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Sierra / Mallory

Universal 3/8” Fuel Hose
Your Price:
$37.99

Universal 3/8” Fuel Hose

676-18-8015EP-1

Universal 3/8” Fuel Hose


Universal 5/16” Fuel Hose
Your Price:
$35.99

Universal 5/16” Fuel Hose

676-18-8013EP-1

Universal 5/16” Fuel Hose


Universal 5/16” Fuel Hose
Your Price:
$47.99

Universal 5/16” Fuel Hose

676-18-8032EP-1

Universal 5/16” Fuel Hose


Universal Spark Plug Boot
Your Price:
$5.99

Universal Spark Plug Boot

676-18-5752

Additional Details:

  • Size: 8 mm
  • Fits: Outboard Universal Applications

Interchanges/Replaces

Mallory

  • 9-28123

Universal Spark Plug Boot (Priced Per Pkg of 10)
Your Price:
$43.99

Universal Spark Plug Boot (Priced Per Pkg of 10)

676-18-5750-9

Key Features:

  • Supplied complete with Terminal Connector

Interchanges/Replaces

GLM

  • 74000

Johnson/Evinrude Outboard

  • 580339
  • 581027

Mallory

  • 9-28124

OMC Stern Drive

  • 580339
  • 581027

Upper Casing Gasket
Your Price:
$11.99

Upper Casing Gasket

676-18-0739

Interchanges/Replaces

Yamaha Outboard

  • 61T-45113-A0-00
  • 689-45113-01-00
  • 689-45113-10-00
  • 689-45113-A1-00

Upper Drive Nut Cap
Your Price:
$196.99

Upper Drive Nut Cap

676-18-2382

Additional Details:

  • For: Gen II s/n 0F680000 & Up

Interchanges/Replaces

GLM

  • 28402

Mallory

  • 9-78120

Mercruiser Stern Drive

  • 18312A3
  • 828692A1

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-1179GLM
  • 21511
Mallory
  • 9-75106
Mercruiser Stern Drive
  • 31-32575A1
  • 31-32575T1
Mercury Marine
  • 31-32575A1
  • 31-32575T1
1Tapered Roller Bearing N/A
18-7161GLM
  • 80420
Mallory
  • 9-76546
Mercruiser Stern Drive
  • 25-32546
Mercury Marine
  • 25-32546
1O-Ring N/A
18-2282GLM
  • 23261
Mercruiser Stern Drive
  • 15-32563A1
Mercury Marine
  • 15-32563A1
1Shim Set N/A

Upper Drive Shaft Assembly
Your Price:
$131.99

Upper Drive Shaft Assembly

676-18-2325

Interchanges/Replaces

Johnson/Evinrude Outboard

  • 335900
  • 435760
  • 5000618

Upper Drive Shaft Assembly
Your Price:
$139.99

Upper Drive Shaft Assembly

676-18-2328

Interchanges/Replaces

Johnson/Evinrude Outboard

  • 335678
  • 435761
  • 5000626

Upper Drive Unit Cap
Your Price:
$115.99

Upper Drive Unit Cap

676-18-2381

Additional Details:

  • For: s/n 6225577 & Later Alpha I, except Gen II

Interchanges/Replaces

GLM

  • 28400

Mallory

  • 9-78121

Mercruiser Stern Drive

  • 94998A1
  • 94998A2
  • 94998A3
  • 94998A4

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-2283GLM
  • 23260
Mercruiser Stern Drive
  • 15-45691A1
1Shim Set N/A
18-1165GLM
  • 21510
Mallory
  • 9-75117
Mercruiser Stern Drive
  • 31-61100A1
1Tapered Roller Bearing N/A

Upper Face Plate Gasket
Your Price:
$1.99

Upper Face Plate Gasket

676-18-2827

Additional Details:

  • For: Mercury 20 Hp

Interchanges/Replaces

GLM

  • 31090

Mercury Marine

  • 27-39623
  • 27-396231

Upper Face Plate Gasket (Priced Per Pkg of 2)
Your Price:
$3.99

Upper Face Plate Gasket (Priced Per Pkg of 2)

676-18-2827-9

Additional Details:

  • For: Mercury 20 Hp

Interchanges/Replaces

GLM

  • 31090

Mercury Marine

  • 27-39623
  • 27-396231

Upper Gear Housing Complete
Your Price:
$3,237.99

Upper Gear Housing Complete

676-18-4804

Additional Details:

  • Upper Gear Housing Ratio: 21:16

Interchanges/Replaces

Johnson/Evinrude Outboard

  • 984770
  • 986381

OMC Stern Drive

  • 984770
  • 986381

Upper Gear Housing Complete
Your Price:
$3,235.99

Upper Gear Housing Complete

676-18-4806

Additional Details:

