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Sierra / Mallory

Cover, Water Pump Housing
Your Price:
$2.99

Cover, Water Pump Housing

676-18-9081

Key Features:

  • Meets or Exceeds OEM Specifications

Additional Details:

  • Fits: Select Late Model 75-300HP Yamaha Engines

Interchanges/Replaces

Yamaha Outboard

  • 6E5-44312-00-00
Cover, Water Pump Housing
Your Price:
$1.99

Cover, Water Pump Housing

676-18-9082

Key Features:

  • Meets or Exceeds OEM specifications

Additional Details:

  • Fits: Late Model 4-Stroke 225-350 HP Yamaha Engines

Interchanges/Replaces

Yamaha Outboard

  • 6AW-44312-00-00
Crankcase Filter
Your Price:
$40.99

Crankcase Filter

676-18-57702

Key Features:

  • Engineered with premium grade materials that will excel in the extreme marine environment
  • Epoxy coated for corrosion resistance
  • Heavy-wall steel canister for further corrosion protection
  • High-efficiency filter media that meets or exceeds the OE's filtration
  • Backed by Sierra's industry leading warranty

Interchanges/Replaces

Mallory

  • 9-57702

Volvo Penta

  • 3830004
  • 876069
  • 876070
Crankcase Gasket
Your Price:
$1.99

Crankcase Gasket

676-18-2515

Interchanges/Replaces

GLM

  • 31580

Mercury Marine

  • 27-53862
Crankcase Gasket
Your Price:
$2.99

Crankcase Gasket

676-18-2514

Interchanges/Replaces

GLM

  • 30430

Mercury Marine

  • 27-53650
Crankcase Gasket (Priced Per Pkg of 5)
Your Price:
$8.99

Crankcase Gasket (Priced Per Pkg of 5)

676-18-2513-9

Key Features:

  • Cyl. Block Sealing V-6

Interchanges/Replaces

GLM

  • 30890

Mallory

  • 9-60049
  • 9-60050

Mercury Marine

  • 27-11338
  • 27-67208

Mercury Sport Jet

  • 27-11338
Crankshaft
Your Price:
$537.99

Crankshaft

676-18-4197

Interchanges/Replaces

Johnson/Evinrude Outboard

  • 334665
Crankshaft Position Sensor
Your Price:
$141.99

Crankshaft Position Sensor

676-18-7706

Interchanges/Replaces

CDI

  • E13-0003

Mallory

  • 9-29820

Volvo Penta

  • 3858979
Crankshaft Seal Kit
Your Price:
$42.99

Crankshaft Seal Kit

676-18-4329

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-7457Chrysler/Force/US Marine
  • 25-F455305
GLM
  • 81320
Johnson/Evinrude Outboard
  • 319662
1O-Ring N/A
18-8351GLM
  • 87130
Johnson/Evinrude Outboard
  • 0321504
  • 308500
1Oil Seal N/A
18-2093GLM
  • 87120
Johnson/Evinrude Outboard
  • 319664
  • 333096
  • 398051
1Oil Seal N/A
18-7170Chrysler/Force/US Marine
  • 25-33504
GLM
  • 82200
Johnson/Evinrude Outboard
  • 307239
Mallory
  • 9-76502
Mercruiser Stern Drive
  • 25-33504
Mercury Marine
  • 25-33504
OMC Stern Drive
  • 307239
  • 3852071
Volvo Penta
  • 3852071
1O-Ring N/A
18-7174Chrysler/Force/US Marine
  • 25-45711
  • 25-F455342
GLM
  • 81140
Johnson/Evinrude Outboard
  • 326649
  • 553127
Mallory
  • 9-76553
Mercruiser Stern Drive
  • 25-45711
Mercury Marine
  • 25-45711
Mercury Sport Jet
  • 25-45711
OMC Stern Drive
  • 326649
  • 553127
  • 910582
1O-Ring N/A
Crankshaft Seal Kit
Your Price:
$46.99

Crankshaft Seal Kit

676-18-4331

Key Features:

  • Crossflow V-4, V-6

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
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
18-7117GLM
  • 82150
Johnson/Evinrude Outboard
  • 303360
Mallory
  • 9-76507
Mercruiser Stern Drive
  • 25-35027
Mercury Marine
  • 25-35027
1O-Ring N/A
18-7133GLM
  • 82400
Johnson/Evinrude Outboard
  • 305123
  • 321119
Mallory
  • 9-76529
OMC Stern Drive
  • 305123
4O-Ring N/A
18-2074GLM
  • 86440
Johnson/Evinrude Outboard
  • 318451
  • 322575
  • 339620
1Oil Seal N/A
18-0543GLM
  • 86770
Johnson/Evinrude Outboard
  • 0321895
  • 313507
1Oil Seal N/A
Crankshaft Seal Kit
Your Price:
$33.99

