Lower Gear HousingĀ 

Key Features:

  • Includes tapered roller bearing for non-tractor 14/28 or 17/28 gears

Additional Details:

  • Bore Size: 3.2635-3.2650
  • For: MR/Alpha style

Interchanges/Replaces

GLM

  • 18000

Mallory

  • 9-79127

Mercruiser Stern Drive

  • 1623-8951A15
  • 1623-8951A27
  • 1623-8951A37
  • 1623-8951A5

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-2244Chrysler/Force/US Marine
  • 10-79953
  • 10-79953A2
  • 10-F50109
  • F40109
GLM
  • 22420
Mallory
  • 9-72650
Mercruiser Stern Drive
  • 10-28634
  • 10-28634A1
  • 10-79953
  • 10-79953A2
  • 10-79953Q04
  • 10-79953Q2
  • 816610A1
  • 816610A2
Mercury Marine
  • 10-20259
  • 10-28634
  • 10-28634A1
  • 10-79953
  • 10-79953A2
  • 10-79953Q04
  • 10-79953Q2
1Drain Screw N/A
18-7176Chrysler/Force/US Marine
  • 25-90011
  • 25-F74305
  • F694555
  • F74035
  • F74305-1
GLM
  • 81390
Mallory
  • 9-76554
Mercruiser Stern Drive
  • 25-896523
  • 25-90011
Mercury Marine
  • 25-896523
  • 25-90011
1O-Ring N/A
18-6093GLM
  • 12702
Mercruiser Stern Drive
  • 806105A1
  • 97-806105
  • 97-806105Q1
  • 97-806105T1
1Anode N/A
18-2914GLM
  • 31010
Mallory
  • 9-60034
Mercruiser Stern Drive
  • 27-32433
  • 27-856081
  • 27-8M0090319
Mercury Marine
  • 27-30603
  • 27-32433
  • 27-85608
  • 27-856081
  • 27-8M0090319
1Water Pump Gasket N/A
18-1143GLM
  • 21580
Mallory
  • 9-75107
Mercruiser Stern Drive
  • 31-36387A1
Mercury Marine
  • 31-36387A1
1Tapered Roller Bearing N/A
18-2376Mallory
  • 9-72602
Mercruiser Stern Drive
  • 73020A20
  • 818763A10
  • 818763A4
1Carrier Bearing N/A
18-2285GLM
  • 23220
Mercruiser Stern Drive
  • 15-35931A1
  • 15-47397A1
Mercury Marine
  • 15-47397A1
1Shim Set N/A
18-7159GLM
  • 83440
Mallory
  • 9-76544
Mercruiser Stern Drive
  • 25-31534
  • 25-48451
Mercury Marine
  • 25-31534
1O-Ring N/A
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
18-3199GLM
  • 21870
Mallory
  • 9-78115
Mercruiser Stern Drive
  • 93423
  • 934231
  • 934233
1Water Pickup N/A
18-3198GLM
  • 21880
Mallory
  • 9-78114
Mercruiser Stern Drive
  • 93424
  • 934241
  • 934243
1Water Pickup N/A
18-3197GLM
  • 12822
Mallory
  • 9-78130
Mercruiser Stern Drive
  • 10-67373
  • 10-76156
Mercury Marine
  • 10-76156
1Water Pick-Up Insert Screw N/A
18-2915GLM
  • 31020
Mallory
  • 9-60035
Mercruiser Stern Drive
  • 27-32434
  • 27-856091
  • 27-858524
Mercury Marine
  • 27-30604
  • 27-32434
  • 27-85609
  • 27-856091
  • 27-858524
1Water Pump Gasket N/A
18-2919GLM
  • 31050
Mallory
  • 9-60031
Mercruiser Stern Drive
  • 27-426311
Mercury Marine
  • 27-42631
  • 27-426311
1Water Pump Gasket N/A
18-6011Honda Outboard
  • 41107-ZW1-003ZA
Mercruiser Stern Drive
  • 31640
  • 316404
  • 31640A1
  • 97-31640Q4
Mercury Marine
  • 31640
  • 316403
  • 316404
  • 31640A1
  • 31640A2
  • 31640A4
  • 31640B4
  • 72436A1
  • 97-31640Q4
1Anode N/A
18-2945Chrysler/Force/US Marine
  • 12-19183
  • F50556
  • F8077
  • F8186
Johnson/Evinrude Outboard
  • 307552
Mallory
  • 9-60101
  • 9-60102
Mercruiser Stern Drive
  • 12-19183
  • 12-191832
  • 12-191833
  • 12-19183B
  • 12-20260
  • 12-20260B
Mercury Marine
  • 12-19183
  • 12-191832
  • 12-191833
  • 12-20260
1Drain Screw Gasket N/A
18-6245GLM
  • 21740
Mercruiser Stern Drive
  • 10-32470
Mercury Marine
  • 10-32470
  • 10-47580
  • 10-74728
1Anode Mounting Bolt N/A
NSSMercruiser Stern Drive
  • 10-806290
2Screw (#10-32 x 5/8")No ImageN/A
NSSMercruiser Stern Drive
  • 11-45812
  • 11-859124
1LocknutNo ImageN/A
MSRP: $1,463.30
Your Price: $1,045.99
You Save: 29% off MSRP!

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