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Drive System Parts - Upper Unit Drive Parts

Bell Housing Bushing Kit
Your Price:
$43.99

Bell Housing Bushing Kit

676-18-2622

Additional Details:

  • Fits: MC-I, R, MR, Alpha One & Gen II (s/n 0F094774 & Below)

Interchanges/Replaces

GLM

  • 87561

Mallory

  • 9-72161

Mercruiser Stern Drive

  • 23-45588
  • 23-79373
  • 23-79373A1
  • 23-805041A2

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-2054Chrysler/Force/US Marine
  • 26-816464 1
GLM
  • 85581
Honda Outboard
  • 91253-ZW1-003
Mallory
  • 9-76116
Mercruiser Stern Drive
  • 26-8164641
Mercury Marine
  • 26-76384
  • 26-816464
  • 26-8164641
2Oil Seal

Drive Shaft
Your Price:
$112.99

Drive Shaft

676-18-2324

Additional Details:

  • For: Gen II (s/n 0F680000 & Up), Mercruiser Vazer

Interchanges/Replaces

GLM

  • 11131

Mallory

  • 9-72462

Mercruiser Stern Drive

  • 45-557961

Shift Arm
Your Price:
$86.99

Shift Arm

676-18-2169

Additional Details:

  • Fits: MC-I, R, MR & Alpha One

Interchanges/Replaces

GLM

  • 21420

Mallory

  • 9-72475

Mercruiser Stern Drive

  • 45589A1
  • 45589A3

Shift Shaft
Your Price:
$54.99

Shift Shaft

676-18-2320

Additional Details:

  • For: Alpha One Gen II

Interchanges/Replaces

GLM

  • 21031

Mallory

  • 9-72477

Mercruiser Stern Drive

  • 815919A1
  • 8M0127949

Upper Gear Kit
Your Price:
$547.99

Upper Gear Kit

676-18-2256

Additional Details:

  • Ratio: 1.50:1
  • Fits: R, MR, Alpha One & SS (1983-1990)
  • Drive Gear: 22 teeth
  • Driven Gear: 20 teeth

Interchanges/Replaces

GLM

  • 11215

Mallory

  • 9-79202

Mercruiser Stern Drive

  • 43-803116T1
  • 43-803117T1

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-1142GLM
  • 21560
Mercruiser Stern Drive
  • 31-32573A1
1Upper Pinion Bearing N/A
18-1160GLM
  • 21520
Mallory
  • 9-75123
Mercruiser Stern Drive
  • 31-35988A12
  • 31-35988A2
1Drive Bearing Kit N/A
18-1165GLM
  • 21510
Mallory
  • 9-75117
Mercruiser Stern Drive
  • 31-61100A1
1Tapered Roller Bearing N/A
18-2201GLM
  • 11210
Mercruiser Stern Drive
  • 43-18410A2
  • 43-18411A2
  • 43-59832A2
  • 43-59832A4
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:
$667.99

Upper Gear Kit

676-18-2259

Additional Details:

  • Ratio: 1.98:1
  • Drive Gear: 20 teeth
  • Driven Gear: 24 teeth
  • For: 120/140

Interchanges/Replaces

GLM

  • 11245

Mallory

  • 9-79203

Mercruiser Stern Drive

  • 43-803101T1

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
18-2205GLM
  • 11240
Mercruiser Stern Drive
  • 43-55766A2
  • 43-55766A3
  • 43-55778A3
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

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