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Outboards - Gaskets & Sets

3-port Superflow Fuel Selector Valve
Your Price:
$515.99

3-port Superflow Fuel Selector Valve

421-SF-20

3-port Superflow Fuel Selector Valve

This electric fuel valve has high capacity flow, 250 gallons per hour and a 400 pound maximum operating pressure Designed with a brass ball valve construction and a 1/2" thru-hole for non restricted flow This valve has an automatic "switch-over" switch built-in for fuel tanks sending unit The mechanical switch makes it easy in case of electrical failure This unit measures 2" deep x 4" tall x 12-3/4" long with 1/2" NPT This is also available as a 6 port with fuel returns perfect for fuel injected motors.


Exhaust Elbow Gasket
Your Price:
$5.99

Exhaust Elbow Gasket

676-18-2875-1

Additional Details:

  • For: Volvo 3.0L GS, GL. GLM, GLP, GSM, GSP

Use With:

Interchanges/Replaces

Barr

  • OMC47908013

GLM

  • 33770

Mallory

  • 9-65100

OMC Stern Drive

  • 3850495
  • 908013

Osco

  • 0188-G

Volvo Penta

  • 3850495

Exhaust Manifold Gasket
Your Price:
$6.99

Exhaust Manifold Gasket

676-18-2991-1

Use With:

Interchanges/Replaces

Barr

  • VO47855383

GLM

  • 37100

Mallory

  • 9-65801

Osco

  • VO-GH

Volvo Penta

  • 463846
  • 855383
  • 855967

Gasket
Your Price:
$3.99

Gasket

676-18-0677-1

Use With:

Interchanges/Replaces

GLM

  • 33500

Mallory

  • 9-65700

Osco

  • M0002

Pleasurecraft

  • RM0002

Oil Pan Gasket
Your Price:
$8.99

Oil Pan Gasket

676-18-0322

Additional Details:

  • For: GM 5.0L & 5.7L

Interchanges/Replaces

GLM

  • 30354

Mallory

  • 9-61511

Mercruiser Stern Drive

  • 27-14241
  • 27-881715
  • FI1101298

OMC Stern Drive

  • 3852656
  • 912956

Volvo Penta

  • 3852656
  • 855810

One Piece Rear Main Seal
Your Price:
$22.99

One Piece Rear Main Seal

676-18-0519

Key Features:

  • One piece rear main seal

Additional Details:

  • O.D.: 4.536"
  • Shaft Size: 3.792"
  • Width: 0.482"
  • For: 5.0L/5.7L, 4.3L, 3.0L Std. Rotation

Interchanges/Replaces

GLM

  • 85790

Mallory

  • 9-61621

Mercruiser Stern Drive

  • 26-14240
  • 26-8M0077606
  • FI1101300

OMC Stern Drive

  • 3852657
  • 912957

Volvo Penta

  • 3852657
  • 855809

One Piece Rear Main Seal
Your Price:
$59.99

One Piece Rear Main Seal

676-18-1234

Key Features:

  • One piece rear main seal

Additional Details:

  • For: 7.4L/8.2L/454/502 Std. Rotation

Interchanges/Replaces

Mallory

  • 9-61622

Mercruiser Stern Drive

  • 24-811554

OMC Stern Drive

  • 3853528
  • 915346

Volvo Penta

  • 3853528
  • 857232

One Piece Rear Main Seal
Your Price:
$30.99

One Piece Rear Main Seal

676-18-0864

Key Features:

  • One piece rear main seal

Additional Details:

  • For: 224I/L4

Interchanges/Replaces

Mallory

  • 9-61623

Mercruiser Stern Drive

  • 26-67389
  • 26-90925

Polished Billet Manual Fuel Valve Assembly
Your Price:
$139.99

Polished Billet Manual Fuel Valve Assembly

620-101P

Polished Billet Manual Fuel Valve Assembly

At last a fuel valve you're not trying to hide. This highly polished billet fuel valve is something everyone would be proud to own. 1/2 NPT Ports. It has left tank, right tank, both tanks, and off for setting. Measures 2-3/4" X 2-3/4" X 2-1/4" deep

Note: This valve is not USCG approved.


