Gas Line Trimmer

Model # 41DDZ45C799 Official MTD gas line trimmer

Here are the diagrams and repair parts for Official MTD 41DDZ45C799 gas line trimmer, as well as links to manuals and error code tables, if available.

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41DDZ45C799 Line Trimmers
Line Trimmer Air Filter 751-12833

#NI01

All parts diagram

Line trimmer air filter

Part #751-12833

This item is not returnable
$3.29
23% OFF Phone Price : $4.29
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Yard Machines Lawn & Garden Equipment Engine Start/stop Switch (replaces 182405) 791-182405
#3

Drive shaft/handle/shield diagram

Yard machines lawn & garden equipment engine start/stop switch (replaces 182405)

Part #791-182405

$14.29
12% OFF Phone Price : $16.29
In Stock
Yard-man Lawn & Garden Equipment Clutch Assembly (replaces 791-182369) 753-05860
#17

Fuel tank/clutch diagram

Yard-man lawn & garden equipment clutch assembly (replaces 791-182369)

Part #753-05860

$26.75
18% OFF Phone Price : $32.75
In Stock
Mtd Line Trimmer Recoil Starter Assembly (replaces 75308668) 753-08668
#7

Shortblock diagram

Mtd line trimmer recoil starter assembly (replaces 75308668)

Part #753-08668

This item is not returnable
$31.09
16% OFF Phone Price : $37.09
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Line Trimmer Oil Plug (replaces 731-08920-9) 731-08920A-9
#2

Shortblock diagram

Line trimmer oil plug (replaces 731-08920-9)

Part #731-08920A-9

This item is not returnable
$4.04
20% OFF Phone Price : $5.04
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Line Trimmer Throttle Housing Assembly 753-06790
#1

Drive shaft/handle/shield diagram

Line trimmer throttle housing assembly

Part #753-06790

This item is not returnable
$18.57
10% OFF Phone Price : $20.57
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Oring 5850-83110
#11

Fuel tank/clutch diagram

Oring

Part #5850-83110

Replaced by #791-181751

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Manufacturer substitution
This part replaces 5850-83110. Substitute parts can look different from the original.
This item is not returnable
$6.86
13% OFF Phone Price : $7.86
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Ace Line Trimmer Engine Flywheel (replaces 753-06499) 753-06246
#22

Fuel tank/clutch diagram

Ace line trimmer engine flywheel (replaces 753-06499)

Part #753-06246

This item is not returnable
$29.51
17% OFF Phone Price : $35.51
In Stock
Line Trimmer Handlebar Clamp (replaces 791-612605) 731-08926
#7

Drive shaft/handle/shield diagram

Line trimmer handlebar clamp (replaces 791-612605)

Part #731-08926

This item is not returnable
$4.10
20% OFF Phone Price : $5.10
Back Order
Line Trimmer Drive Shaft Coupler 753-06859
#11

Drive shaft/handle/shield diagram

Line trimmer drive shaft coupler

Part #753-06859

Replaced by #753-1190

?
Manufacturer substitution
This part replaces 753-06859. Substitute parts can look different from the original.
This item is not returnable
$31.62
16% OFF Phone Price : $37.62
In Stock

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

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

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

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

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.

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…

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 …

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…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your line trimmers

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

Straight shaft vs curved shaft trimmers: What’s the difference?

Straight shaft vs curved shaft trimmers: What’s the difference?

Trying to decide between a straight shaft and curved shaft trimmer? This guide compares both designs to help you underst…

Can you cut grass with a weed whacker?

Can you cut grass with a weed whacker?

Wondering if your weed whacker can pick up the slack for your broken lawn mower? You're not alone. In this guide, we bre…