Outboards - Gaskets & Sets

3-port Superflow Fuel Selector Valve
Your Price:
$704.99

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.


Polished Billet Manual Fuel Valve Assembly
Your Price:
$159.99

Clear Anodized Billet Manual Fuel Valve Assembly

620-101P

Clear Anodized Billet Manual Fuel Valve Assembly

At last a fuel valve you're not trying to hide. This clear anodized 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.


One Piece Rear Main Seal
Your Price:
$30.99

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:
$72.99

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:
$32.99

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

Short Block Gasket Set
Your Price:
$60.99

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:
$100.99

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:
$2.99

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:
$2.99

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