Mercruiser Alpha I Lower Drive Parts

The diagram to the right is for a Mercruiser Alpha I Gen I Sterndrive Lower Drive for models from 1984-1990. The following parts correspond to the numbers on this diagram:

Outer Forward Gear Bearing (Must provide number stamped on bearing race)

Water Pump Base

We also offer the following item:

Didn't find the Sterndrive Part you needed? We have many additional parts in our warehouse. Please contact us directly to let us do a custom search for the part you need.

Red Rhino

New Red Rhino / Mercury & Mariner V6 Water Pump Base OEM # 46-42579A3

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Now: $29.90

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Red Rhino

New Red Rhino / Mercury & Mariner V6 Ratcheting Clutch Dog OEM # 52-853594T

MSRP:

Was:

Now: $133.52

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SEI

New SEI / Mercruiser Alpha 1 1972-1990 1.62 Ratio CR Lower Unit Gear Set OEM # 812975A5 & 824700A1

MSRP:

Was:

Now: $524.63

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Red Rhino

New Red Rhino / Mercruiser 1984-1990 Alpha I Gen I Lower Drive Seal Kit OEM # 26-33144A2

MSRP:

Was:

Now: $56.10

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Red Rhino

New Red Rhino / Mercruiser Drain/Fill Screw Gasket [10-Pack] OEM # 27-191833

MSRP:

Was:

Now: $8.90

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Red Rhino

New Red Rhino / Mercruiser 1984-1990 Alpha I Gen I Drive Shaft OEM # 45-42634

MSRP:

Was:

Now: $310.37

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New Pro Marine / Mercruiser Anode Zinc Trim Tab OEM # 31640Q4

MSRP:

Was:

Now: $7.99

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Red Rhino

New Red Rhino / Mercruiser Gear Set OEM # 43-828072A2

MSRP:

Was:

Now: $403.52

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Red Rhino

New Red Rhino / Tab Washer OEM # 14-18323

MSRP:

Was:

Now: $13.43

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Red Rhino

New Red Rhino / Outer Forward Gear Bearing OEM # 31-828437A2

MSRP:

Was:

Now: $95.00

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Red Rhino

New Red Rhino / Mercury & Mercruiser Tab Washer OEM # 14-79447

MSRP:

Was:

Now: $9.38

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Red Rhino

New Red Rhino / Mercury & Mariner & Mercruiser Spanner Cover Nut OEM # 79448

MSRP:

Was:

Now: $17.85

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Red Rhino

New Red Rhino / Drive Shaft Bearing OEM # 31-36387A1

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Was:

Now: $39.95

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Red Rhino

New Red Rhino / Mercury & Mercruiser & Yamaha Bearing OEM # 30-88957T, 93306-209U1, 93306-209U0-00, 30-88957A1

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Was:

Now: $35.60

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Red Rhino

New Red Rhino / Outer Forward Gear Bearing OEM # 31-30894A1, 93332-000U7-00, 31-30894A

MSRP:

Was:

Now: $49.90

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Red Rhino

New Red Rhino / Inner Forward Gear Bearing OEM # 31-30895, 31-30895T

MSRP:

Was:

Now: $10.06

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Red Rhino

New Red Rhino / Mercury & OMC & Mercruiser Bearing OEM # 387247, 31-30956T

MSRP:

Was:

Now: $14.90

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Red Rhino

New Red Rhino / Johnson & Evinrude Bearing OEM # 387817

MSRP:

Was:

Now: $36.32

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Red Rhino

New Red Rhino / Mercury & Mariner V6 2.0L/2.4L/2.5L Water Pump Kit OEM # 46-96148T8

MSRP:

Was:

Now: $49.90

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New Pro-Marine / Mercury & Mariner 1986-2015 135-200 HP V6 2.0/2.4/2.5L Counter Rotation Bearing Carrier OEM # 818290A4

MSRP:

Was:

Now: $305.99

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Red Rhino

New Red Rhino / Mercury & Mariner 1986-2015 135-200 HP V6 2.0/2.4/2.5L Bearing Kit

