Mercury/Mariner 4 Cylinder Powerhead Parts, 100-125 HP 1988-2006

The diagram to the right is for a Mercury/Mariner Powerhead for 4 Cylinder 100-125 HP models from 1988-2006. The following parts correspond to the numbers on this diagram:

Thermostat

We recommend the following kits for this powerhead:

The diagram to the right is for a Mercury/Mariner Crankshaft Assembly for 4 Cylinder 100-125 HP models from 1988-2006. The following parts correspond to the numbers on this diagram:

Rod Bearing with Cage
Wrist Pin Bearings

Although not numbered on the diagram, the following items are available for purchase:

Didn't find the Outboard 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.

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Red Rhino

New Red Rhino / Mercury & Mariner L3/L4 Top Guided Connecting Rod OEM # 646-818846T6

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Now: $175.37

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Red Rhino

New Red Rhino / Mercury & Mariner L3/L4 Bottom Guided Connecting Rod OEM # 638-9002A6

MSRP:

Was:

Now: $189.90

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Red Rhino

New Red Rhino / Mercury & Mariner L3/L4/3.0L Top Guided Rod Bolt OEM # 10-94320

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Now: $4.90

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Red Rhino

New Red Rhino / Mercury & Mariner Top Guided Wrist Pin Bearings OEM # 29-818391

MSRP:

Was:

Now: $7.95

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Red Rhino

New Red Rhino / Mercury & Mariner Bottom Guided Wrist Pin Bearings OEM # 29-88258

MSRP:

Was:

Now: $10.90

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Red Rhino

New Red Rhino / Mercury & Mariner Rod Bearings with Cage OEM # 31-43012A1

MSRP:

Was:

Now: $44.90

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Red Rhino

New Red Rhino / Mercury & Mariner 1987-2003 90° 3/4 Cylinder Check Valve Fuel Pump Kit, OEM # 42909A4

MSRP:

Was:

Now: $16.90

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Red Rhino

New Red Rhino / Mercury & Mariner 1983-1999 In-Line 3-6 Cylinder Check Valve Fuel Pump Kit OEM # 21-857005A1

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Was:

Now: $22.90

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Red Rhino

New Red Rhino / Mercury & Mariner Carburetor Kit OEM 1395-8112233-1, 1395-9595-1

MSRP:

Was:

Now: $12.76

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Red Rhino

New Red Rhino / Mercury & Mariner L3/L4 Center Main Bearing OEM # 42943A1

MSRP:

Was:

Now: $115.90

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Red Rhino

New Red Rhino / Mercury & Mariner 3 & 4 Cylinder Crankshaft Seal Kit

MSRP:

Was:

Now: $24.90

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Red Rhino

New Red Rhino / Mercury & Mariner 3/4 Cylinder Upper Crank Bearing OEM # 31-43013T3

MSRP:

Was:

Now: $45.80

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Red Rhino

New Red Rhino / Lower Main Bearing OEM # 30-43011T

MSRP:

Was:

Now: $24.95

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Red Rhino

New Red Rhino / Mercury & Mariner 3/4 Cylinder 120° Thermostat OEM # 14586

MSRP:

Was:

Now: $26.90

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Red Rhino

New Red Rhino / Johnson & Evinrude V4/V6 Cylinder 143° Thermostat OEM #75692

MSRP:

Was:

Now: $22.95

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Red Rhino

New Red Rhino / Mercury & Mariner 1988-2005 100-125 HP 4-CYL Outboard Powerhead Gasket Kit OEM # 27-13461A99

MSRP:

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Now: $109.90

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Red Rhino

New Red Rhino / Mercury & Mariner L3/L4 Top Guided Connecting Rod OEM # 646-818846T6

This listing is for a New Red Rhino / Mercury & Mariner L3/L4 Top Guided Connecting Rod OEM # 646-818846T6. NOTE: Additional parts are available, though not all are listed on this website. If you need additional parts for a rebuild, please email or...

MSRP:

Was:

Now: $175.37

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Red Rhino

New Red Rhino / Mercury & Mariner L3/L4 Bottom Guided Connecting Rod OEM # 638-9002A6

This listing is for a New Red Rhino / Mercury & Mariner L3/L4 Bottom Guided Connecting Rod OEM # 638-9002A6. NOTE: Additional parts are available, though not all are listed on this website. If you need additional parts for a rebuild, please email us...

MSRP:

Was:

Now: $189.90

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Red Rhino

New Red Rhino / Mercury & Mariner L3/L4/3.0L Top Guided Rod Bolt OEM # 10-94320

This listing is for New Red Rhino / Mercury & Mariner L3/L4/3.0L Top Guided Rod Bolt OEM # 10-94320. SHIPPING: Additional shipping fees to Alaska, Hawaii, US Territories, or International Shipping will be calculated after checkout. You will receive...

MSRP:

Was:

Now: $4.90

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Red Rhino

New Red Rhino / Mercury & Mariner Top Guided Wrist Pin Bearings OEM # 29-818391

This listing is for a New Red Rhino / Mercury & Mariner Top Guided Wrist Pin Bearings OEM # 29-818391. This is for use with rod #646-818846 and can be used with the following models: 3 Cylinder 70-90 HP models from 1992-2003 4 Cylinder 100-125 HP...

