Categories
Departments
Manufacturers

Sierra / Mallory

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
Upper Pinion Bearing
Your Price:
$44.99

Upper Pinion Bearing

676-18-1142

Additional Details:

  • Fits: I, R, MR, Alpha One & Gen II w/ 1.50 ratio

Interchanges/Replaces

GLM

  • 21560

Mercruiser Stern Drive

  • 31-32573A1
Upper Unit Assembly
Your Price:
$1,812.99

Upper Unit Assembly

676-18-2450

Additional Details:

  • Ratio: 1:50:1, 1.47:1
  • For: Alpha I

Interchanges/Replaces

GLM

  • 19100

Mercruiser Stern Drive

  • 1547-3917A13
  • 1547-3917A21
  • 1547-3917A32
  • 1547-3917A37
  • 1547-5523A12
  • 1547-5523A2
  • 1547-5523A68
  • 1547-5523A9
  • 1547-8265A15
  • 1547-9412A20
  • 1547-9412A30
  • 1547-9412A35
Upper Unit Assembly
Your Price:
$1,812.99

Upper Unit Assembly

676-18-2451

Additional Details:

  • For: Alpha I
  • Ratios: 1.65:1, 1.62:1

Interchanges/Replaces

GLM

  • 19200

Mercruiser Stern Drive

  • 1547-3917A16
  • 1547-3917A30
  • 1547-3917A38
  • 1547-3917A4
  • 1547-3917A8
  • 1547-5523A11
  • 1547-5523A66
  • 1547-5523A8
  • 1547-8265A16
  • 1547-9412A21
Upper Unit Assembly
Your Price:
$1,812.99

Upper Unit Assembly

676-18-2452

Additional Details:

  • For: Alpha I
  • Ratios: 1.84:1, 1.81:1

Interchanges/Replaces

GLM

  • 19300

Mercruiser Stern Drive

  • 1547-5523A49
  • 1547-5523A67
  • 1547-8265A17
  • 1547-9412A22
  • 1547-9412A36
Upper Unit Assembly
Your Price:
$1,812.99

Upper Unit Assembly

676-18-2453

Additional Details:

  • For: Alpha I
  • Ratios: 1.98:1, 1.94:1

Interchanges/Replaces

GLM

  • 19400

Mercruiser Stern Drive

  • 1547-3917A17
  • 1547-3917A2
  • 1547-3917A28
  • 1547-3917A39
  • 1547-3917A9
  • 1547-5523A10
  • 1547-5523A65
  • 1547-5523A7
  • 1547-8265A18
  • 1547-9412A23
  • 1547-9412A37
Upper Unit Gear Repair Kit
Your Price:
$593.99

Upper Unit Gear Repair Kit

676-18-2358

Additional Details:

  • Ratios: 1.50:1 (1.47:1)
  • Teeth: 20-22
  • For: Gen II applications s/n range up to 0K999999 only

Interchanges/Replaces

GLM

  • 11216

Mercruiser Stern Drive

  • 43-803102T1

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
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
18-2820Mercruiser Stern Drive
  • 27-45821
  • 27-64818
  • 27-64818A1
  • 27-64818A20
  • 27-64818A4
  • 27-64818Q4
1Outdrive Gasket N/A
18-2840GLM
  • 31160
Mercruiser Stern Drive
  • 27-35982
1Bell Housing Gasket N/A
18-2743GLM
  • 31141
Mallory
  • 9-61012
Mercruiser Stern Drive
  • 27-94996
  • 27-949962
  • 27-94996A20
1Outdrive Mounting Gasket 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
18-7117GLM
  • 82150
Johnson/Evinrude Outboard
  • 303360
Mallory
  • 9-76507
Mercruiser Stern Drive
  • 25-35027
Mercury Marine
  • 25-35027
1O-Ring N/A
18-7153GLM
  • 81180
Mallory
  • 9-76505
Mercruiser Stern Drive
  • 25-25439
Mercury Marine
  • 25-25439
Mercury Race Outboard
  • 25-25439
Mercury Race Sterndrive
  • 25-25439
OMC Stern Drive
  • 3852565
  • 911851
Volvo Penta
  • 3852565
  • 997368
2O-Ring
18-2644GLM
  • 87501
Mallory
  • 9-74302
Mercruiser Stern Drive
  • 26-88397A1
1Upper Unit Seal Kit N/A
18-1160GLM
  • 21520
Mallory
  • 9-75123
Mercruiser Stern Drive
  • 31-35988A12
  • 31-35988A2
1Drive Bearing Kit N/A
18-2292GLM
  • 23280
Mercruiser Stern Drive
  • 15-35980A1
1Shim Kit N/A
18-2293GLM
  • 23270
Mercruiser Stern Drive
  • 15-23097A1
  • 15-36178A02
  • 15-36178A1
  • 15-39899A1
1Shim Kit N/A
18-2283GLM
  • 23260
Mercruiser Stern Drive
  • 15-45691A1
1Shim Set N/A
Upper Unit Gear Repair Kit
Your Price:
$462.99

Upper Unit Gear Repair Kit

676-18-6351K

Additional Details:

  • Ratio: 1.47:1
  • For: Gen II (1998 & Up) (s/n 0L100040 & Up)

Interchanges/Replaces

Mercruiser Stern Drive

  • 43-803103T1

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-6351Mercruiser Stern Drive
  • 43-853641A2
1Upper Unit Gear Set N/A
18-1179GLM
  • 21511
Mallory
  • 9-75106
Mercruiser Stern Drive
  • 31-32575A1
  • 31-32575T1
Mercury Marine
  • 31-32575A1
  • 31-32575T1
1Tapered Roller Bearing N/A
18-1156Chrysler/Force/US Marine
  • 31-30894A1
GLM
  • 21820
Honda Outboard
  • 91051-ZW1-003
Mallory
  • 9-75118
Mercruiser Stern Drive
  • 31-30894A1
Mercury Marine
  • 31-30894A1
1Foward Gear Bearing N/A
18-3712GLM
  • 28330
Mallory
  • 9-78107
Mercruiser Stern Drive
  • 12-45810
1Carrier Nut Washer N/A
18-3713Chrysler/Force/US Marine
  • 11-F1920
  • F1348
  • F1881
GLM
  • 28360
Mallory
  • 9-78117
Mercruiser Stern Drive
  • 11-22339
  • 11-36084
  • 11-97522
Mercury Marine
  • 11-22339
1Lock Nut N/A
18-2644GLM
  • 87501
Mallory
  • 9-74302
Mercruiser Stern Drive
  • 26-88397A1
1Upper Unit Seal Kit 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
18-2282GLM
  • 23261
Mercruiser Stern Drive
  • 15-32563A1
Mercury Marine
  • 15-32563A1
1Shim Set N/A
18-2292GLM
  • 23280
Mercruiser Stern Drive
  • 15-35980A1
1Shim Kit N/A
18-2293GLM
  • 23270
Mercruiser Stern Drive
  • 15-23097A1
  • 15-36178A02
  • 15-36178A1
  • 15-39899A1
1Shim Kit N/A
NSSMercruiser Stern Drive
  • 25-853649
1Spacer, Bearing CupNo ImageN/A