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Items Per Page:
3 Results (Viewing 1 - 3 of 3)
O-Ring
Your Price:
$2.99

O-Ring

676-18-7121

Key Features:

  • Package of 1

Additional Details:

  • I.D.: 3.100" or 78.7mm
  • Width: 0.135" or 3.4mm

Interchanges/Replaces

GLM

  • 82350

Mallory

  • 9-76651

Mercruiser Stern Drive

  • 25-35029
  • 27-882613
  • 802231

Mercury Marine

  • 25-35029

OMC Stern Drive

  • 308621
Overhaul Gasket Set
Your Price:
$288.99

Overhaul Gasket Set

676-18-4381

Additional Details:

  • Fits: MCM 3.7L engines (1983-1989)

Interchanges/Replaces

GLM

  • 39040

Mercruiser Stern Drive

  • 27-41636A1
  • 27-43186A1
  • 27-89656A1

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-0111Barr
  • MC47-27-89657
GLM
  • 32370
Mercruiser Stern Drive
  • 27-89657
2Exhaust Elbow Gasket N/A
18-0158Barr
  • MC472770905
GLM
  • 31750
Mercruiser Stern Drive
  • 27-70905
1Intake Manifold Gasket N/A
18-0172Mercruiser Stern Drive
  • 26-97530
2Oil Seal N/A
18-0175GLM
  • 81080
Mercruiser Stern Drive
  • 25-26543
Mercury Marine
  • 25-26543
4O-Ring N/A
18-0185GLM
  • 32390
Mercruiser Stern Drive
  • 27-91892
1Remote Oil Seal N/A
18-0860GLM
  • 81520
Mercruiser Stern Drive
  • 25-62700
Mercury Marine
  • 25-62700
Mercury Sport Jet
  • 25-62700
1O-Ring N/A
18-0864Mallory
  • 9-61623
Mercruiser Stern Drive
  • 26-67389
  • 26-90925
1One Piece Rear Main Seal N/A
18-0874Chris-Craft
  • 16.50-00162
GLM
  • 31370
Mercruiser Stern Drive
  • 27-34486
  • 27-344861
  • 27-344863
  • 27-34891
  • 27-52184
  • F3932344
  • FI5000162
OMC Stern Drive
  • 312780
  • 3852109
Volvo Penta
  • 3852109
  • 835154
Yamaha Sterndrive
  • YSG-10108-44-5G
1Distributor Gasket N/A
18-0889Chris-Craft
  • 16.50-00074
GLM
  • 31360
Mallory
  • 9-61041
Mercruiser Stern Drive
  • 27-34213
  • 27-56883
  • FI5000074
OMC Stern Drive
  • 311064
  • 3852095
Pleasurecraft
  • 3705042
Volvo Penta
  • 3852095
Yamaha Sterndrive
  • YSG-10114-14-1G
1Fuel Pump Gasket N/A
18-0994Barr
  • MC472770143
GLM
  • 32180
Mallory
  • 9-61011
Mercruiser Stern Drive
  • 27-70143
  • 27-701431
  • 27-70143B1
  • 27-807982
  • 27-8079821
  • 27-807982B
1Carburetor Mounting Gasket N/A
18-2555GLM
  • 32100
Mercruiser Stern Drive
  • 27-89656
  • 27-896561
1Thermostat Cover Gasket N/A
18-2843Barr
  • MC472774830
GLM
  • 31840
Mercruiser Stern Drive
  • 27-74830
1Thermostat Gasket N/A
18-2848GLM
  • 30380
Mallory
  • 9-61004
Mercruiser Stern Drive
  • 27-52457
  • 27-524571
  • 27-524572
1Carburetor Base Gasket N/A
18-3878Chrysler Inboard
  • 4417375
GLM
  • 36120
Mallory
  • 9-63702
  • 9-63711
Mercruiser Stern Drive
  • 27-13709
  • 27-13709T
  • 27-74264
  • 27-79986
  • 27-92166
  • 27-921661
OMC Stern Drive
  • 912766
1Head Gasket N/A
18-4366GLM
  • 30850
Mercruiser Stern Drive
  • 27-72479
  • 27-72479A5
  • 27-72479T
1Oil Pan Gasket Set N/A
18-7121GLM
  • 82350
Mallory
  • 9-76651
Mercruiser Stern Drive
  • 25-35029
  • 27-882613
  • 802231
Mercury Marine
  • 25-35029
OMC Stern Drive
  • 308621
1O-Ring N/A
18-0578Mercruiser Stern Drive
  • 26-67388
1Oil Seal N/A
18-0113-1Barr
  • MC47-27-97542
GLM
  • 32460
Mallory
  • 9-61411
Mercruiser Stern Drive
  • 27-856705
  • 27-97542
Osco
  • 0879-G
1Exhaust Elbow Gasket N/A
18-0881-1GLM
  • 32470
Mallory
  • 9-61412
Mercruiser Stern Drive
  • 27-18272
  • 27-97863
Osco
  • 8561-G
1Exhaust Elbow Gasket N/A
18-0956-1Chrysler Inboard
  • 118-614
GLM
  • 33800
Mallory
  • 9-61418
Mercruiser Stern Drive
  • 27-68715
OMC Stern Drive
  • 912405
1Exhaust Manifold Gasket N/A
18-4380GLM
  • 30300
Mallory
  • 9-61010
Mercruiser Stern Drive
  • 27-68714A6
  • 27-68714A7
1Timing Chain Gasket Set N/A
NSSMercruiser Stern Drive
  • 27-94976
1Gasket, Flywheel HousingNo ImageN/A
NSSMercruiser Stern Drive
  • 25-58390
1O-RIngNo ImageN/A
NSSMercruiser Stern Drive
  • 27-94136
1GasketNo ImageN/A
Upper Unit Seal Kit
Your Price:
$68.99