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Was:

Now: $7.95

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Red Rhino

New Red Rhino / Mercury & Mariner Bottom Guided Wrist Pin Bearings OEM # 29-88258

This listing is for a New Red Rhino / Mercury & Mariner Bottom Guided Wrist Pin Bearings OEM # 29-88258 and can be used with the following models: 3 Cylinder 70-90 HP models from 1987-1991 4 Cylinder 100-125 HP models from 1987-1991 V6 3.0L...

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Was:

Now: $10.90

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Red Rhino

New Red Rhino / Mercury & Mariner Rod Bearings with Cage OEM # 31-43012A1

This listing is for New Red Rhino / Mercury & Mariner Rod Bearings with Cage OEM # 31-43012A1. This will work with the following models: Mercury/Mariner 3 Cylinder 70-90 HP models from 1987-1991 Mercury/Mariner 4 Cylinder 100-125 HP models from...

MSRP:

Was:

Now: $44.90

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Red Rhino

New Red Rhino / Mercury & Mariner 1987-2003 90° 3/4 Cylinder Check Valve Fuel Pump Kit, OEM # 42909A4

This listing is for a New Red Rhino / Mercury & Mariner 90° 3/4 Cylinder In-Line Check Valve Fuel Pump Kit for the following models: 70-90 HP 3 Cylinder models from 1987-2003 100-125 HP 4 Cylinder models from 1988-2003 This kit will...

MSRP:

Was:

Now: $16.90

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Red Rhino

New Red Rhino / Mercury & Mariner 1983-1999 In-Line 3-6 Cylinder Check Valve Fuel Pump Kit OEM # 21-857005A1

This listing is for a New Red Rhino / Mercury & Mariner 3-6 Cylinder In-Line Check Valve Fuel Pump Kit for 1983-1999 models, which will replace OEM # 21-857005A1. NOTE: Additional parts are available, though not all are listed on this website. If...

MSRP:

Was:

Now: $22.90

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Red Rhino

New Red Rhino / Mercury & Mariner Carburetor Kit OEM 1395-8112233-1, 1395-9595-1

This listing is for a New Red Rhino / Mercury & Mariner Carburetor Kit. This item replaces OEM numbers 1395-8112233-1 and 1395-9595-1. This kit will work with the following models: 40-50 HP models from 1998-2010 50-60 HP models from...

MSRP:

Was:

Now: $12.76

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Red Rhino

New Red Rhino / Mercury & Mariner L3/L4 Center Main Bearing OEM # 42943A1

This listing is for a New Red Rhino / Mercury & Mariner L3/L4 Center Main Bearing OEM # 42943A1. SHIPPING: Additional shipping fees to Alaska, Hawaii, US Territories, or International Shipping will be calculated after checkout. You will receive an...

MSRP:

Was:

Now: $115.90

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Red Rhino

New Red Rhino / Mercury & Mariner 3 & 4 Cylinder Crankshaft Seal Kit

This listing is for a New Red Rhino / Mercury & Mariner 3 & 4 Cylinder Crankshaft Seal Kit. This will work for the following models: 3 Cylinder 70-90 HP models from 1987-2010 4 Cylinder 100-125 HP models from 1988-2005 SHIPPING: Additional...

MSRP:

Was:

Now: $24.90

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Red Rhino

New Red Rhino / Mercury & Mariner 3/4 Cylinder Upper Crank Bearing OEM # 31-43013T3

This listing is for a New Red Rhino / Mercury & Mariner 3/4 Cylinder Upper Crank Bearing. This works with the following models: 3 Cylinder 70-90 HP models from 1987-2006 4 Cylinder 100-125 HP models from 1988-2006 This item replaces OEM#...

MSRP:

Was:

Now: $45.80

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Red Rhino

New Red Rhino / Lower Main Bearing OEM # 30-43011T

This listing is for a New Red Rhino / Lower Main Bearing OEM # 30-43011T. This will work for the following models: Mercury/Mariner 3 Cylinder 70-90 HP models from 1987-2006 Mercury/Mariner 4 Cylinder 100-125 HP models from 1988-2006 SHIPPING:...

MSRP:

Was:

Now: $24.95

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Red Rhino

New Red Rhino / Mercury & Mariner 3/4 Cylinder 120° Thermostat OEM # 14586

This listing is for a New Red Rhino / Mercury & Mariner 3/4 Cylinder 120° Thermostat OEM # 14586 which is for the following models: 3 Cylinder 40-50 HP models from 1998-2007 3 Cylinder 50-60 HP models from 1991-1997 3 Cylinder 70-90 HP...

MSRP:

Was:

Now: $26.90

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Red Rhino

New Red Rhino / Johnson & Evinrude V4/V6 Cylinder 143° Thermostat OEM #75692

This listing is for a New Red Rhino / Johnson & Evinrude 143° Thermostat which is for the following models: Johnson/Evinrude V4 Crossflow (4 CYL) 88-140 HP models from 1978-1998 Johnson/Evinrude V6 Crossflow (6 CYL) 150-200 HP models from...

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Now: $22.95

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Red Rhino

New Red Rhino / Mercury & Mariner 1988-2005 100-125 HP 4-CYL Outboard Powerhead Gasket Kit OEM # 27-13461A99

This listing is for a New Aftermarket Mercury/Mariner 4 CYL 100-125 HP Powerhead Gasket Kit for models from 1988-2006. This item replaces OEM# 27-13461A99. SHIPPING: Additional fees for shipments to Alaska, Hawaii, US Territories, or International...

MSRP:

Was:

Now: $109.90

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