MSRP:

Was:

Now: $115.65

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Red Rhino

New Red Rhino / Mercury & Mariner 1986-2015 135-200 HP V6 2.0/2.4/2.5L Outboard Bearing Carrier OEM # 43567T1

MSRP:

Was:

Now: $218.99

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Red Rhino

New SEI / Mercury & Mariner 1994-2007 200 DFI-250 HP V6 3.0L Propshaft OEM # 44-824110 & 44-850308

MSRP:

Was:

Now: $289.31

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Red Rhino

New Red Rhino / Mercury & Mariner 1994-2007 200 DFI-250 HP V6 3.0L Bearing Carrier OEM # 818763T11

MSRP:

Was:

Now: $161.87

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Red Rhino

New Red Rhino / Mercury & Mariner V6 Water Pump Base OEM # 46-42579A3

This listing is for a New Red Rhino / Mercury & Mariner V6 Water Pump Base. This item will replace OEM No. 46-42579A3. This will work for the following models: Mercury/Mariner V6 2.0/2.4/2.5L 135-200 HP models from 1986-2015 Mercruiser Alpha I Gen I...

MSRP:

Was:

Now: $29.90

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Red Rhino

New Red Rhino / Mercury & Mariner V6 Ratcheting Clutch Dog OEM # 52-853594T

This listing is for a New Red Rhino / Mercury & Mariner V6 Ratcheting Clutch Dog, which will fit the following models: 135-200 HP models from 1986-1997 3.0L 200 HP DFI / 225-250 HP models from 1994-1997 V6 135-200 HP models form 1986-1997 Alpha I...

MSRP:

Was:

Now: $133.52

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SEI

New SEI / Mercruiser Alpha 1 1972-1990 1.62 Ratio CR Lower Unit Gear Set OEM # 812975A5 & 824700A1

New SEI Mercruiser Alpha 1 1972-1990 1.62 Gear Ratio Counter Rotation Lower Gear Set. Replaces OEM number 812975A5 + 824700A1. Three year fault free warranty. SHIPPING: Additional shipping fees to Alaska, Hawaii, US Territories, or International...

MSRP:

Was:

Now: $524.63

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Red Rhino

New Red Rhino / Mercruiser 1984-1990 Alpha I Gen I Lower Drive Seal Kit OEM # 26-33144A2

This listing is for a New Red Rhino / Mercruiser Alpha I Gen I Lower Drive Seal Kit, which will fit models from 1984 to 1990. This item will replace OEM # 26-33144A2. NOTE: All items for a rebuild are available for order, though they are not necessarily...

MSRP:

Was:

Now: $56.10

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Red Rhino

New Red Rhino / Mercruiser Drain/Fill Screw Gasket [10-Pack] OEM # 27-191833

This listing is for a New Red Rhino / Mercruiser Drain/Fill Screw Gasket 10 Pack (R-Style, Alpha, Gen II & Bravo models). This item will replace OEM No. 27-191833. NOTE: All items for a rebuild are available for order, though they are not necessarily...

MSRP:

Was:

Now: $8.90

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Red Rhino

New Red Rhino / Mercruiser 1984-1990 Alpha I Gen I Drive Shaft OEM # 45-42634

This listing is for a New Red Rhino / Mercruiser 1984-1990 Alpha I Gen I Drive Shaft OEM # 45-42634. NOTE: All items for a rebuild are available for order, though they are not necessarily listed on this website. If you need more items for a rebuild,...

MSRP:

Was:

Now: $310.37

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New Pro Marine / Mercruiser Anode Zinc Trim Tab OEM # 31640Q4

This listing is for a New Pro Marine / Mercruiser Anode Zinc Trim Tab OEM # 31640Q4, which will fit Alpha I Gen I Lower Drives from 1984-1990. This item will replace OEM No. 31640Q4. NOTE: All items for a rebuild are available for order, though...

