberNo ImageN/A
NSSYamaha Outboard
  • 93210-39ME4-00
3O-RingNo ImageN/A
NSSYamaha Outboard
  • 93210-65M50-00
1O-RingNo ImageN/A
NSSYamaha Outboard
  • 93106-18M01-00
1Oil SealNo ImageN/A
NSSYamaha Outboard
  • 93102-30M23-00
1Oil SealNo ImageN/A
NSSYamaha Outboard
  • 93102-36M24-00
1Oil SealNo ImageN/A
Powerhead Gasket Set
Your Price:
$42.99

Powerhead Gasket Set

676-18-4355

Key Features:

  • Does not include head gaskets

Interchanges/Replaces

GLM

  • 39330

Mercury Marine

  • 27-55306A72
  • 27-55306A73
  • 27-55306A74
  • 27-55306A75
  • 27-78028A78

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-0105GLM
  • 31910
Mercury Marine
  • 27-55306
  • 27-78028
  • 27-85489
  • 27-85489-2
  • 27-854891
  • 27-856728
1Baffle Plate to Block Gasket N/A
18-0182GLM
  • 30610
Johnson/Evinrude Outboard
  • 310058
Mallory
  • 9-60002
Mercury Marine
  • 27-62386
  • 27-62386001
Mercury Race Outboard
  • 27-62386001
1Thermostat Gasket N/A
18-0879GLM
  • 31400
Mallory
  • 9-60042
Mercury Marine
  • 27-37724
  • 27-38501
  • 27-385011
1Adapter Plate Gasket N/A
18-0914GLM
  • 30720
Mercury Marine
  • 27-66847
1Thermostat Cover Gasket N/A
18-0938GLM
  • 31000
Mercury Marine
  • 27-797971
1Water Inlet Gasket N/A
18-0940GLM
  • 32930
Mercury Marine
  • 27-55308
  • 27-78027
  • 27-85488
  • 27-854881
  • 27-854882
1Baffle Plate to Exhaust Gasket N/A
18-0988GLM
  • 31640
Mallory
  • 9-60058
Mercury Marine
  • 27-37976
  • 27-62860
  • 27-628601
1Powerhead Base Gasket N/A
18-2802GLM
  • 31500
Mercury Marine
  • 27-48164
  • 27-481641
1Carburetor Mounting Gasket N/A
18-2805GLM
  • 31920
Mercury Marine
  • 27-55307
  • 27-74708
  • 27-78029
  • 27-85490
  • 27-85490-2
  • 27-854901
  • 27-856729
1Block Cover Gasket N/A
18-2823GLM
  • 31060
Mallory
  • 9-60039
Mercruiser Stern Drive
  • 27-32769
Mercury Marine
  • 27-19553
  • 27-32769
1Lower Water Pump Gasket N/A
18-2824GLM
  • 31070
Mallory
  • 9-60029
Mercury Marine
  • 27-19551
  • 27-32770
1Upper Water Pump Gasket N/A
18-2825GLM
  • 31080
Mallory
  • 9-60030
Mercury Marine
  • 27-32771
1Water Pump Base Gasket N/A
18-2838GLM
  • 31600
Mercury Marine
  • 27-55279
  • 27-552791
1Transfer Port Cover Gasket N/A
18-2841GLM
  • 31190
Mallory
  • 9-60033
Mercury Marine
  • 27-19552
  • 27-77417
1Water Pump Base Gasket N/A
18-4261GLM
  • 31330
Mallory
  • 9-78002
Mercury Marine
  • 12-20262
  • 19643
Mercury Race Outboard
  • 12-20262
1Washer N/A
18-7115GLM
  • 82240
Johnson/Evinrude Outboard
  • 302588
Mercruiser Stern Drive
  • 25-20266
  • 25-26722
Mercury Marine
  • 25-20266
  • 25-26722
OMC Stern Drive
  • 302588
1O-Ring N/A
18-7143GLM
  • 81250
Johnson/Evinrude Outboard
  • 331188
Mallory
  • 9-76537
Mercruiser Stern Drive
  • 25-65936
  • 27-58025
  • 391-5081
Mercury Marine
  • 25-65936
OMC Stern Drive
  • 322501
  • 331188
Volvo Penta
  • 3852169
2O-Ring N/A
18-7145GLM
  • 81080
Johnson/Evinrude Outboard
  • 333572
Mallory
  • 9-76500
Mercruiser Stern Drive
  • 25-64068
Mercury Marine
  • 25-64068
OMC Stern Drive
  • 333572
3O-Ring N/A
18-7153GLM
  • 81180
Mallory
  • 9-76505
Mercruiser Stern Drive
  • 25-25439
Mercury Marine
  • 25-25439
Mercury Race Outboard
  • 25-25439
Mercury Race Sterndrive
  • 25-25439
OMC Stern Drive
  • 3852565
  • 911851
Volvo Penta
  • 3852565
  • 997368
1O-Ring N/A
18-7155Chrysler/Force/US Marine
  • 25-26855
GLM
  • 82230
Johnson/Evinrude Outboard
  • 305270
Mallory
  • 9-76541
Mercruiser Stern Drive
  • 25-26855
Mercury Marine
  • 25-26855
Yamaha Outboard
  • 93210-41MJ2-00
1O-Ring N/A
18-7160GLM
  • 83340
Mallory
  • 9-76545
Mercruiser Stern Drive
  • 25-31986
Mercury Marine
  • 25-31986
1O-Ring N/A
18-7167Chrysler/Force/US Marine
  • 785-97386
GLM
  • 82390
Johnson/Evinrude Outboard
  • 310414
Mallory
  • 9-76549
Mercruiser Stern Drive
  • 25-861844
  • 785-97386
Mercury Marine
  • 25-861844
  • 785-97386
OMC Stern Drive
  • 310414
1O-Ring N/A
18-7411GLM
  • 81240
Johnson/Evinrude Outboard
  • 321921
Mercruiser Stern Drive
  • 25-35480
  • 25-8M2000816
Mercury Marine
  • 25-35480
  • 25-47386
1O-Ring N/A
18-7413Chrysler/Force/US Marine
  • 25-62702
  • 25-F50342-1
  • F17510
  • F50342
GLM
  • 80110
Johnson/Evinrude Outboard
  • 303191
Mercruiser Stern Drive
  • 25-62702
  • 25-627021
Mercury Marine
  • 25-22175
  • 25-62702
Mercury Sport Jet
  • 25-62702
OMC Stern Drive
  • 303191
3O-Ring N/A
18-7414GLM
  • 80330
Mercury Marine
  • 25-62384
  • 25-64067
  • 25-823683
Mercury Sport Jet
  • 25-823683
1O-Ring N/A
18-7421GLM
  • 80070
Mercury Marine
  • 25-16524
  • 25-20415
1O-Ring N/A
18-7807GLM
  • 40320
Me cury Marine
  • 55278A1
1Fuel Pump Kit N/A
NSSMercury Marine
  • 25-62457
1O-RingNo ImageN/A
NSSMercury Marine
  • 35-59072
1Fuel Filter ScreenNo ImageN/A
NSSMercury Marine
  • 27-62396
1GasketNo ImageN/A
NSSMercury Marine
  • 27-62716
1GasketNo ImageN/A
Powerhead Gasket Set
Your Price:
$98.99

Powerhead Gasket Set

676-18-55500

Interchanges/Replaces

Yanmar

  • 728170-92600