TB70SS Troy-Bilt Trimmer - Overview
Models starting with TB70SS
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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 Gear Box Assembly
PartSelect #: PS9118330
Manufacturer #: 753-06571
This gearbox is for line trimmers.
Gearbox contains the gears that turn the line spool for cutting.
No Longer Available

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

Throttle Trigger
PartSelect #: PS11839169
Manufacturer #: 753-04119
This plastic throttle trigger measures 2.5-inches in length and controls the power, speed, and intensity of the motor for your lawn equipment through the throttle cable and carburetor it is attached t...
No Longer Available

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
Common Symptoms of models starting with TB70SS
[Viewing 3 of 3]Engine revs but trimmer head will not turn
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Will Not Start
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Cutting line does not come out
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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
The gear ssembley was not turning
I ordered the gear assembley and the boom assembley and I stalled them.
Parts Used:
-
Ronald from TOOL, TX
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Difficulty Level:Really Easy
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Total Repair Time:30 - 60 mins
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Tools:Screw drivers
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