Upper Unit Seal Kit

676-18-2666

Additional Details:

  • For: 100-245 Stringer Units (1968-1972)

Interchanges/Replaces

GLM

  • 87651

OMC Stern Drive

  • 981799

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-0939GLM
  • 33050
Johnson/Evinrude Outboard
  • 315189
OMC Stern Drive
  • 315189
1Upper Gearcase Dipstick Gasket N/A
18-2073GLM
  • 86090
OMC Stern Drive
  • 313191
  • 907967
  • 981268
  • 981587
4Oil Seal N/A
18-3111GLM
  • 86100
OMC Stern Drive
  • 907774
1Water Pump Shaft Seal N/A
18-4248Johnson/Evinrude Outboard
  • 311598
Mallory
  • 9-60408
OMC Stern Drive
  • 311598
  • 3852105
Volvo Penta
  • 3852105
2Drain/Fill Plug Washer N/A
18-7103GLM
  • 81190
Johnson/Evinrude Outboard
  • 308624
Mercruiser Stern Drive
  • 25-29845
Mercury Marine
  • 25-29845
OMC Stern Drive
  • 308624
4O-Ring N/A
18-7107GLM
  • 82480
Johnson/Evinrude Outboard
  • 313175
Mercruiser Stern Drive
  • 25-67202
Mercury Marine
  • 25-67202
OMC Stern Drive
  • 313175
1O-Ring N/A
18-7121GLM
  • 82350
Mallory
  • 9-76651
Mercruiser Stern Drive
  • 25-35029
  • 27-882613
  • 802231
Mercury Marine
  • 25-35029
OMC Stern Drive
  • 308621
1O-Ring N/A
18-7134Chrysler/Force/US Marine
  • 25-20195
  • 25-F40342
GLM
  • 81120
Johnson/Evinrude Outboard
  • 303059
  • 339543
Mallory
  • 9-76511
Mercruiser Stern Drive
  • 25-20195
  • 25-201951
Mercury Marine
  • 25-20195
OMC Stern Drive
  • 303059
1O-Ring N/A
18-7146GLM
  • 81220
Johnson/Evinrude Outboard
  • 554545
Mallory
  • 9-76539
Mercruiser Stern Drive
  • 25-47632
  • 25-864701
OMC Stern Drive
  • 554545
1O-Ring N/A
18-7158GLM
  • 81160
Johnson/Evinrude Outboard
  • 309731
  • 310585
Mallory
  • 9-76543
Mercruiser Stern Drive
  • 25-30613
  • 25-846357
Mercury Marine
  • 25-30613
  • 25-846357
OMC Stern Drive
  • 310585
  • 310967
1O-Ring N/A
18-7172GLM
  • 82360
Johnson/Evinrude Outboard
  • 553126
Mallory
  • 9-76552
Mercruiser Stern Drive
  • 25-31305
Mercury Marine
  • 25-31305
OMC Stern Drive
  • 553126
1O-Ring N/A
18-7173Chrysler/Force/US Marine
  • 25-30224
GLM
  • 82250
Johnson/Evinrude Outboard
  • 310327
Mallory
  • 9-76501
Mercruiser Stern Drive
  • 25-30224
  • 25-30224Q
Mercury Marine
  • 25-27018
  • 25-30224
  • 25-30224Q
OMC Stern Drive
  • 310327
1O-Ring N/A
18-7198Chrysler/Force/US Marine
  • 25-45710
GLM
  • 81270
Honda Outboard
  • 91353-ZW1-003
Mallory
  • 9-76504
Mercruiser Stern Drive
  • 25-45710
  • 25-457101
Mercury Marine
  • 25-45710
  • 25-457101
OMC Stern Drive
  • 308626
2O-Ring N/A
NSSOMC Stern Drive
  • 308592
2Gasket, CoverNo ImageN/A
NSSOMC Stern Drive
  • 308592
2Gasket, CoverNo ImageN/A
3 Results (Viewing 1 - 3 of 3)
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