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TB70SS Troy-Bilt Trimmer - Overview

Models starting with TB70SS

Keep searches simple, eg. "belt" or "pump".
Trimmer Bump Head Knob – Part Number: 791-153066B
Trimmer Bump Head Knob
★★★★★
★★★★★
(2)
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
Order within the next 49 mins and your part ships today!
Trimmer Primer and Hose Assembly – Part Number: 791-683974B
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
Order within the next 49 mins and your part ships today!
Trimmer Fuel Return Line – Part Number: 791-181086
Trimmer Fuel Return Line
★★★★★
★★★★★
(2)
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
Order within the next 49 mins and your part ships today!
Trimmer Gear Box Assembly – Part Number: 753-06571
Trimmer Gear Box Assembly
★★★★★
★★★★★
(2)
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 – Part Number: 753-05860
Trimmer Small Clutch Assembly
★★★★★
★★★★★
(2)
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
Order within the next 49 mins and your part ships today!
Throttle Trigger – Part Number: 753-04119
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 – Part Number: 753-1155
Trimmer Inner Reel
★★★★★
★★★★★
(1)
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
Order within the next 49 mins and your part ships today!
Boom Assembly, Lower – Part Number: 753-08164
Boom Assembly, Lower
★★★★★
★★★★★
(3)
PartSelect #: PS10009815
Manufacturer #: 753-08164
  No Longer Available
Trimmer Switch – Part Number: 791-182405
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
Order within the next 49 mins and your part ships today!
Trimmer Spark Plug – Part Number: 791-610311B
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 – Part Number: 791-180350B
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
Trimmer Anti-Rotation Screw – Part Number: 791-182519
Trimmer Anti-Rotation Screw
PartSelect #: PS10014468
Manufacturer #: 791-182519
$5.54
  In Stock
Order within the next 49 mins and your part ships today!

Common Symptoms of models starting with TB70SS

[Viewing 3 of 3]
Engine revs but trimmer head will not turn
Fixed by
these parts
Fixing
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Will Not Start
Fixed by
these parts
Fixing
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Cutting line does not come out
Fixed by
these parts
Fixing
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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:
Boom Assembly, Lower Trimmer Gear Box Assembly
  • Ronald from TOOL, TX
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
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