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Sierra / Mallory

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:
$98.99

Powerhead Gasket Set

676-18-55500

Interchanges/Replaces

Yanmar

  • 728170-92600
Powerhead Gasket Set
Your Price:
$132.99

Powerhead Gasket Set

676-18-55501

Interchanges/Replaces

Yanmar

  • 728171-92601
Powerhead Gasket Set
Your Price:
$234.99

Powerhead Gasket Set

676-18-55502

Interchanges/Replaces

Yanmar

  • 728271-92605
Powerhead Gasket Set
Your Price:
$282.99

Powerhead Gasket Set

676-18-55503

Interchanges/Replaces

Yanmar

  • 728374-92605
Powerhead Gasket Set
Your Price:
$96.99

Powerhead Gasket Set

676-18-4434

Additional Details:

  • Fits: 40-50 HP

Interchanges/Replaces

Nissan/Tohatsu Outboard

  • 3C8-87121-4

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-3850Nissan/Tohatsu Outboard
  • 3C8-01005-4
1Head Gasket N/A
NSSNissan/Tohatsu Outboard
  • 3C8-01024-1
1Cylinder Head Cover GasketNo ImageN/A
NSSNissan/Tohatsu Outboard
  • 353-01032-0
1Thermostat Cap GasketNo ImageN/A
NSSNissan/Tohatsu Outboard
  • 3C8-02305-0
2Exhaust Cover GasketNo ImageN/A
NSSNissan/Tohatsu Outboard
  • 3C8-09082-0
1Blind Plate GasketNo ImageN/A
NSSNissan/Tohatsu Outboard
  • 3C8-02104-0
3Inlet Manifold GasketNo ImageN/A
NSSNissan/Tohatsu Outboard
  • 3C8-01303-0
1Engine Base GasketNo ImageN/A
Powerhead Gasket Set
Your Price:
$157.99

Powerhead Gasket Set

676-18-4436

Additional Details:

  • Fits: 90 Hp

Interchanges/Replaces

Nissan/Tohatsu Outboard

  • 3B7-87121-1

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
NSSNissan/Tohatsu Outboard
  • 3B7-01005-0
1Cylinder Head GasketNo ImageN/A
NSSNissan/Tohatsu Outboard
  • 3B7-01024-0
1Cylinder Head Cover GasketNo ImageN/A
NSSNissan/Tohatsu Outboard
  • 353-01032-0
1Thermostat Cap GasketNo ImageN/A
NSSNissan/Tohatsu Outboard
  • 3B7-02305-0
2Exhaust Cover GasketNo ImageN/A
NSSNissan/Tohatsu Outboard
  • 3C8-09082-0
1Blind Plate GasketNo ImageN/A
NSSNissan/Tohatsu Outboard
  • 3B7-02104-0
2Inlet Manifold GasketNo ImageN/A
NSSNissan/Tohatsu Outboard
  • 346-02414-0
3Air Silencer GasketNo ImageN/A
NSSNissan/Tohatsu Outboard
  • 3B7-02418-0
1Air Silencer Cover GasketNo ImageN/A
NSSNissan/Tohatsu Outboard
  • 346-02011-0
3Carburetor GasketNo ImageN/A
NSSNissan/Tohatsu Outboard
  • 3C7-01153-0
3Check Valve Gasket ANo ImageN/A
NSSNissan/Tohatsu Outboard
  • 3C7-01154-0
3Check Valve Gasket BNo ImageN/A
NSSNissan/Tohatsu Outboard
  • 3B7-01303-0
1Engine Base GasketNo 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:
$74.43

Powerhead Gasket Set

676-18-4325

Key Features:

