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Gear Set 

Additional Details:

  • For: MR/Alpha One/Gen II Lower Gear Housings

Interchanges/Replaces

GLM

  • 11312

Mercruiser Stern Drive

  • 43-17064A3
  • 43-42933A2
  • 43-42933A3
  • 43-878087A4

Mercury Marine

  • 43-828072A2

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-1117Chrysler/Force/US Marine
  • 31-42647A1
  • 31-F694057
GLM
  • 21610
Johnson/Evinrude Outboard
  • 387817
  • 5007751
Mallory
  • 9-75121
Mercruiser Stern Drive
  • 31-42647
  • 31-42647A1
Mercury Marine
  • 31-42647A1
OMC Stern Drive
  • 387817
1Pinion Bearing N/A
18-1143GLM
  • 21580
Mallory
  • 9-75107
Mercruiser Stern Drive
  • 31-36387A1
Mercury Marine
  • 31-36387A1
1Tapered Roller Bearing N/A
18-1155GLM
  • 21620
Mallory
  • 9-75114
Mercruiser Stern Drive
  • 30-17927
  • 30-35914
  • 30-88957
  • 30-88957A1
  • 30-88957T
Mercury Marine
  • 30-17927
  • 30-35914
  • 30-88957
  • 30-88957A1
  • 30-88957T
Mercury Race Outboard
  • 30-35914
  • 30-88957
  • 30-88957A1
  • 30-88957T
1Ball Bearing N/A
18-1158Chrysler/Force/US Marine
  • 31-30956
  • 31-F523058
GLM
  • 11410
Honda Outboard
  • 91053-ZW1-003
Johnson/Evinrude Outboard
  • 387247
Mallory
  • 9-75112
Mercruiser Stern Drive
  • 31-30956
  • 31-30956T
Mercury Marine
  • 31-30956
  • 31-30956T
OMC Stern Drive
  • 387247
1Carrier Bearing N/A
18-2285GLM
  • 23220
Mercruiser Stern Drive
  • 15-35931A1
  • 15-47397A1
Mercury Marine
  • 15-47397A1
1Shim Set N/A
18-2294GLM
  • 23210
Mercruiser Stern Drive
  • 15-42637A1
Mercury Marine
  • 15-42637A1
  • 15-8M0063267
1Shim Kit N/A
18-2343Chrysler/Force/US Marine
  • 12-92721
  • 12-F694186
GLM
  • 32800
Mallory
  • 9-78108
Mercruiser Stern Drive
  • 12-92721
Mercury Marine
  • 12-92721
1Pinion Nut Washer N/A
18-3719Chrysler/Force/US Marine
  • 11-35921
  • 11-826375
  • 11-F694188
GLM
  • 11190
Johnson/Evinrude Outboard
  • 314730
Mallory
  • 9-78103
Mercruiser Stern Drive
  • 11-35921
Mercury Marine
  • 11-35921
  • 11-47411
  • 11-826375
OMC Stern Drive
  • 314730
1Pinion Nut N/A
18-2206-11Gear Set N/A
MSRP: $887.68
Your Price: $634.99
You Save: 28% off MSRP!

Reviews On This Product:
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