Relief Valve Plate Gasket
Your Price:
$1.99

Relief Valve Plate Gasket

676-18-0936

Interchanges/Replaces

GLM

  • 31990

Mallory

  • 9-60057

Mercury Marine

  • 27-67624
  • 27-78690
  • 27-78690002

Mercury Sport Jet

  • 27-78690
  • 27-78690002

Short Block Gasket Set
Your Price:
$122.99

Short Block Gasket Set

676-18-1271

Key Features:

  • Minimizes inventory investment to cover most major engine applications
  • Maximizes inventory utilizations via mix and match system
  • Utilizes generic type gasket kits common among all engine brands
  • Except models with cast push rod cover

Additional Details:

  • For: Chevy 4 cyl 153/2.5L (1965-88) (For Models w/ 1 piece rear main seal use 18-1206)
  • For: Chevy 4 cyl 181/3.0L (1973-84) (For models w/ 1 piece rear main seal use 18-1206)
  • For: Chevy 4 cyl 181/3.0L HO (1990-98) (For models w/ 1 piece rear main seal use 18-1206)
  • For: Chevy 4 cyl 181/3.0L (1985-89)

Interchanges/Replaces

Mallory

  • 9-61700

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-0327GLM
  • 31350
Mallory
  • 9-60067
Mercruiser Stern Drive
  • 27-33956
  • 27-810848
  • 27-879150138
  • FI5000200
  • FI5000219
OMC Stern Drive
  • 311851
  • 3853342
  • 914819
Volvo Penta
  • 3853342
1Water Pump Gasket N/A
18-0466GLM
  • 39470
Mallory
  • 9-61509
Mercruiser Stern Drive
  • 27-14901
  • 27-14901A1
  • 27-52144
OMC Stern Drive
  • 3923440
1Oil Pan Gasket Set 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
18-0887GLM
  • 30360
Mallory
  • 9-61602
Mercruiser Stern Drive
  • 27-34216
  • 27-49953
  • FI5000201
OMC Stern Drive
  • 3852691
  • 912988
  • 913275
Volvo Penta
  • 3852691
Yamaha Sterndrive
  • YSG-14096-15-6G
1Timing Cover 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
18-0948GLM
  • 32300
Mercruiser Stern Drive
  • 27-87707
1Distributor Gasket N/A
18-1211GLM
  • 85490
Mallory
  • 9-61620
Mercruiser Stern Drive
  • 26-49947
  • 26-58203
  • 26-814622
  • FI5110026
  • FI5110027
  • FI5110041
OMC Inboard
  • 473424
OMC Stern Drive
  • 473424
1Rear Main Seal N/A
18-1213Mallory
  • 9-61610
Mercruiser Stern Drive
  • 26-11973
  • 26-34218
  • 26-42750
  • 26-49952
  • 26-54799
  • 26-59342
  • 26-79223
  • 26-97335
  • FI1100202
  • FI1100806
  • FI1101076
  • FI1101263
  • FI3835946
  • FI5110043
OMC Stern Drive
  • 3853341
  • 912989
  • 914817
Volvo Penta
  • 3853341
  • 856665
1Timing Cover Seal N/A
18-2815GLM
  • 32640
Mallory
  • 9-61312
Mercruiser Stern Drive
  • 27-814703
  • FI5000119
  • FI5000199
OMC Stern Drive
  • 3852692
  • 912982
  • 913276
Volvo Penta
  • 3852692
1Push Rod Cover Gasket N/A

Short Block Gasket Set
Your Price:
$163.99

Short Block Gasket Set

676-18-1270

Key Features:

  • Minimizes inventory investment to cover most major engine applications
  • Maximizes inventory utilizations via mix and match system
  • Utilizes generic type gasket kits common among all engine brands

Additional Details:

  • Requires: Rear Crankshaft Seal (Not Included) in addition to short block kit
  • For: Chevy V-6 229/3.8L and 4.3L (thru 1985)
  • For: Chevy V-6 262/4.3L - 1 Piece Rear Seal
  • For: Chevy V-6 262/4.3L Gen II - 1 Piece Rear Seal 1986-1995

