21DS122R799 MTD Tiller - Overview
Models starting with 21DS122R799
Click on the best match to narrow your results.
Keep searches simple, eg. "belt" or "pump".

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 Small Clutch Assembly
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...
$28.58
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

Click Pin
PartSelect #: PS9456500
Manufacturer #: 753-04070
This Click Pin (aka a Lynch Pin) is a metal, gold, individually sold pin which can be installed with a screwdriver and socket set. It attaches to the gearbox assembly and will need to be replaced if m...
No Longer Available
Common Symptoms of models starting with 21DS122R799
[Viewing 1 of 1]Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
clogged carburetor
-
Rainer from LANCASTER, OH
-
Difficulty Level:Very Easy
-
Total Repair Time:15 - 30 mins
-
Tools:Screw drivers
4 of 9 people
found this instruction helpful.
Was this instruction helpful to you?
Thank you for voting!