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MTD
Gas Line Trimmer

Model # 41BDZ20C799 Official MTD gas trimmer

Here are the diagrams and repair parts for Official MTD 41BDZ20C799 gas trimmer, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 56 parts  |
Lawn & Garden Equipment Engine Spark Plug 753-06193
#18

Starter housing/fuel tank diagram

Lawn & garden equipment engine spark plug

Part #753-06193

Replaced by #753-06847

?
Manufacturer substitution
This part replaces 753-06193. Substitute parts can look different from the original.
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$9.76 | 
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In Stock
Line Trimmer Fuel Tank Assembly (replaces 753-06921) 753-06183
#14

Starter housing/fuel tank diagram

Line trimmer fuel tank assembly (replaces 753-06921)

Part #753-06183

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$18.93 | 
10% OFF Phone Price : $20.93
In Stock
Line Trimmer Carburetor (replaces 753-06423, 753-08501) 753-06190
#24

Starter housing/fuel tank diagram

Line trimmer carburetor (replaces 753-06423, 753-08501)

Part #753-06190

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$35.90 | 
14% OFF Phone Price : $41.90
In Stock
Lawn & Garden Equipment Engine Carburetor Mount Gasket (replaces 721-04381) 753-06253
#32

Starter housing/fuel tank diagram

Lawn & garden equipment engine carburetor mount gasket (replaces 721-04381)

Part #753-06253

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This item is not returnable
$4.60 | 
18% OFF Phone Price : $5.60
In Stock
Line Trimmer Cutting Head Cover 753-06765
#19

Drive shaft/handle/shield diagram

Line trimmer cutting head cover

Part #753-06765

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$8.27 | 
11% OFF Phone Price : $9.27
In Stock
Line Trimmer Cutting Line 753-06767

#NI01

All parts diagram

Line trimmer cutting line

Part #753-06767

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$13.05 | 
13% OFF Phone Price : $15.05
In Stock
Line Trimmer Carburetor Insulator Assembly 753-06189
#21

Starter housing/fuel tank diagram

Line trimmer carburetor insulator assembly

Part #753-06189

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This item is not returnable
$10.22 | 
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In Stock
Yard Machines Lawn & Garden Equipment Engine Start/stop Switch (replaces 182405) 791-182405
#2

Drive shaft/handle/shield diagram

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

Part #791-182405

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$14.29 | 
12% OFF Phone Price : $16.29
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Yard-man Lawn & Garden Equipment Clutch Assembly (replaces 791-182369) 753-05860
#9

Starter housing/fuel tank diagram

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

Part #753-05860

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$25.97 | 
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Troybilt Lawn & Garden Equipment O-ring 753-06185
#23

Starter housing/fuel tank 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

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…

Read more
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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