Interchanges/Replaces

Mallory

  • 9-61701

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-0322GLM
  • 30354
Mallory
  • 9-61511
Mercruiser Stern Drive
  • 27-14241
  • 27-881715
  • FI1101298
OMC Stern Drive
  • 3852656
  • 912956
Volvo Penta
  • 3852656
  • 855810
1Rear Seal Gasket N/A
18-0405GLM
  • 39840
Mallory
  • 9-61505
Mercruiser Stern Drive
  • 27-14247
  • 27-883964
  • 27-883964T
OMC Stern Drive
  • 3852655
  • 912955
Volvo Penta
  • 3852655
  • 856402
1Oil Pan Gasket N/A
18-0519GLM
  • 85790
Mallory
  • 9-61621
Mercruiser Stern Drive
  • 26-14240
  • 26-8M0077606
  • FI1101300
OMC Stern Drive
  • 3852657
  • 912957
Volvo Penta
  • 3852657
  • 855809
1One Piece Rear Main Seal 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
18-0891Chris-Craft
  • 16.50-00078
GLM
  • 31380
Mallory
  • 9-60065
Mercruiser Stern Drive
  • 27-34896
  • 27-34897
  • FI5000077
  • FI5000078
OMC Inboard
  • 909835
OMC Stern Drive
  • 3852477
  • 909835
Volvo Penta
  • 3852477
  • 835210
Yamaha Sterndrive
  • YSG-37545-87-G0
1Water Pump Mounting Gasket N/A
18-0905Chrysler/Force/US Marine
  • F3921989
  • F4079550
  • F724150
  • FI1100765
GLM
  • 30370
Mallory
  • 9-60104
Mercruiser Stern Drive
  • 25-804612
  • 26-883921
  • 27-34502
  • 27-49955
  • 27-60721
  • 27-8M0077608
Yamaha Sterndrive
  • YSG-14090-90-8G
1Oil Pan Drain Plug Gasket N/A
18-0976Crusader
  • 20129
GLM
  • 30530
Mallory
  • 9-61600
Mercruiser Stern Drive
  • 27-14250
  • 27-34895
  • FI1101297
1Timing Chain Cover Gasket N/A
18-1213Mallory
  • 9-61610
Mercruiser Stern Drive
  • 26-11973
  • 26-34218
  • 26-42750
  • 26-49952
  • 26-54799
  • 26-59342
  • 26-79223
  • 26-97335
  • FI1100202
  • FI1100806
  • FI1101076
  • FI1101263
  • FI3835946
  • FI5110043
OMC Stern Drive
  • 3853341
  • 912989
  • 914817
Volvo Penta
  • 3853341
  • 856665
1Timing Cover Seal N/A
18-0468Mercruiser Stern Drive
  • 27-811572
OMC Stern Drive
  • 3852654
  • 3853512
  • 912954
  • 915326
Volvo Penta
  • 3852654
  • 3853512
1Timing Cover Gasket N/A

Short Block Gasket Set
Your Price:
$78.99

Short Block Gasket Set

676-18-1256

Key Features:

  • Right hand rotation engines require
  • Minimizes inventory investment to cover most major engine applications
  • Maximizes inventory utilizations via mix and match system
  • Utilizes generic type gasket kits common among all engine brands

Additional Details:

  • For: Chevy V-8 454/7.4L w/ Square Ports
  • For: Chevy V-8 454/7.4L and 502/8.2L

Interchanges/Replaces

GLM

  • 77010

Mallory

  • 9-61703

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-0348GLM
  • 39490
Mallory
  • 9-61501
Mercruiser Stern Drive
  • 27-49107
  • 27-52550
  • FI1100229
  • FI5000229
  • FI5000245
OMC Inboard
  • 3931593
1Oil Pan Gasket Set N/A
18-0520GLM
  • 85960
1Oil Seal 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
18-0903GLM
  • 31770
Mallory
  • 9-60066
Mercruiser Stern Drive
  • 27-49110
  • FI1101000
OMC Stern Drive
  • 3853361
  • 914874
Volvo Penta
  • 3853361
  • 856610
Yamaha Sterndrive
  • YSG-38600-39-G0
2Water Pump Gasket
18-0980GLM
  • 30440
Mercruiser Stern Drive
  • 27-49109
  • 27-54529
  • FI1100990
  • FI110990
OMC Inboard
  • 3935449
OMC Stern Drive
  • 3935449
1Timing Cover Gasket N/A
18-1233Mallory
  • 9-61612
Mercruiser Stern Drive
  • 26-49154
  • 26-821947
  • 26-8219471
  • FI1100986
OMC Inboard
  • 3860095
OMC Stern Drive
  • 3860095
1Timing Cover Seal N/A

Short Block Gasket Set
Your Price:
$99.99

Short Block Gasket Set

676-18-1265

Key Features:

  • Minimizes inventory investment to cover most major engine applications
  • Maximizes inventory utilizations via mix and match system
  • Utilizes generic type gasket kits common among all engine brands

Additional Details:

  • Rotation: Standard
  • For: Chevy V-8 305/5.0L - 2 Piece Rear Seal (thru 1985)
  • For: Chevy V-8 350/5.7L - 2 Piece Rear Seal (thru 1985)