  • Does not include head gasket

Interchanges/Replaces

GLM

  • 39337

Mallory

  • 9-64214

Mercury Marine

  • 27-85491A87
  • 27-85491A90

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-0103GLM
  • 30990
Mercury Marine
  • 27-37725
  • 27-72496
  • 27-79650
  • 27-796501
1Powerhead Base Gasket N/A
18-0137GLM
  • 31790
Mercury Marine
  • 27-46111
  • 27-72488
  • 27-85492
  • 27-85492-2
  • 27-854921
  • 27-854924
1Baffle Plate Gasket N/A
18-0539GLM
  • 85630
Mercury Marine
  • 37721
  • 37721001
1Exhaust Leg Rubber Seal N/A
18-0870GLM
  • 30060
Mallory
  • 9-60063
Mercury Marine
  • 27-27936
  • 27-279361
2Transfer Port Cover Gasket N/A
18-0879GLM
  • 31400
Mallory
  • 9-60042
Mercury Marine
  • 27-37724
  • 27-38501
  • 27-385011
1Adapter Plate Gasket N/A
18-0938GLM
  • 31000
Mercury Marine
  • 27-797971
1Water Inlet Gasket N/A
18-2800GLM
  • 31860
Mercury Marine
  • 27-26891
  • 27-64659
  • 27-75791
  • 27-757911
2Carburetor Mounting Gasket N/A
18-2810GLM
  • 30260
Mercury Marine
  • 27-43777
  • 27-437771
  • 27-437772
  • 27-96483
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
18-2825GLM
  • 31080
Mallory
  • 9-60030
Mercury Marine
  • 27-32771
1Water Pump Base Gasket N/A
18-7151GLM
  • 82340
Mallory
  • 9-76540
Mercruiser Stern Drive
  • 25-20081
  • 25-39572
Mercury Marine
  • 25-20081
  • 25-39572
2O-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
18-7161GLM
  • 80420
Mallory
  • 9-76546
Mercruiser Stern Drive
  • 25-32546
Mercury Marine
  • 25-32546
2O-Ring N/A
18-2824GLM
  • 31070
Mallory
  • 9-60029
Mercury Marine
  • 27-19551
  • 27-32770
1Upper Water Pump Gasket N/A
18-2945Chrysler/Force/US Marine
  • 12-19183
  • F50556
  • F8077
  • F8186
Johnson/Evinrude Outboard
  • 307552
Mallory
  • 9-60101
  • 9-60102
Mercruiser Stern Drive
  • 12-19183
  • 12-191832
  • 12-191833
  • 12-19183B
  • 12-20260
  • 12-20260B
Mercury Marine
  • 12-19183
  • 12-191832
  • 12-191833
  • 12-20260
1Drain Screw Gasket N/A
18-7166GLM
  • 80160
Mercury Marine
  • 25-45254
1O-Ring N/A
18-0942GLM
  • 31780
Mercury Marine
  • 27-46110
  • 27-72486
  • 27-85491
  • 27-85491-2
  • 27-854911
  • 27-854913
1Baffle Plate Gasket 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
18-7817Chrysler/Force/US Marine
  • 21-42990A10
  • 21-42990A7
  • 21-42990A8
GLM
  • 40290
Mercury Marine
  • 21-42990A1
  • 21-42990A10
  • 21-42990A11
  • 21-42990A2
  • 21-42990A3
  • 21-42990A4
  • 21-42990A5
  • 21-42990A6
  • 21-42990A7
  • 21-42990A8
  • 21-42990A9
  • 21-857005A1
Mercury Sport Jet
  • 21-42990A11
  • 21-857005A1
1Fuel Pump Kit N/A
NSSMercury Marine
  • 26-38452
2Seal, RubberNo ImageN/A
Powerhead Gasket Set
Your Price:
$136.99

Powerhead Gasket Set

676-18-4427

Interchanges/Replaces

Mallory

  • 9-64402

Yamaha Outboard

  • 6H3-W0001-00-00
  • 6H3-W0001-A0-00

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
18-99126Yamaha Outboard
  • 6H2-14198-00-00
  • 6H2-14198-01-00
  • 6H2-14198-A1-00
1Intake Gasket 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
  • 6G1-14984-00-00
3Gasket, Float ChamberNo ImageN/A
NSSYamaha Outboard
  • 93210-37M25-00
1O-RingNo ImageN/A
NSSYamaha Outboard
  • 93102-36M24-00
1Oil SealNo ImageN/A
NSSYamaha Outboard
  • 93102-30M23-00
1Oil SealNo ImageN/A
NSSYamaha Outboard
  • 93106-18M01-00
1Oil SealNo ImageN/A
NSSYamaha Outboard
  • 93210-65M50-00
1O-RingNo ImageN/A
Powerhead Gasket Set
Your Price:
$192.99