  • Upper Gear Housing Ratio: 21:19

Interchanges/Replaces

OMC Stern Drive

  • 984765
  • 986380

Upper Gear Housing Gasket (Priced Per Pkg of 2)
Your Price:
$16.99

Upper Gear Housing Gasket (Priced Per Pkg of 2)

676-18-2990-9

Interchanges/Replaces

GLM

  • 87010

Volvo Penta

  • 832669

Upper Gear Kit
Your Price:
$503.99

Upper Gear Kit

676-18-2257

Additional Details:

  • Ratio: 1.65:1
  • Drive Gear: 24 teeth
  • Driven Gear: 24 teeth
  • For: 6 cyl Inline

Interchanges/Replaces

GLM

  • 11225

Mercruiser Stern Drive

  • 43-803112T1

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-1160GLM
  • 21520
Mallory
  • 9-75123
Mercruiser Stern Drive
  • 31-35988A12
  • 31-35988A2
1Drive Bearing Kit N/A
18-1161GLM
  • 21540
Johnson/Evinrude Outboard
  • 983891
Mallory
  • 9-75122
Mercruiser Stern Drive
  • 31-35990A1
OMC Stern Drive
  • 983891
1Tapered Roller Bearing N/A
18-1165GLM
  • 21510
Mallory
  • 9-75117
Mercruiser Stern Drive
  • 31-61100A1
1Tapered Roller Bearing N/A
18-2203GLM
  • 11220
Mercruiser Stern Drive
  • 43-45814A5
  • 43-55765A2
  • 43-55765A3
1Upper Unit Gear Set N/A
18-2619-1GLM
  • 39620
Mallory
  • 9-62601
  • 9-62601-25
Mercruiser Stern Drive
  • 27-64818A2
  • 27-64818A3
  • 27-94996
  • 27-949962
  • 27-94996A1
  • 27-94996A2
  • 27-94996Q2
1Outdrive Gasket Set N/A
18-2648GLM
  • 87500
Mallory
  • 9-74303
Mercruiser Stern Drive
  • 26-32511A1
  • 26-32511B1
1Upper Unit Seal Kit N/A
18-2820Mercruiser Stern Drive
  • 27-45821
  • 27-64818
  • 27-64818A1
  • 27-64818A20
  • 27-64818A4
  • 27-64818Q4
1Outdrive Gasket N/A

Upper Gear Kit
Your Price:
$1,174.99

Upper Gear Kit

676-18-1600

Additional Details:

  • Upper Gear Kit Ratio: 21:16

Interchanges/Replaces

GLM

  • 22520

OMC Stern Drive

  • 983825

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-1170Chrysler/Force/US Marine
  • 31-812767A1
GLM
  • 21541
Johnson/Evinrude Outboard
  • 983892
Mercruiser Stern Drive
  • 31-812767A1
Mercury Marine
  • 31-812767A1
  • 31-8M0103476
  • 31-F506225
  • FA506225
OMC Stern Drive
  • 983892
1Lower Pinion Bearing N/A
18-1171GLM
  • 21543
OMC Stern Drive
  • 983878
1U-Joint Shaft Bearing N/A
18-1172GLM
  • 21542
OMC Stern Drive
  • 983877
1Carrier Bearing N/A
18-1161GLM
  • 21540
Johnson/Evinrude Outboard
  • 983891
Mallory
  • 9-75122
Mercruiser Stern Drive
  • 31-35990A1
OMC Stern Drive
  • 983891
1Tapered Roller Bearing N/A

Upper Gear Kit
Your Price:
$461.99

Upper Gear Kit

676-18-6352

Additional Details:

  • Drive Gear: 20 Teeth
  • Driven Gear: 24 Teeth
  • Ratios: 1.94:1, 2.40:1
  • For: Alpha I (Gen II) (1998 & Up), 0L100040 & Up
  • For: Mercruiser Vazer

Use With:

  • 18-2411: Driveshaft Housing Assembly
  • 18-2419: Complete Upper Unit Assembly

Interchanges/Replaces

Mercruiser Stern Drive

  • 43-853642A2

Upper Gear Kit
Your Price:
$327.99

Upper Gear Kit

676-18-6351

Additional Details:

  • Drive Gear: 20 Teeth
  • Driven Gear: 22 Teeth
  • Ratio: 1.47:1
  • For: Alpha I (Gen II) (1998 & Up), 0L100040 & Up

Use With:

  • 18-2416: Complete Upper Unit Assembly

Interchanges/Replaces

Mercruiser Stern Drive

  • 43-853641A2

Upper Gearcase Dipstick Gasket (Priced Per Pkg of 2)
Your Price:
$2.99

Upper Gearcase Dipstick Gasket (Priced Per Pkg of 2)

676-18-0939-9

Interchanges/Replaces

OMC Stern Drive

  • 315189

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