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Makita
Gas Line Trimmer

Model # EH450 Official Makita hedge trimmer

Here are the diagrams and repair parts for Official Makita EH450 hedge trimmer, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 131 parts  |
Filter 523-65039-00

#87

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Filter

Part #523-65039-00

$8.23
In Stock
Spark Plug Bm4a 065-01497-50

#100

All parts diagram

Spark plug bm4a

Part #065-01497-50

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

S.h. Bolt M5 X 20 (2) 011-90597-30

#52

All parts diagram

S.h. bolt m5 x 20 (2)

Part #011-90597-30

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

Leaf Spring 003-02300-4A

#31

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Leaf spring

Part #003-02300-4A

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

Washer 003-10080-00
Washer

Part #003-10080-00

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

Crank Case Assembly (inc. Fig 50, 51) 519-10060-00

#47

All parts diagram

Crank case assembly (inc. fig 50, 51)

Part #519-10060-00

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

Set Screw 519-50020-60

#75

All parts diagram

Set screw

Part #519-50020-60

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

Upper And Lower Blade 287-10900-2A
Upper and lower blade

Part #287-10900-2A

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

Hex Bolt M5 X 12 (6) 054-05012-0K

#23

All parts diagram

Hex bolt m5 x 12 (6)

Part #054-05012-0K

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

Pump Diaphragm 524-60010-40

#124

All parts diagram

Pump diaphragm

Part #524-60010-40

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

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

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Why does my gas line trimmer run rough?

Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…

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Why won't my gas line trimmer start?

Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings…

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Why does my gas line trimmer leak gas?

Main causes: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank…

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Repair guides for gas line trimmers

These step-by-step repair guides will help you safely fix what’s broken on your grass line trimmer.

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How to rebuild a line trimmer carburetor

How to rebuild a line trimmer carburetor

If the line trimmer engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow…

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Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer carburetor

How to replace a line trimmer carburetor

If the line trimmer won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these …

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Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer fuel line

How to replace a line trimmer fuel line

The fuel line on a grass line trimmer deteriorates with time and eventually can split or crack. You can replace it yours…

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Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas line trimmers

Use the advice and tips in these articles and videos to get the most out of your grass line trimmer.

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Solving 3 common problems with line trimmer cutting lines

Solving 3 common problems with line trimmer cutting lines

Follow these tips to prevent the cutting line on your grass line trimmer from breaking or feeding out too much or too li…

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How to replace a line trimmer fuel line video

How to replace a line trimmer fuel line video

Follow the steps in this video to replace a leaking fuel line in a line trimmer.…

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How to tune up a grass line trimmer video

How to tune up a grass line trimmer video

Tune of your grass line trimmer, following the steps in this video.…

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