Powerhead Gasket Set

676-18-4415

Interchanges/Replaces

Mallory

  • 9-64407

Yamaha Outboard

  • 688-W0001-00-00
  • 688-W0001-A0-00

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-0767Yamaha Outboard
  • 688-11193-01-00
  • 688-11193-A1-00
1Water Jacket Cover Gasket N/A
18-0826Yamaha Outboard
  • 90430-14115-00
1Drain Screw Gasket N/A
18-0844Mallory
  • 9-60003
Yamaha Outboard
  • 688-12414-00-00
  • 688-12414-A1-00
1Thermostat Cover Gasket N/A
18-0847Yamaha Outboard
  • 688-41112-00-00
  • 688-41112-01-00
  • 688-41112-A0-00
2Exhaust Cover Gasket N/A
18-3805GLM
  • 34950
Mallory
  • 9-63958
Yamaha Outboard
  • 688-11181-01-00
  • 688-11181-02-00
  • 688-11181-A0-00
  • 688-11181-A1-00
  • 688-11181-A2-00
1Head Gasket N/A
18-0840-1Mercury Marine
  • 25-83362M
Nissan/Tohatsu Outboard
  • 346-03222-0
  • 346032220M
Yamaha Outboard
  • 676-14984-00-00
3Float Chamber Gasket N/A
18-99098Yamaha Outboard
  • 688-13621-00-00
  • 688-13621-A1-00
2Intake Gasket N/A
18-76690Mallory
  • 9-76690
Yamaha Outboard
  • 93210-46M16-00
1O-Ring N/A
18-99151Yamaha Outboard
  • 688-45113-00-00
  • 688-45113-A0-00
1Upper Casing Gasket N/A
18-0849Mallory
  • 9-35345
Yamaha Outboard
  • 650-24431-00-00
  • 650-24431-A0-00
1Fuel Pump Mounting Gasket N/A
NSSYamaha Outboard
  • 688-14483-00-00
1GasketNo ImageN/A
NSSYamaha Outboard
  • 688-14198-00-00
3GasketNo ImageN/A
NSSYamaha Outboard
  • 688-14416-00-00
1Gasket, Air CleanerNo ImageN/A
NSSYamaha Outboard
  • 93102-36M24-00
1O-RingNo ImageN/A
NSSYamaha Outboard
  • 93102-30M05-00
1Oil SealNo ImageN/A
NSSYamaha Outboard
  • 93104-20M02-00
1Oil SealNo ImageN/A
NSSYamaha Outboard
  • 93210-62269-00
1O-RingNo ImageN/A
NSSYamaha Outboard
  • 93210-37M25-00
1O-RingNo ImageN/A
Powerhead Gasket Set
Your Price:
$207.99

