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Outboards - Gaskets & Sets

3-port Superflow Fuel Selector Valve
Your Price:
$569.99

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

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

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

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

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

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

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

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

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

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

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

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

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

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

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:
$129.99

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

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

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

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

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

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

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

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

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

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

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

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

Transfer Port Cover Gasket

676-18-0870

Interchanges/Replaces

GLM

  • 30060

Mallory

  • 9-60063

Mercury Marine

  • 27-27936
  • 27-279361

Volvo Riser to Manifold Gasket
Your Price:
$8.99

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

Volvo Riser to Manifold Gasket

676-18-2971

Volvo Riser to Manifold Gasket
Included in 9-40972
Our Inboard & Sterndrive Cooling Systems are built of the best marine grade material. We designed each part to stand up to the harsh marine environment, and made to specifically fit to the application you need.


Water Pump Gasket
Your Price:
$1.99

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

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

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

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

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

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