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MTD
Gas Line Trimmer

Model # 41DDZ23C799 Official MTD gas line trimmer

Here are the diagrams and repair parts for Official MTD 41DDZ23C799 gas line trimmer, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 59 parts  |
Lawn & Garden Equipment Engine Spark Plug 753-06193
#7

Short block/fuel tank/air cleaner diagram

Lawn & garden equipment engine spark plug

Part #753-06193

Replaced by #753-06847

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Manufacturer substitution
This part replaces 753-06193. Substitute parts can look different from the original.
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Get free shipping with Automatic Reorder

$9.76 | 
9% OFF Phone Price : $10.76
In Stock
Ace Line Trimmer Carburetor (replaces 751-15112, 751-15112a, 753-08984) 753-06288
#17

Short block/fuel tank/air cleaner diagram

Ace line trimmer carburetor (replaces 751-15112, 751-15112a, 753-08984)

Part #753-06288

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$38.78 | 
13% OFF Phone Price : $44.78
In Stock
Line Trimmer Bump Feed Knob (replaces 731095821) 731-09582-1
#21

Drive shaft/shield/handle diagram

Line trimmer bump feed knob (replaces 731095821)

Part #731-09582-1

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$6.93 | 
13% OFF Phone Price : $7.93
In Stock
Ace Lawn & Garden Equipment Engine Fuel Tank (replaces 753-06856) 753-06250
#22

Short block/fuel tank/air cleaner diagram

Ace lawn & garden equipment engine fuel tank (replaces 753-06856)

Part #753-06250

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$29.58 | 
17% OFF Phone Price : $35.58
In Stock
Line Trimmer Spool Cover (replaces 79700256) 797-00256
#17

Drive shaft/shield/handle diagram

Line trimmer spool cover (replaces 79700256)

Part #797-00256

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This item is not returnable
$4.71 | 
18% OFF Phone Price : $5.71
In Stock
Line Trimmer Carburetor Insulator Assembly 753-06189
#14

Short block/fuel tank/air cleaner diagram

Line trimmer carburetor insulator assembly

Part #753-06189

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This item is not returnable
$10.22 | 
16% OFF Phone Price : $12.22
In Stock
Troybilt Lawn & Garden Equipment O-ring 753-06185
#16

Short block/fuel tank/air cleaner diagram

Troybilt lawn & garden equipment o-ring

Part #753-06185

This item is not returnable
$4.51 | 
18% OFF Phone Price : $5.51
In Stock
Line Trimmer Drive Shaft Coupler 753-08690
#9

Drive shaft/shield/handle diagram

Line trimmer drive shaft coupler

Part #753-08690

This item is not returnable
$13.19 | 
13% OFF Phone Price : $15.19
In Stock
Line Trimmer Throttle Housing Assembly 753-06790
#1

Drive shaft/shield/handle diagram

Line trimmer throttle housing assembly

Part #753-06790

This item is not returnable
$18.57 | 
10% OFF Phone Price : $20.57
In Stock
Line Trimmer 2-in-1 Spool, Outer (replaces 731125435) 731-12543-5
#15

Drive shaft/shield/handle diagram

Line trimmer 2-in-1 spool, outer (replaces 731125435)

Part #731-12543-5

This item is not returnable
$6.16 | 
14% OFF Phone Price : $7.16
In Stock

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

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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 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 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…

Read more
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 …

Read more
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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Top 10 electric lawn and garden tools for 2023

Top 10 electric lawn and garden tools for 2023

Learn about the top 10 must-have electric lawn & garden tools for 2023…

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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Grass line trimmer maintenance checklist

Grass line trimmer maintenance checklist

Find out how to take care of your grass line trimmer from the start of the trimming season until the end, with this help…

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