Powerhead Gasket Set

676-18-4400

Interchanges/Replaces

Mallory

  • 9-64410

Yamaha Outboard

  • 61A-W0001-00-00
  • 61A-W0001-01-00
  • 61A-W0001-A1-00

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-3891Mallory
  • 9-63950
Yamaha Outboard
  • 61A-11181-00-00
  • 61A-11181-A0-00
  • 61A-11181-A1-00
  • 61A-11181-A2-00
  • 69L-11181-00-00
  • 69L-11181-01-00
2Head Gasket N/A
18-0829Mallory
  • 9-60510
Yamaha Outboard
  • 61A-12414-A0-00
  • 6H2-12414-00-00
  • 6H2-12414-A0-00
  • 6J8-12414-A0-00
2Cover Gasket N/A
18-0808Yamaha Outboard
  • 6G5-11382-00-00
  • 6G5-11382-A1-00
1Pressure Control Valve Gasket N/A
18-99052Yamaha Outboard
  • 61A-11381-00-00
  • 61A-11381-A0-00
1Side Cover Gasket N/A
18-99051Yamaha Outboard
  • 61A-11193-00-00
  • 61A-11193-A0-00
  • 61A-11193-A1-00
  • 61A-11193-A2-00
2Valve Cover Gasket N/A
18-99054Yamaha Outboard
  • 61A-13645-00-00
2Intake Gasket N/A
18-99053Yamaha Outboard
  • 61A-13621-00-00
  • 61A-13621-A0-00
6Intake Gasket N/A
18-99056Yamaha Outboard
  • 61A-45113-00-00
  • 61A-45113-A0-00
1Base Gasket N/A
18-99055Yamaha Outboard
  • 61A-13646-00-00
2Manifold Gasket N/A
18-0849Mallory
  • 9-35345
Yamaha Outboard
  • 650-24431-00-00
  • 650-24431-A0-00
3Fuel Pump Mounting Gasket N/A
18-2091Yamaha Outboard
  • 93104-22M07-00
1Oil Seal N/A
18-2087Yamaha Outboard
  • 93102-40004-00
  • 93102-40M36-00
1Oil Seal N/A
NSSYamaha Outboard
  • 93210-81MA6-00
1O-RingNo ImageN/A
NSSYamaha Outboard
  • 93102-40M38-00
1Oil SealNo ImageN/A
NSSYamaha Outboard
  • 93210-54M54-00
2O-RingNo ImageN/A
NSSYamaha Outboard
  • 61A-41112-A0-00
1Gasket, Exhaust Inner CoverNo ImageN/A
18-76690Mallory
  • 9-76690
Yamaha Outboard
  • 93210-46M16-00
6O-Ring N/A
Powerhead Gasket Set
Your Price:
$130.99

Powerhead Gasket Set

676-18-4402

Interchanges/Replaces

Johnson/Evinrude Outboard

  • 437779
  • 439539

Mallory

  • 9-64100

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-0692Johnson/Evinrude Outboard
  • 339601
  • 343853
1Base Gasket N/A
18-0695Johnson/Evinrude Outboard
  • 336389
  • 345045
1Intake Gasket N/A
18-0696Johnson/Evinrude Outboard
  • 336388
  • 345044
1Intake Gasket N/A
18-1284Johnson/Evinrude Outboard
  • 335819
2Molded Intake Port Gasket
Powerhead Gasket Set
Your Price:
$53.99

Powerhead Gasket Set

676-18-4321

Interchanges/Replaces

GLM

  • 39390

Johnson/Evinrude Outboard

  • 398047
  • 438904

Mallory

  • 9-64101

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-0118GLM
  • 33740
Johnson/Evinrude Outboard
  • 325092
Mallory
  • 9-60427
3Carburetor Gasket N/A
18-0975GLM
  • 34420
Johnson/Evinrude Outboard
  • 333008
Mallory
  • 9-60419
1Carburetor to Silencer Gasket N/A
18-0989GLM
  • 34430
Johnson/Evinrude Outboard
  • 321794
Mallory
  • 9-60418
1Air Silencer Gasket N/A
18-1202GLM
  • 35440
Johnson/Evinrude Outboard
  • 329830
1Thermostat Cover Gasket N/A
18-1205GLM
  • 35430
Johnson/Evinrude Outboard
  • 329828
Mallory
  • 9-60425
1Adapter Cover Gasket N/A
18-1207Johnson/Evinrude Outboard
  • 329833
  • 343863
Mallory
  • 9-60432
1Exhaust Manifold Gasket N/A
18-1212GLM
  • 34530
Johnson/Evinrude Outboard
  • 326926
Mallory
  • 9-60439
1Intake Manifold Gasket N/A
18-1219GLM
  • 46100
Johnson/Evinrude Outboard
  • 320880
1Grommet Gasket (V6 Crossflow) N/A
18-1221GLM
  • 46110
Johnson/Evinrude Outboard
  • 330273
1Retainer Gasket (V4/V6 Loop Charge) N/A
18-3836GLM
  • 34280
Johnson/Evinrude Outboard
  • 329836
Mallory
  • 9-63821
1Head Gasket N/A
NSSJohnson/Evinrude Outboard
  • 336308
1GasketNo ImageN/A
Powerhead Gasket Set
Your Price:
$121.99

