Models > TB70SS

TB70SS Troy-Bilt Trimmer - Overview

Models starting with TB70SS

Keep searches simple, eg. "belt" or "pump".
Fuel Return Line – Part Number: 791-181086
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 ...
$6.06
  In Stock
Primer and Hose Assembly – Part Number: 791-683974B
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...
$19.48
  In Stock
Bump Head Knob Assembly – Part Number: 791-153066B
Bump Head Knob Assembly
★★★★★
★★★★★
(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...
$12.20
  In Stock
Gear Box Assembly – Part Number: 753-06571
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.
$39.10
  In Stock
Boom Assembly, Lower – Part Number: 753-08164
Boom Assembly, Lower
★★★★★
★★★★★
(3)
PartSelect #: PS10009815
Manufacturer #: 753-08164
$19.73
  In Stock
Clutch Assembly, Small – Part Number: 753-05860
Clutch Assembly, Small
★★★★★
★★★★★
(2)
PartSelect #: PS9303676
Manufacturer #: 753-05860
$21.99
  In Stock
Line Trimmer Spool – Part Number: 753-1155
Line Trimmer Spool
★★★★★
★★★★★
(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.
$20.70
  In Stock
Spark Plug – Part Number: 791-610311B
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...
$12.93
  In Stock
Air Cleaner Filter – Part Number: 791-180350B
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...
$9.03
  On Order
Switch – Part Number: 791-182405
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 ...
$9.07
  In Stock
Throttle Trigger – Part Number: 753-04119
Throttle Trigger
PartSelect #: PS11839169
Manufacturer #: 753-04119
$6.42
  In Stock
Anti-Rotation Screw – Part Number: 791-182519
Anti-Rotation Screw
PartSelect #: PS10014468
Manufacturer #: 791-182519
$4.26
  In Stock

Common Symptoms of models starting with TB70SS

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Engine revs but trimmer head will not turn
Fixed by
these parts
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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 Gear Box Assembly
  • Ronald from TOOL, TX
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
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