MSRP:

Was:

Now: $7.99

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Red Rhino

New Red Rhino / Mercruiser Gear Set OEM # 43-828072A2

This listing is for a New Red Rhino / Mercruiser Gear Set OEM # 43-828072A2, which will fit the following models: Alpha I Gen I Lower Drives from 1984-1990 Alpha I Gen II Lower Drives from 1991-1997 (requires Forward Gear Bearing #R-910415) NOTE: All...

MSRP:

Was:

Now: $403.52

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Red Rhino

New Red Rhino / Tab Washer OEM # 14-18323

This listing is for a New Red Rhino / Tab Washer OEM # 14-18323. This is for the following applications: Mercury/Mariner V6 3.0L 200 DFI - 250 HP models from 1994-2007 MerCruiser Alpha I Gen I models from 1984-1990 MerCruiser Alpha I Gen II models from...

MSRP:

Was:

Now: $13.43

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Red Rhino

New Red Rhino / Outer Forward Gear Bearing OEM # 31-828437A2

This listing is for a New Red Rhino / Outer Forward Gear Bearing. This item replaces OEM# 31-828437A2. This will work with the following models: Mercury/Mariner V6 3.0L 200 DFI-250 HP models from 1994-2007 MerCruiser Sterndrive Alpha I Gen I models from...

MSRP:

Was:

Now: $95.00

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Red Rhino

New Red Rhino / Mercury & Mercruiser Tab Washer OEM # 14-79447

This listing is for a New Red Rhino Tab Washer. This is for the following applications: Mercury/Mariner V6 2.0/2.4/2.5L 135-200 HP models from 1986-2015 MerCruiser Alpha I Gen I models from 1984-1990 This item replaces OEM# 14-79447. SHIPPING:...

MSRP:

Was:

Now: $9.38

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Red Rhino

New Red Rhino / Mercury & Mariner & Mercruiser Spanner Cover Nut OEM # 79448

This listing is for a New Red Rhino / Spanner Cover Nut OEM # 79448. This is for the following applications: Mercury/Mariner V6 2.0/2.4/2.5L 135-200 HP models from 1986-2015 Mercury/Mariner V6 3.0L 200 DFI-250 HP models from 1994-2007 MerCruiser Alpha I...

MSRP:

Was:

Now: $17.85

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Red Rhino

New Red Rhino / Drive Shaft Bearing OEM # 31-36387A1

This listing is for a New Red Rhino / Drive Shaft Bearing OEM # 31-36387A1. This is for the following applications: Mercury/Mariner V6 2.0/2.4/2.5L 135-200 HP models from 1986-2015 as a Top Drive Shaft Bearing Mercury/Mariner V6 3.0L 200 DFI-250 HP...

MSRP:

Was:

Now: $39.95

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Red Rhino

New Red Rhino / Mercury & Mercruiser & Yamaha Bearing OEM # 30-88957T, 93306-209U1, 93306-209U0-00, 30-88957A1

This listing is for a New Red Rhino Bearing. This is for the following applications: Mercury/Mariner V6 2.0/2.4/2.5L 135-200 HP Lower Units from 1986-2015 as a Reverse Gear Bearing Mercury/Mariner V6 3.0L 200 DFI-250 HP Lower Units from 1994-2007 as a...

MSRP:

Was:

Now: $35.60

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Red Rhino

New Red Rhino / Outer Forward Gear Bearing OEM # 31-30894A1, 93332-000U7-00, 31-30894A

This listing is for a New Red Rhino / Outer Forward Gear Bearing. This item replaces OEM # 31-30894A1, 93332-000U7-00, and 31-30894A. This will work with the following models: Mercury/Mariner Bigfoot 60 HP models from 1987-2006 Mercury/Mariner L3 70-90...

MSRP:

Was:

Now: $49.90

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Red Rhino

New Red Rhino / Inner Forward Gear Bearing OEM # 31-30895, 31-30895T

This listing is for a New Red Rhino / Inner Forward Gear Bearing. This item replaces OEM # 31-30895 and 31-30895T. This will work with the following models: Mercury/Mariner Bigfoot 60 HP models from 1987-2006 Mercury/Mariner L3 70-90 HP models from...

