Models > 41AD78BG900

41AD78BG900 MTD Trimmer

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This is a primer and hose assembly, and it is used on various lawn equipment. The assembly comes with two parts. The first is the hose which is almost 5 inches long, and less than a 1/4 inch thick. Th...
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This fuel line filters the fuel in the tank as it pushes into the carburetor by the primer bulb. If your carburetor is not getting fuel, ports get clogged, or the fuel line is leaking, then replacing ...
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This is a fuel return line, and it is used with various outdoor lawn equipment. Fuel travels through the return line into the carburetor, and from the primer bulb/pump into the fuel system. The line r...
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This air filter fits a variety of power tools. The filter keeps dirt, debris and other small particles from entering the carburetor and engine, which can cause internal engine damage. If your filter i...
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Genuine OEM replacement kit used on Gas Trimmers and Tillers. This part includes: Clutch Drum, Clutch, Clutch Washer and the Screw which has a left-handed thread. A centrifugal clutch is a part that u...
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This is a genuine OEM replacement part. it is sold individually. The Bump Head Knob Assembly is the part of the trimmer that you bump on the ground to advance the cutting line from the spool. Because ...
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This is an original part from Craftsman for use with Trimmers and Cultivators. The carburetor mount gasket seals the space between the carburetor mount and the engine. The most common reasons for repl...
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This is a genuine anti-rotation screw from the Ryobi manufacturer. The metal screw is compatible with many lawn and garden trimmers. This item works to help secure the clutch cover assembly. This part...
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This is a genuine OEM sourced replacement housing screw designed for Ryobi and Troy-Bilt trimmers and blowers. It is commonly utilized to secure the starter housing. Please note, this metal housing sc...
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$14.03
The spring fits between the outer spool & eyelet assembly and the inner reel. It is a genuine item that is supplied by the original equipment manufacturer for use with trimmers made by Ryobi, Troy-Bil...
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Nut
$14.96
This is an authentic part which is sourced from original equipment manufacturer. It is generally used on handheld trimmers/edgers. This nut is designed to secure cutting blade to the trimmer shaft. Pl...
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The inner reel goes between the bump head knob and the outer spool & eyelet. It is made of plastic and is sold individually. The reel is a genuine replacement part for trimmers made by MTD, Ryobi, Tro...
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Common Problems and Symptoms for 41AD78BG900

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Will Not Start
Fixed by these parts
Fixing Fixing Fixing
How to fix it
Engine revs but trimmer head will not turn
Fixed by these parts
Fixing
How to fix it
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Customer:
Steven from LOUISVILLE, KY
Parts Used:
791-180014B
Difficulty Level:
Very Easy
Total Repair Time:
Less than 15 mins
Tools:
Socket set
Lost the retainer for my brush cutter on my Troy-bilt brush cutter
Parts fit perfectly. Removed the string trimmer and installed the brush blade. Tightened with an 11mm socket and went to work.
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