41AD78BG900 MTD Trimmer - Overview
Sections of the 41AD78BG900
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Petrol Line Assembly
PartSelect #: PS9137021
Manufacturer #: 791-682039
This OEM fuel line and filter supply fuel from the tank of your engine to its carburetor. Made of clear plastic and sold individually, the fuel line may end up clogged or cracked, causing fuel to leak...
$25.53
In Stock
Primer and Hose Assembly
PartSelect #: PS9150700
Manufacturer #: 791-683974B
This manufacturer-certified primer and hose assembly includes the primer bulb, the primer bulb housing, and the fuel line. Any or all of the clear plastic parts in this assembly may experience wear an...
$34.87
In Stock
Line, Fuel Return
PartSelect #: PS9137685
Manufacturer #: 791-181086
The OEM fuel return line, or fuel return tube, is a clear plastic line that returns fuel from the primer bulb back into the fuel tank of your engine. You will know your fuel return line is in need of ...
$10.85
In Stock
Clutch Asm Small
PartSelect #: PS9303676
Manufacturer #: 753-05860
This clutch assembly is a genuine OEM replacement kit for outdoor lawn equipment. The kit includes the clutch drum, clutch, clutch washer, and screw. The clutch assembly transfers power from the engin...
$35.80
In Stock
Filter, Air Cleane
PartSelect #: PS9137666
Manufacturer #: 791-180350B
The manufacturer-certified Air Cleaner Filter is a grey foam filter used to prevent debris and dirt from entering the carburetor and engine, causing damage. Installation is rated as "Easy". This filte...
$13.86
In Stock
Screw, 8-32 X .312 P
PartSelect #: PS9138154
Manufacturer #: 791-182519
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...
$7.65
In Stock
Blade Retaining Kit (includes 34 & 42)
PartSelect #: PS9149209
Manufacturer #: 791-180014B
This is a genuine replacement part manufactured for use with trimmers. The kit includes the metal retaining washer which is used with the blade, and spool cutting heads. The kit also includes the nut ...
$16.88
In Stock
Line Trimmer Bump Feed Knob
PartSelect #: PS9137673
Manufacturer #: 791-180814B
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 ...
$27.58
Special Order
Gasket:crcase Cvr:ep
PartSelect #: PS9303813
Manufacturer #: 753-1208
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...
$23.60
In Stock
Clutch Drum Assembly
PartSelect #: PS9148774
Manufacturer #: 791-153592
The Clutch Drum is a silver, metal part used to transmit power from the engine to the drive shaft. Installation is rated "Medium" difficult and will require a screwdriver, wrench set, and torx wrenche...
$66.50
In Stock
Rope, Starter Pull
PartSelect #: PS9136825
Manufacturer #: 791-613103
This genuine OEM sourced item is specially designed for use with gas powered lawn and garden equipment. This rope is part of the recoil starter mechanism which allows user to pull-start the engine. On...
$15.70
In Stock
4-Tooth Blade
PartSelect #: PS9306444
Manufacturer #: 791-145873B
This is an original replacement part manufactured for use with trimmers. This coated steel blade is used to get more use out of trimmers. The strong blade is used to cut tall grass and brush when clea...
$59.64
In Stock
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Common Symptoms of the 41AD78BG900
[Viewing 2 of 2]Will Not Start
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Engine revs but trimmer head will not turn
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these parts
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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
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.
Parts Used:
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Steven from LOUISVILLE, KY
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Difficulty Level:Very Easy
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Total Repair Time:Less than 15 mins
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Tools:Socket set
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