Model # 3901 Official Makita plate joiner

Here are the diagrams and repair parts for Official Makita 3901 plate joiner, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

Click a diagram to see the parts shown on that diagram.
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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

ALL PARTS

Showing 10 of 77 parts |

#50

Plate joiner diagram

Screw

Part #911188-0

The manufacturer no longer makes this part, and there's no substitute part

#14

Plate joiner diagram

Brush cap

Part #643550-8

The manufacturer no longer makes this part, and there's no substitute part

#25

Plate joiner diagram

Ring

Part #962151-6

The manufacturer no longer makes this part, and there's no substitute part

#57

Plate joiner diagram

Spring

Part #231223-1

The manufacturer no longer makes this part, and there's no substitute part

#69

Plate joiner diagram

Strain relef

Part #687002-9

The manufacturer no longer makes this part, and there's no substitute part

#81

Plate joiner diagram

Flat washer

Part #253804-1

The manufacturer no longer makes this part, and there's no substitute part

#67

Plate joiner diagram

Screw

Part #911133-5

The manufacturer no longer makes this part, and there's no substitute part

#26

Plate joiner diagram

Bearing

Part #211106-1

The manufacturer no longer makes this part, and there's no substitute part

Plate joiner diagram

Ring

Part #213407-3

The manufacturer no longer makes this part, and there's no substitute part

Ball

Part #216001-0

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

View all

Why does my lawn mower vibrate a lot?

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Why does my lawn mower cut unevenly?

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Why does my lawn mower run rough?

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Why won't my lawn mower move?

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Why won't my lawn mower start?

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Why does my lawn mower stall?

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

View all

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…

Repair difficulty

Time required

60 minutes or less

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

Repair difficulty

Time required

15 minutes or less

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

Repair difficulty

Time required

15 minutes or less

Articles and videos for gas walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

View all

How to remove a lawn mower blade using a removal tool

Learn how a blade removal tool makes replacing the blade easier and safer…

How to sharpen a lawn mower blade

A dull blade leaves grass tips tattered. Sharpen it several times a season. Here's how.…

Lawn mower won't start troubleshooting video: can't pull recoil pull cord

A blade obstruction, bad recoil starter or locked-up engine can prevent the pull cord on your mower from working. See ho…

Model # 3901 Official Makita plate joiner

Here are the diagrams and repair parts for Official Makita 3901 plate joiner, as well as links to manuals and error code tables, if available.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

ALL PARTS

Showing 10 of 77 parts |

#50

Plate joiner diagram

Screw

Part #911188-0

The manufacturer no longer makes this part, and there's no substitute part

#14

Plate joiner diagram

Brush cap

Part #643550-8

The manufacturer no longer makes this part, and there's no substitute part

#25

Plate joiner diagram

Ring

Part #962151-6

The manufacturer no longer makes this part, and there's no substitute part

#57

Plate joiner diagram

Spring

Part #231223-1

The manufacturer no longer makes this part, and there's no substitute part

#69

Plate joiner diagram

Strain relef

Part #687002-9

The manufacturer no longer makes this part, and there's no substitute part

#81

Plate joiner diagram

Flat washer

Part #253804-1

The manufacturer no longer makes this part, and there's no substitute part

#67

Plate joiner diagram

Screw

Part #911133-5

The manufacturer no longer makes this part, and there's no substitute part

#26

Plate joiner diagram

Bearing

Part #211106-1

The manufacturer no longer makes this part, and there's no substitute part

Plate joiner diagram

Ring

Part #213407-3

The manufacturer no longer makes this part, and there's no substitute part

Ball

Part #216001-0

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

View all

Why does my lawn mower vibrate a lot?

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Why does my lawn mower cut unevenly?

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Why does my lawn mower run rough?

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Why won't my lawn mower move?

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Why won't my lawn mower start?

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Why does my lawn mower stall?

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

View all

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…

Repair difficulty

Time required

60 minutes or less

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

Repair difficulty

Time required

15 minutes or less

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

Repair difficulty

Time required

15 minutes or less

Articles and videos for gas walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

View all

Model # 3901 Official Makita plate joiner

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Symptoms for gas walk-behind mowers

Repair guides for gas walk-behind mowers

Articles and videos for gas walk-behind mowers

Model # 3901 Official Makita plate joiner

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Symptoms for gas walk-behind mowers

Repair guides for gas walk-behind mowers

Articles and videos for gas walk-behind mowers

Parts & More