Crankshaft Seal Kit

676-18-8355

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-7457Chrysler/Force/US Marine
  • 25-F455305
GLM
  • 81320
Johnson/Evinrude Outboard
  • 319662
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
18-2093GLM
  • 87120
Johnson/Evinrude Outboard
  • 319664
  • 333096
  • 398051
1Oil Seal N/A
18-8350GLM
  • 87140
Johnson/Evinrude Outboard
  • 0328603
1Oil Seal N/A
18-7174Chrysler/Force/US Marine
  • 25-45711
  • 25-F455342
GLM
  • 81140
Johnson/Evinrude Outboard
  • 326649
  • 553127
Mallory
  • 9-76553
Mercruiser Stern Drive
  • 25-45711
Mercury Marine
  • 25-45711
Mercury Sport Jet
  • 25-45711
OMC Stern Drive
  • 326649
  • 553127
  • 910582
1O-Ring N/A
18-7490GLM
  • 82080
Johnson/Evinrude Outboard
  • 305146
1O-Ring N/A
Cross Pin
Your Price:
$5.99

Cross Pin

676-18-2357

Additional Details:

  • Fits: I, MC-I, R, MR, Alpha One, Alpha One Gen II and Vazer

Interchanges/Replaces

GLM

  • 21131

Mallory

  • 9-78111

Mercruiser Stern Drive

  • 17-30632
  • 17-8M0084681
  • 17-8M0100263

Mercury Marine

  • 17-8M0020941
Cup
Your Price:
$10.99

Cup

676-18-3162

Interchanges/Replaces

Yamaha Outboard

  • 67F-44322-00-00
Cylinder Block Cover Gasket (Priced Per Pkg of 2)
Your Price:
$9.99

Cylinder Block Cover Gasket (Priced Per Pkg of 2)

676-18-2507-9

Additional Details:

  • For: Mercury 40-50 Hp

Interchanges/Replaces

GLM

  • 31890

Mercury Marine

  • 27-37816
  • 27-72487
  • 27-78026
  • 27-85487
Cylinder Block Gasket
Your Price:
$15.99

Cylinder Block Gasket

676-18-2943

Additional Details:

  • For: Mercury 80 Jet, 100 Hp, 115 Hp, and 125 Hp 4 cyl.

Interchanges/Replaces

GLM

  • 37670

Mercury Marine

  • 27-443281
  • 27-443282
  • 27-443283
  • 27-443284
Cylinder Block Gasket
Your Price:
$13.99

Cylinder Block Gasket

676-18-2740

Additional Details:

  • For: Mercury 65 Jet, 75 Hp 3 cyl., 90 Hp 3 cyl.

Interchanges/Replaces

GLM

  • 37660

Mercury Marine

  • 27-430051
  • 27-430052
  • 27-430053
  • 27-430055
  • 27-430056
  • 27-430057
Cylinder Cover Gasket (Priced Per Pkg of 2)
Your Price:
$18.99

Cylinder Cover Gasket (Priced Per Pkg of 2)

676-18-2806-9

Key Features:

  • V-6

Interchanges/Replaces

GLM

  • 30680

Mercury Marine

  • 27-65788
Cylinder Cover Gasket (Priced Per Pkg of 2)
Your Price:
$9.99

Cylinder Cover Gasket (Priced Per Pkg of 2)

676-18-2808-9

Interchanges/Replaces

GLM

  • 32440

Mercury Marine

  • 27-96278

Mercury Race Outboard

  • 27-96278
Cylinder Head
Your Price:
$1,023.99

Cylinder Head

676-18-4484HP

Key Features:

  • CH350HA: 5.7L Hybrid early style 350 Cylinder Head
  • 65cc combustion chamber, 176cc intake runner
  • 1.94 intake valve, 1.50 exhaust valve
  • Early intake bolt pattern, perimeter valve cover bolt pattern

Additional Details:

  • ATTENTION: REPLACE IN PAIRS
Cylinder Head
Your Price:
$1,082.99

Cylinder Head

676-18-4493HP

Key Features:

  • 454/7.4L GM Vortec Head Universal
  • GM Casting 12560241, 10141279
  • 100cc combustion chamber, 246cc intake runner