Interchanges/Replaces

Mallory

  • 9-61706

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-0153GLM
  • 39230
Mercruiser Stern Drive
  • 27-72627
  • 27-85817A1
  • FI5110032
  • FI5110037
OMC Inboard
  • 458625
OMC Stern Drive
  • 357159
  • 458625
1Oil Pan Gasket Set N/A
18-0185GLM
  • 32390
Mercruiser Stern Drive
  • 27-91892
1Remote Oil Seal N/A
18-0876Chris-Craft
  • 16.50-05756
GLM
  • 32750
Mallory
  • 9-61042
Mercruiser Stern Drive
  • 27-34898
  • FI5005756
OMC Stern Drive
  • 312800
  • 3852113
Volvo Penta
  • 3852113
Yamaha Sterndrive
  • YSG-10108-43-8G
1Fuel Pump 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
18-0891Chris-Craft
  • 16.50-00078
GLM
  • 31380
Mallory
  • 9-60065
Mercruiser Stern Drive
  • 27-34896
  • 27-34897
  • FI5000077
  • FI5000078
OMC Inboard
  • 909835
OMC Stern Drive
  • 3852477
  • 909835
Volvo Penta
  • 3852477
  • 835210
Yamaha Sterndrive
  • YSG-37545-87-G0
2Water Pump Mounting Gasket
18-0905Chrysler/Force/US Marine
  • F3921989
  • F4079550
  • F724150
  • FI1100765
GLM
  • 30370
Mallory
  • 9-60104
Mercruiser Stern Drive
  • 25-804612
  • 26-883921
  • 27-34502
  • 27-49955
  • 27-60721
  • 27-8M0077608
Yamaha Sterndrive
  • YSG-14090-90-8G
1Oil Pan Drain Plug Gasket N/A
18-0976Crusader
  • 20129
GLM
  • 30530
Mallory
  • 9-61600
Mercruiser Stern Drive
  • 27-14250
  • 27-34895
  • FI1101297
1Timing Chain Cover Gasket N/A
18-1211GLM
  • 85490
Mallory
  • 9-61620
Mercruiser Stern Drive
  • 26-49947
  • 26-58203
  • 26-814622
  • FI5110026
  • FI5110027
  • FI5110041
OMC Inboard
  • 473424
OMC Stern Drive
  • 473424
1Rear Main Seal N/A
18-1213Mallory
  • 9-61610
Mercruiser Stern Drive
  • 26-11973
  • 26-34218
  • 26-42750
  • 26-49952
  • 26-54799
  • 26-59342
  • 26-79223
  • 26-97335
  • FI1100202
  • FI1100806
  • FI1101076
  • FI1101263
  • FI3835946
  • FI5110043
OMC Stern Drive
  • 3853341
  • 912989
  • 914817
Volvo Penta
  • 3853341
  • 856665
1Timing Cover Seal N/A
18-0893GLM
  • 30230
Mercruiser Stern Drive
  • 27-35380
OMC Stern Drive
  • 3850595
Volvo Penta
  • 3850595
1Water Pump Back-in Plate Gasket N/A

Transfer Port Cover Gasket
Your Price:
$1.99

Transfer Port Cover Gasket

676-18-0870

Interchanges/Replaces

GLM

  • 30060

Mallory

  • 9-60063

Mercury Marine

  • 27-27936
  • 27-279361

Water Pump Gasket
Your Price:
$1.99

Water Pump Gasket

676-18-0903

Key Features:

  • Package of 2

Additional Details:

  • Fits: GM V-8 (454 & 502 cid) engines

Interchanges/Replaces

GLM

  • 31770

Mallory

  • 9-60066

Mercruiser Stern Drive

  • 27-49110
  • FI1101000

OMC Stern Drive

  • 3853361
  • 914874

Volvo Penta

  • 3853361
  • 856610

Yamaha Sterndrive

  • YSG-38600-39-G0

Water Pump Gasket
Your Price:
$1.99

Water Pump Gasket

676-18-0327

Additional Details:

  • Fits: GM 4 cyl. & in-line 6 cyl.

Interchanges/Replaces

GLM

  • 31350

Mallory

  • 9-60067

Mercruiser Stern Drive

  • 27-33956
  • 27-810848
  • 27-879150138
  • FI5000200
  • FI5000219

OMC Stern Drive

  • 311851
  • 3853342
  • 914819

Volvo Penta

  • 3853342

Water Pump Mounting Gasket
Your Price:
$1.99

Water Pump Mounting Gasket

676-18-0891

Additional Details:

  • Fits: GM V-6 & V-8 (305, 350 & 377 cid) engines

Interchanges/Replaces

Chris-Craft

  • 16.50-00078

GLM

  • 31380

Mallory

  • 9-60065

Mercruiser Stern Drive

  • 27-34896
  • 27-34897
  • FI5000077
  • FI5000078

OMC Inboard

  • 909835

OMC Stern Drive

  • 3852477
  • 909835

Volvo Penta

  • 3852477
  • 835210

Yamaha Sterndrive

  • YSG-37545-87-G0