Powerhead Gasket Set

676-18-4302

Interchanges/Replaces

GLM

  • 39350

Johnson/Evinrude Outboard

  • 390078
  • 439084

Mallory

  • 9-64102

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-0118GLM
  • 33740
Johnson/Evinrude Outboard
  • 325092
Mallory
  • 9-60427
3Carburetor Gasket N/A
18-0951GLM
  • 34860
Johnson/Evinrude Outboard
  • 317305
1Carburetor to Manifold Gasket N/A
18-0975GLM
  • 34420
Johnson/Evinrude Outboard
  • 333008
Mallory
  • 9-60419
1Carburetor to Silencer Gasket N/A
18-0989GLM
  • 34430
Johnson/Evinrude Outboard
  • 321794
Mallory
  • 9-60418
1Air Silencer Gasket N/A
18-2543GLM
  • 34310
Johnson/Evinrude Outboard
  • 318609
  • 766871
1Water Jacket Gasket N/A
18-2548GLM
  • 34630
Johnson/Evinrude Outboard
  • 317226
  • 332108
1Thermostat Cover Gasket N/A
18-2865GLM
  • 33410
  • 34550
Johnson/Evinrude Outboard
  • 313763
Mallory
  • 9-60424
1Powerhead Base Gasket N/A
18-2913GLM
  • 34610
Johnson/Evinrude Outboard
  • 319097
  • 331916
Mallory
  • 9-60430
2Exhaust Cover Gasket N/A
18-2938GLM
  • 34620
Johnson/Evinrude Outboard
  • 317227
  • 331917
Mallory
  • 9-60431
1Exhaust Cover Gasket N/A
18-2960GLM
  • 33400
Johnson/Evinrude Outboard
  • 313413
Mallory
  • 9-63827
1Head Gasket N/A
18-1212GLM
  • 34530
Johnson/Evinrude Outboard
  • 326926
Mallory
  • 9-60439
1Intake Manifold Gasket N/A
NSSJohnson/Evinrude Outboard
  • 321796
  • 319283
  • 331016
1Gasket, Adapter to plateNo ImageN/A
Powerhead Gasket Set
Your Price:
$133.99

