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Manufacturers

Sierra / Mallory

Cover Assy
Your Price:
$104.99

Cover Assy

676-18-4750

Interchanges/Replaces

Johnson/Evinrude Outboard

  • 983967

OMC Stern Drive

  • 983967
Cover Gasket
Your Price:
$4.99

Cover Gasket

676-18-0829

Interchanges/Replaces

Mallory

  • 9-60510

Yamaha Outboard

  • 61A-12414-A0-00
  • 6H3-12414-00-00
  • 6H3-12414-A0-00
  • 6J8-12414-A0-00
Cover Screw
Your Price:
$9.99

Cover Screw

676-18-4215

Additional Details:

  • Size: 1/4" or 6.4mm - 20

Interchanges/Replaces

GLM

  • 23230

Volvo Penta

  • 941816
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
Crankshaft Position Sensor
Your Price:
$149.99

Crankshaft Position Sensor

676-18-7706

Interchanges/Replaces

CDI

  • E13-0003

Mallory

  • 9-29820

Volvo Penta

  • 3858979
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
Cylinder Block Gasket
Your Price:
$15.99

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
Cylinder Head Gasket
Your Price:
$5.99

Cylinder Head Gasket

676-18-2736

Additional Details:

  • For: 15-25HP 2 cyl

Interchanges/Replaces

Mercury Marine

  • 27-863891
  • 27-863895
  • 31-863893
Damper, Water Seal
Your Price:
$2.99

Damper, Water Seal

676-18-1835

Key Features:

  • Meets or Exceeds OEM Specifications

Additional Details:

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

Interchanges/Replaces

Yamaha Outboard

  • 6E5-44365-00-00
Deflector Hose
Your Price:
$5.99

Deflector Hose

676-18-0892

Interchanges/Replaces

Johnson/Evinrude Outboard

  • 322411
Dial Indicator Holding Tool
Your Price:
$21.99

Dial Indicator Holding Tool

676-18-9866

Key Features:

  • Secures dial indicator to gear housing when checking backlash

Additional Details:

  • Compatible Drive Units and Outboards: MC-I, R-MR, Alpha One, TR, and TRS

Interchanges/Replaces

Mercury Marine

  • 91-89897
Diaphragm
Your Price:
$5.99

Diaphragm

676-18-7388

Use With:

Interchanges/Replaces

Yamaha Outboard

  • 6G1-24411-00-00
Diaphragm
Your Price:
$10.99

Diaphragm

676-18-7390

Use With:

Interchanges/Replaces

Yamaha Outboard

  • 63V-24411-00-00
Diaphragm
Your Price:
$9.99

Diaphragm

676-18-7391

Interchanges/Replaces

Yamaha Outboard

  • 692-24411-00-00
Diaphragm & Cup Assembly
Your Price:
$24.99

Diaphragm & Cup Assembly

676-18-3501

Interchanges/Replaces

Johnson/Evinrude Outboard

  • 435957
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