3100M Yard Machines Trimmer - Overview
Models starting with 3100M
Click on the best match to narrow your results.
Keep searches simple, eg. "belt" or "pump".

Trimmer Bump Head Knob
PartSelect #: PS9306452
Manufacturer #: 791-153066B
This genuine bump head knob assembly, sometimes known simply as the bump head, is black and approximately 2 inches long. Sold individually, this plastic part releases the cutting line. Over time, this...
$14.78
In Stock

Trimmer Primer and Hose Assembly
PartSelect #: PS10014772
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...
$27.42
In Stock

Trimmer Fuel Return Line
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 ...
$7.89
In Stock

Trimmer Inner Reel
PartSelect #: PS9119496
Manufacturer #: 753-1155
This spool is for line trimmers.
Spool houses the cutting line and fits inside the cutting head to cut grass and weeds.
Wear work gloves to protect your hands when installing this part.
$24.40
In Stock

Trimmer Switch
PartSelect #: PS10014381
Manufacturer #: 791-182405
This Switch is a black, plastic on/off switch for a trimmer. Installation of this manufacturer-certified switch is rated as "Easy" and requires a screwdriver, wrench set and socket set. Refer to your ...
$12.77
In Stock

Trimmer Spark Plug
PartSelect #: PS10014637
Manufacturer #: 791-610311B
This Spark Plug is inserted into the cylinder head and is rated as "Easy" to install. The spark plug ignites the air fuel mixture inside the combustion chamber. If the part doesn't work, or is missing...
$14.40
Special Order

Trimmer Air Cleaner Filter
PartSelect #: PS10013535
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...
$10.65
Special Order

Recoil Pulley Assembly (Includes Rope, Pulley and Inner Spring)
PartSelect #: PS9456763
Manufacturer #: 753-04823
This OEM Recoil Pulley Assembly includes Rope, Pulley and Inner Spring, and is a plastic kit which is rated "Medium" difficulty to install. Installation requires a screwdriver, pliers, socket set, and...
No Longer Available

Trimmer Retainer
PartSelect #: PS10014652
Manufacturer #: 791-610660
This retainer clip is a metal piece used to secure components and provide stability inside trimmers. It is an authentic manufacturer replacement clip which is positioned on the trimmer hub and designe...
$6.12
In Stock
Common Symptoms of models starting with 3100M
[Viewing 2 of 2]Will Not Start
Fixed by
these parts
these parts

Show All
Cutting line does not come out
Fixed by
these parts
these parts

Show All