Powerhead Gasket Set

676-18-4303-1

Interchanges/Replaces

GLM

  • 39080

Johnson/Evinrude Outboard

  • 389556
  • 391300
  • 439085

Mallory

  • 9-64112

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-0102GLM
  • 33680
Johnson/Evinrude Outboard
  • 323469
1Exhaust Manifold Gasket N/A
18-0117GLM
  • 34300
Johnson/Evinrude Outboard
  • 317955
Mallory
  • 9-60435
1Exhaust Plate Gasket N/A
18-0134GLM
  • 34540
Johnson/Evinrude Outboard
  • 327707
Mallory
  • 9-60428
2Carburetor to Manifold Gasket
18-0850GLM
  • 34080
Johnson/Evinrude Outboard
  • 303615
Mallory
  • 9-60436
1Fuel Pump Gasket N/A
18-0953GLM
  • 34870
Johnson/Evinrude Outboard
  • 317951
1Water Passage Gasket N/A
18-0977GLM
  • 33650
Johnson/Evinrude Outboard
  • 321897
  • 332369
Mallory
  • 9-60448
2Thermostat Gasket N/A
18-0985GLM
  • 33630
Johnson/Evinrude Outboard
  • 321722
Mallory
  • 9-60417
1Air Silencer Gasket N/A
18-0991GLM
  • 33660
Johnson/Evinrude Outboard
  • 321907
4Leaf Plate Gasket N/A
18-2547GLM
  • 34450
Johnson/Evinrude Outboard
  • 322858
1Water Passage Cover Gasket N/A
18-2857GLM
  • 33750
Johnson/Evinrude Outboard
  • 319771
  • 386573
Mallory
  • 9-60463
2Air Silencer Gasket N/A
18-2864GLM
  • 33640
Johnson/Evinrude Outboard
  • 321727
  • 342513
Mallory
  • 9-60413
1Powerhead Base Gasket N/A
18-2866GLM
  • 34290
Johnson/Evinrude Outboard
  • 317914
Mallory
  • 9-60434
2Exhaust Cover Gasket N/A
18-2867GLM
  • 33180
Johnson/Evinrude Outboard
  • 319174
Mallory
  • 9-60438
1Manifold to Crankcase Gasket N/A
18-2873GLM
  • 33530
Johnson/Evinrude Outboard
  • 318335
Mallory
  • 9-60454
2Water Jacket Gasket N/A
18-2876GLM
  • 33280
Johnson/Evinrude Outboard
  • 307133
Mallory
  • 9-60426
OMC Stern Drive
  • 307133
4Bypass Cover Gasket N/A
18-2956GLM
  • 33540
Johnson/Evinrude Outboard
  • 318358
Mallory
  • 9-63828
2Head Gasket N/A
18-7133GLM
  • 82400
Johnson/Evinrude Outboard
  • 305123
  • 321119
Mallory
  • 9-76529
OMC Stern Drive
  • 305123
4O-Ring
18-2001GLM
  • 86030
Johnson/Evinrude Outboard
  • 0330137
  • 310600
  • 313398
  • 317761
  • 321463
  • 321668
Mallory
  • 9-76212
OMC Stern Drive
  • 310600
  • 313398
  • 321463
  • 330137
1Oil Seal N/A
18-2074GLM
  • 86440
Johnson/Evinrude Outboard
  • 318451
  • 322575
  • 339620
1Oil Seal N/A
18-8307GLM
  • 86790
Johnson/Evinrude Outboard
  • 0331103
1Lower Main Seal N/A
18-0999-9Johnson/Evinrude Outboard
  • 323459
1Inner Exhaust Gasket (Priced Per Pkg of 2) N/A
Powerhead Gasket Set
Your Price:
$94.99

Powerhead Gasket Set

676-18-4305

Additional Details:

  • For: 2 cyl. models only

Interchanges/Replaces

GLM

  • 39370

Johnson/Evinrude Outboard

  • 393433
  • 437806
  • 439083

Mallory

  • 9-64113

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-0118GLM
  • 33740
Johnson/Evinrude Outboard
  • 325092
Mallory
  • 9-60427
2Carburetor Gasket N/A
18-0120GLM
  • 35200
Johnson/Evinrude Outboard
  • 325211
1Exhaust Plate Gasket N/A
18-0128GLM
  • 35340
Johnson/Evinrude Outboard
  • 326468
  • 351018
Mallory
  • 9-60421
1Powerhead Base Gasket N/A
18-0136GLM
  • 35360
Johnson/Evinrude Outboard
  • 328283
  • 351019
Mallory
  • 9-60422
1Powerhead Base Gasket N/A
18-0157GLM
  • 35480
Johnson/Evinrude Outboard
  • 330698
1Air Box Split Twin Gasket N/A
18-0159Johnson/Evinrude Outboard
  • 330909
1Air Box Split Twin 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
18-0850GLM
  • 34080
Johnson/Evinrude Outboard
  • 303615
Mallory
  • 9-60436
1Fuel Pump Gasket N/A
18-0851GLM
  • 35420
Johnson/Evinrude Outboard
  • 329826
1Relief Gasket N/A
18-0941GLM
  • 34780
Johnson/Evinrude Outboard
  • 315538
Mallory
  • 9-60451
1Water Jacket Gasket N/A
18-0963GLM
  • 35800
Johnson/Evinrude Outboard
  • 335633
Mallory
  • 9-60440
1Intake Manifold Twin Gasket N/A
18-0983GLM
  • 35180
Johnson/Evinrude Outboard
  • 321497
Mallory
  • 9-60429
1Carburetor to Air Box Twin Gasket N/A
18-3802GLM
  • 34250
Johnson/Evinrude Outboard
  • 320658
  • 327795
  • 335359
Mallory
  • 9-63833
1Head Gasket N/A
NSSJohnson/Evinrude Outboard
  • 320679
1Gasket, Base to CoverNo ImageN/A
Powerhead Gasket Set
Your Price:
$58.99