MSRP:

Was:

Now: $10.06

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Red Rhino

New Red Rhino / Mercury & OMC & Mercruiser Bearing OEM # 387247, 31-30956T

This listing is for a New Red Rhino Bearing. This item replaces OEM#s 387247 and 31-30956T. This will work with the following models: Johnson/Evinrude V4 Big Foot 90-140 HP models from 1986-1991 as an Aft Prop Bearing (small) Johnson/Evinrude V6 150-250...

MSRP:

Was:

Now: $14.90

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Red Rhino

New Red Rhino / Johnson & Evinrude Bearing OEM # 387817

This listing is for a New Red Rhino / Johnson & Evinrude Bearing. This item replaces OEM # 387817. This will work with the following models: Johnson/Evinrude V4 Big Foot 90-140 HP models from 1986-2006 as a Pinion Bearing Johnson/Evinrude V6 150-250...

MSRP:

Was:

Now: $36.32

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Red Rhino

New Red Rhino / Mercury & Mariner V6 2.0L/2.4L/2.5L Water Pump Kit OEM # 46-96148T8

This listing is for a New Red Rhino / Mercury & Mariner V6 Water Pump Kit, which will fit the following models: 135-150 HP 2.0L models from 1986-2001 150-200 HP 2.4L models from 1983-1990 150-200 HP 2.5L models from 1991-2015 This item will replace...

MSRP:

Was:

Now: $49.90

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New Pro-Marine / Mercury & Mariner 1986-2015 135-200 HP V6 2.0/2.4/2.5L Counter Rotation Bearing Carrier OEM # 818290A4

This listing is for a New Pro-Marine / Mercury & Mariner 1986-2015 135-200 HP V6 2.0/2.4/2.5L Counter Rotation Bearing Carrier OEM # 818290A4 NOTE: All items for a rebuild are available for order, though they are not necessarily listed on this...

MSRP:

Was:

Now: $305.99

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Red Rhino

New Red Rhino / Mercury & Mariner 1986-2015 135-200 HP V6 2.0/2.4/2.5L Bearing Kit

This listing is for a New Red Rhino / Mercury & Mariner 135-200 HP V6 2.0/2.4/2.5L Bearing Kit, which will fit models from 1986 to 2015. This item includes the following bearings, with the OEM Part Number they replace in brackets: Inner Forward Gear...

MSRP:

Was:

Now: $115.65

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Red Rhino

New Red Rhino / Mercury & Mariner 1986-2015 135-200 HP V6 2.0/2.4/2.5L Outboard Bearing Carrier OEM # 43567T1

This listing is for a New Red Rhino Mercury & Mariner 135-200 HP V6 2.0/2.4/2.5L Bearing Carrier, which will fit models from 1986 to 2015. This item will replace OEM No. 43567T1. NOTE: All items for a rebuild are available for order, though they are...

MSRP:

Was:

Now: $218.99

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Red Rhino

New SEI / Mercury & Mariner 1994-2007 200 DFI-250 HP V6 3.0L Propshaft OEM # 44-824110 & 44-850308

This listing is for a New SEI / Mercury & Mariner 1994-2007 200 DFI-250 HP V6 3.0L Propshaft OEM # 44-824110 & 44-850308. NOTE: All items for a rebuild are available for order, though they are not necessarily listed on this website. If you need...

MSRP:

Was:

Now: $289.31

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Red Rhino

New Red Rhino / Mercury & Mariner 1994-2007 200 DFI-250 HP V6 3.0L Bearing Carrier OEM # 818763T11

This listing is for a New Red Rhino / Mercury & Mariner 200 DFI-250 HP V6 3.0L Bearing Carrier, which will fit models from 1994 to 2007. This item will replace OEM # 818763T11. NOTE: All items for a rebuild are available for order, though they are...

MSRP:

Was:

Now: $161.87

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