Powerhead Gasket Set

676-18-4307

Interchanges/Replaces

GLM

  • 39420

Johnson/Evinrude Outboard

  • 389206
  • 392567
  • 392615
  • 433941

Mallory

  • 9-64114

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-0106GLM
  • 33690
Johnson/Evinrude Outboard
  • 324323
2Exhaust Manifold Gasket N/A
18-0118GLM
  • 33740
Johnson/Evinrude Outboard
  • 325092
Mallory
  • 9-60427
1Carburetor Gasket N/A
18-0126GLM
  • 35330
Johnson/Evinrude Outboard
  • 326264
1Inner Exhaust Cover Gasket N/A
18-0850GLM
  • 34080
Johnson/Evinrude Outboard
  • 303615
Mallory
  • 9-60436
1Fuel Pump Gasket N/A
18-0971GLM
  • 34340
Johnson/Evinrude Outboard
  • 319661
1Bypass Gasket N/A
18-0981GLM
  • 34390
Johnson/Evinrude Outboard
  • 321479
1Leafplate Gasket N/A
18-2852GLM
  • 33710
Johnson/Evinrude Outboard
  • 330621
Mallory
  • 9-60445
1Powerhead Base Gasket N/A
18-2862GLM
  • 33090
Johnson/Evinrude Outboard
  • 321573
  • 326260
1Leaf Plate Gasket N/A
18-3803GLM
  • 34570
Johnson/Evinrude Outboard
  • 324324
  • 329419
  • 765012
Mallory
  • 9-63830
1Head Gasket N/A
18-3899GLM
  • 33700
Johnson/Evinrude Outboard
  • 327674
1Water Cover Gasket N/A
Powerhead Gasket Set
Your Price:
$106.99

Powerhead Gasket Set

676-18-4301

Interchanges/Replaces

GLM

  • 39360

Johnson/Evinrude Outboard

  • 388602

Mallory

  • 9-64117

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-0117GLM
  • 34300
Johnson/Evinrude Outboard
  • 317955
Mallory
  • 9-60435
1Exhaust Plate Gasket N/A
18-0134GLM
  • 34540
Johnson/Evinrude Outboard
  • 327707
Mallory
  • 9-60428
2Carburetor to Manifold Gasket N/A
18-0953GLM
  • 34870
Johnson/Evinrude Outboard
  • 317951
1Water Passage Gasket N/A
18-0955GLM
  • 33510
Johnson/Evinrude Outboard
  • 318156
1Exhaust Cover Gasket N/A
18-0957GLM
  • 34880
Johnson/Evinrude Outboard
  • 318373
1Powerhead Base Gasket N/A
18-0991GLM
  • 33660
Johnson/Evinrude Outboard
  • 321907
4Leaf Plate Gasket N/A
18-2857GLM
  • 33750
Johnson/Evinrude Outboard
  • 319771
  • 386573
Mallory
  • 9-60463
2Air Silencer Gasket N/A
18-2864GLM
  • 33640
Johnson/Evinrude Outboard
  • 321727
  • 342513
Mallory
  • 9-60413
1Powerhead Base Gasket N/A
18-2866GLM
  • 34290
Johnson/Evinrude Outboard
  • 317914
Mallory
  • 9-60434
2Exhaust Cover Gasket N/A
18-2867GLM
  • 33180
Johnson/Evinrude Outboard
  • 319174
Mallory
  • 9-60438
1Manifold to Crankcase Gasket N/A
18-2873GLM
  • 33530
Johnson/Evinrude Outboard
  • 318335
Mallory
  • 9-60454
2Water Jacket Gasket N/A
18-2876GLM
  • 33280
Johnson/Evinrude Outboard
  • 307133
Mallory
  • 9-60426
OMC Stern Drive
  • 307133
4Bypass Cover Gasket N/A
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